EPA
906/
1980.1
        United States        Region 6
        Environmental Protection    1201 Etm :
        Agency          Dallas, Tx. 75270
        Water
•           Environmental Protection    1201 Etm Street       May, I960

I
"wEPA    Environmental
I           Impact Statement     Final

.j           Wastewater Treatment
1           Facilities
            Northeast El Paso,
            Texas

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^H  vju-
•  ^                                            FINAL
                                     ENVIRONMENTAL IMPACT STATEMENT


                                                  FOR
 * sT"                              WASTEWATER TREATMENT FACILITIES
   -R-                                   NORTHEAST EL PASO, TEXAS

 I

                                    •ENVIRONMENTAL PROTECTION AGENCY
                                                REGION 6
                                             DALLAS, TEXAS

 I                                              MAY 1980



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                                  US. Environnrcnt.,1  Promotion  *«««,
                                  L.lbr,.r-v.  Roca 2104  PM-2H.4
I                                  -J01  M Strest,  S.W.
                                  fasiilngtco. DC   80460



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J
ADLENE HARRISON
REGIONAL ADMINISTRATOR

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•                  The Final EIS contains only pages or sections which have been revised
           in response to comments received regarding the Draft EIS.   Where portions of a
|         page or table have been revised, the section or paragraphs  containing the
_         changes are noted by marks in the margin.   Where the entire page has  been
B         largely rewritten, or the page is entirely new,  the  page number  is underlined.
•         The following pages contain no changes,  but are included for the sake of
           continuity:   1-1;  5-30;  7-2;  Appendix-23.
I
                    The Table of Contents identifies  all pages  which have been changed.
I         All pages in the Draft EIS which are not reproduced  here are incorporated into
•         the Final EIS by reference.

I                  The term wetland is  no longer used as the principal term for
           describing the Northeast ponds,  since only the overflow areas provide a wetland
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environment.  The term wildlife habitat is used to characterize the entire
ponding area ecosystem.

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NORTHEAST EL PASO	SUMMARY	FINAL EI5


                                   1.   SUMMARY


    The El Paso Water Utilities  Public Service  Board (PSB)  owns and operates a
wastewater treatment  plant in Northeast  El  Paso,  Texas.  Presently  about 5.5
million gallons  per  day (mgd) of sewage is treated in  three  oxidation ponds.
Inflow will increase to  10 mgd by the year  2000.   Substantial overflow occurs
onto a dammed  area east of the  ponds,  and then onto low-lying portions of the
open desert which are within  the Fort  Bliss  Military Reservation.   About 3 mgd
of partially  treated  sewage  percolates  to  the  ground water beneath  the site,
where it is presumed to  cause pollution  of the  Hueco Bolson  aquifer,  El Paso's
most important source of drinking water.  The ponds and overflow areas provide
a wetland environment which is an important  site for waterfowl and shorebirds,
including the endangered peregrine  falcon and rare  species  such as the prairie
falcon, olivaceous  cormorant, and  masked duck.  The  ponds  and overflow area
are  also  a source  of insect-breeding.   The site is  considered an attractive
nuisance, because  of frequent trespass and unauthorized  hunting  on military
and PSB land.

    Analysis of  water supplies available to the El  Paso region indicates that
agricultural  water users  now experience shortages.   The water  table  in the
Hueco Bolson is  being lowered at the  rate of two to three feet per year.  Even
with implementation  of  effective  water  conservation  measures,  municipal sup-
plies  are  expected to  become inadequate in the first  half of the  next cen-
tury.  The  few new water supplies which  may be available to  the PSB are gen-
erally  limited  in  quantity  and/or  quality, and  expensive.   Wastewater col-
lected at the Northeast  treatment plant is considered a resource  which can be
recycled to  meet the agricultural and/or municipal  shortages.  Although there
are  many possible  alternatives for recycling wastewater in  Northeast El Paso,
two  options  exist  which clearly  define  the  basic choice which  is  to be made.
The  first  alternative  is  to construct  a   secondary  treatment plant  at  the
Northeast  site,  and  build a  pipeline to the  Rio  Grande,  where  most  of the
effluent would  be discharged to the  benefit  of downstream  irrigators.  Some
effluent could be  used  by golf  courses  along the pipeline,  and a  second pipe-
line could  be built  to deliver  treated water  to  a  power  plant.   A typical
water  and  sewer  bill  would   increase  by $0.85  per  month,  compared  to 1978
levels.   A  significant  drawback  to  this  option   is  that  under  existing
contracts, El Paso  would receive no water rights in return  for augmenting the
agricultural water supply.

    The second alternative would involve construction of a  very sophisticated
plant  to  produce water  which meets all  existing  and proposed  drinking water
standards.  Most of  the reclaimed water  would  be injected  into the Hueco Bol-
son,  where it  would comingle with  natural ground  water  and eventually  be
withdrawn  into  the municipal water  system.    As  with  the  first  option,  a
portion of the reclaimed water would  be delivered to  a power  plant  for use as
cooling  water.    The   recharge   project  would  serve  as  a  prototype  for
larger-scale recycling  which  could eventually provide 50 percent  of El Paso's
municipal  water  needs.   Major drawbacks to the recharge alternative include
                                       1-1

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  NORTHEAST EL PASO
SUMMARY
FINAL EIS
  high  direct costs, complex  operation,  and high  rates  of energy  and chemical
  use.   A typical water and  sewer  bill would increase by  $2.11  per month,  com-
  pared  to 1978 levels.

      A  recharge  project would cause  a 1.5 percent increase  in  the salinity of
  the water  within the  Hueco  Bolson,  and a  possible  build-up of  toxic organic
  compounds.   There  is inconclusive evidence that  such compounds could increase
  cancer  or other  diseases.   Many health  authorities cite this uncertain risk as
  reason  to  oppose a recharge project which is to  be implemented  at this time.
  However, most public  policies recommend that  a risk-benefit assessment be used
  as  the basis for  determining whether or not the  health  impacts  of a recharge
  project are  acceptable when  compared to the benefits of  the project, and when
  compared  to the  risks and  benefits of other  options (including other water
  supply  options).   Such an  assessment  suggests  that  the  health   risks  of the
  alternative  would  be minimized because:   there is no  industrial  waste in the
  Northeast El Paso  sewage;  the treatment process is expected  to be very effec-
  tive  and  reliable;  the  injected  water would  be diluted  by a ratio  of 20:1
  during  its  passage through  the  aquifer.   Preliminary  testing  indicates that
  the diluted  water  is  probably not carcinogenic.   Assuming that some  trace con-
  taminants would  be introduced in  the water supply as  the result  of the pro-
  ject,  it  is estimated that  the  increased  health  risk  to citizens  of El Paso
  would be between zero and  one cancer death per year.   This  increase would not
  be  detectable.   The  water  supply obtained is  lower  in cost than other major
  supplies available to the City.   Because  of the  municipal  water-supply bene-
  fits, public input  during  preparation of the  Environmenal Impact Statement has
  indicated that the risks are  acceptable.

jThe recharge alternative  would  eliminate  the existing  wildlife habitat.
  Public  input has  been received  in   favor  and in  opposition to  this action.
  Support for  the  wetland is  based  on  the absence of comparable wildlife habitat
  in  El  Paso  County,  and  on  the  fundamental environmental  benefits  associated
  with maintaining diverse  wildlife populations in  the face  of man's  increasing
  dominance of ecosystems.   Positions  which  accept the  elimination of the wet-
  land are in  agreement with  those  who support  the habitat, but hold that in the
  specific case being considered the  environmental benefits of  using water for
  the municipal supply  outweigh the benefits of  using water for preservation of
  habitat.  It is felt  that  any habitat preserved  at  the Northeast  site would
  remain an attractive nuisance and provide no recreation benefits.

      The U.S. Environmental  Protection Agency  considered  three   alternatives:
  to  fund the applicant's preferred alternative,  by providing about 55 percent
  of design and construction  costs;  to fund an alternative or modified project;
  or  to  deny  any  additional  construction grants.  The  agency  is  proposing to
  fund  the  applicants'  preferred  alternatives,  without  requiring  retention of
  wildlife habitat at the  site.  The  agency  has  determined that in the specific
  case   under   consideration,  mitigation   of   the  wildlife  impacts  is  not
  practicable.
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NORTHEAST EL PASO CONTENTS

2. CONTENTS



3. INTRODUCTION

4. PURPOSE AND NEED
4.1.1 Problems which need to be addressed
4.1.2 Purpose of EIS
5. DESCRIPTION AND EVALUATION OF ALTERNATIVES

A. ALTERNATIVES CONSIDERED BY APPLICANT
5.1 ALTERNATIVES WHICH DO NOT INVOLVE REUSE
5.1.1 No action alternative
5.1.2 Total containment
5.2 REUSE ALTERNATIVES
5.2.1 Discharge to Rio Grande
5.2.2 Agricultural reuse
5.2.3 Recharge
5.2.4 Direct recycling
5.2.5 Summary
5.3 ANALYSIS OF SPECIFIC TREATMENT AND REUSE
ALTERNATIVES
5.3.1 Alternatives which do not involve recharge
5.3.2 Alternatives which involve recharge
5.3.3 Comparison of discharge and recharge
alternatives
5.4 ALTERNATIVE COMPONENTS OF A RECHARGE PROJECT
5.4.1 wildlife habitat (wetland)
5.4.2 Recharge method
5.4.3 Treatment alternatives
5.4.4 Other components of a recharge project
B. ALTERNATIVES AVAILABLE TO EPA






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a. All pages which contain changes from the Draft EIS are listed.
if changes relate to Tables, not text, the revisions are
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listed on



FINAL EIS



Revisions ^!

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p. 5-24
through
p. 5-32
5-32, 5-33

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NORTHEAST EL PASO
                                    CONTENTS
                                                             FINAL EIS
6. ENVIRONMENTAL CONSEQUENCES
  6.1
     .1
   .2.2
6.2
6.2.
6,
6.2.3
6.2.4
6.2.5
6.2.6
PHYSICAL ENVIRONMENT

WATER RESOURCES
Existing conditions, surface water
Existing conditions, ground water
Summary of water availability and use
Water and wastewater utilities
Water supply alternatives
Impacts of Hueco Bolson Recharge Project
  6.3    AIR AND SOUND QUALITY
  6.3.1  Existing conditions
  6.3.2  Impacts of HBRP

  6.4    BIOLOGY
  6.4.1  Existing conditions
  6.4.2  Impacts of HBRP

  6.5    ARCHEOLOGY/HISTORY
  6.5.1  Existing conditions
  6.5.2  Impacts of HBRP

  6.6    SOCIQECQNOMICS AND LAND USE
  6.6.1  Existing conditions
  6.6.2  Impacts of HBRP
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6-39

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6-51

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6-55

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6-58
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6-62
                                                                Revisions
                                                                  6-2
6-21
6-22

6-34
6-40, 6-48
                                                                  Entire
                                                                  section
                                                                  revised
                                                                  6-57,  6-58
                                                                  6-62
  6.7    ENERGY AND OTHER RESOURCES                      6-63
  6.7.1  Existing conditions                             6-63
  6.7 2  Resource use and waste production from the HBRP 6-63

  6.8    PUBLIC HEALTH CONSIDERATIONS;  CRITERIA FOR      6-65
         EVALUATION OF HBRP
  6.8.1  Drinking water and health                       6-66
  6.8.2  Risk-assessment criteria                        6-71
  6.8.3  Health impacts of the HBRP                      6-74
  6.8.4  Summary                                         6-76

  6.9    UNAVOIDABLE ADVERSE IMPACTS,  SHORT-TERM USE     6-77
         VERSUS LONG-TERM PRODUCTIVITY,  AND IRREVERS-
         IBLE  AND IRRETRIEVABLE RESOURCE COMMITMENTS
  6.9.1  Adverse impacts which cannot  be avoided         6-77
  6.9.2  Short-term uses of the environment versus        6-77
         long-term productivity
  6.9.3  Irreversible and irretrievable commitments of   6-77
         resources
                                      2=2.
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NORTHEAST EL PASO
                                      CONTENTS
  FINAL EIS
                                                         7- 1

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                                                         7- 3
                                                         7- 5
                                                         7- 6


                                                         7- 10

                                                          a/

                                                          b/
7.  COORDINATION

  7.1    ISSUES RAISED DURING THE PLANNING PROCESS

  7.2    REVIEW OF DRAFT EIS
  7.2.1  input to the final EIS and facilities plan
  7.2.2  Issues raised by public comments


  7.3    EIS PREPARERS AND REVIEWERS

APPENDICES


REFERENCES

INDEX


                                LIST OF  FIGURES
Figure 3-1  Location map - El Paso region, Texas & New Mexico.
Figure 4-1  Planning area and wastewater facilities in Northeast
            El Paso.
Figure 5-1  River discharge, industrial reuse, recreational
            reuse & wetlands.
Figure 5-2  Alternative 3, treatment plant process energy and
            chemical usage.
Figure 5-3  Reuse opportunities of the alternatives.
Figure 5-4  Recharge and industrial reuse, one water type.
Figure 5-5  Alternative 6, treatment plant process energy and
            chemical usage.
Figure 5-6  Layout  of proposed facilities at Northeast wastewater
            treatment plant site.
Figure 6-1  Natural regions and soils.
Figure 6-2  Topographic features of the El Paso region.
Figure 6-3  Flood and drainage problem areas-El Paso.
Figure 6-4  Ground water occurrence, mesa area of Hueco Bolson.
Figure 6-5  Approximate water level contours in the Hueco Bolson,
            1903.
                                                                  Revisions
Entire
section
revised
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                                                                       6-10
                                                                       6-13

                                                                       6-15
a.  Appendix pages 24 through 49 have been added to the Final EIS.
b.  Page "REFERENCES-8" lists references cited in the Final EIS which were not
included in the Draft EIS.
                                      2-3

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NORTHEAST EL PASO CONTENTS


Figure 6-6 Approximate thickness of Hueco Bolson deposits
saturated with fresh water, 1973.
Figure 6-7 Decline in water levels in the Hueco Bolson,
1903-73; based on digital model (Meyer, 1976).
Figure 6-8 Water table contours in the Hueco Bolson, January,
1978.
Figure 6-9 Diagram of water supply system.
Figure 6-10 Cumulative demand for and supply of water resources
in the City of El Paso, 1980-2000.
Figure 6-11 Projected water table surface after 20 years of
recharge in four wells sketched from PSB, 1979.
Figure 6-12 Designated nonattainment area for total suspended
particles (TSP) .
Figure 6-13 Census tracts and population trends, El Paso, Texas.
Figure 6-14 El Paso - Juarez metropolitan area.

LIST OF TABLES

Table 4-1. Past and projected wastewater load at Northeast plant.
Table 5-1. Summary of reuse alternatives which involve relatively
small amounts of water.
Table 5-2. Analysis of alternatives which do not involve recharge
to the Hueco Bolson.
Table 5-3. Evaluation of alternatives which involve recharge
to the Hueco Bolson.
Table 5-4. Comparison of discharge alternative (Case 3) to
recharge alternative (Case 6).
Table 5-5. Quality of water reclaimed by Hueco Bolson Recharge
Project.
Table 5-6. Evaluation of alternatives to mitigate wildlife
impacts.
Table 6-1. Natural regions-El Paso area.
Table 6-2. Changes in surface water availability in the El Paso
region.
Table 6-3. Water quality of the Rio Grande near El Paso, Texas:
data and standards.
Table 6-4. Generalized, simplified water budget for the El Paso
region, including portions of Chihuahua and
New Mexico.


a. An asterisk (*) is used to identify Tables which contain changes
compared to the Draft EIS.
,.A


FINAL EIS

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6-44

6-49
6-59
6-61


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                                                                     Page

Table 6-5.  Water demand.                                            6-25*
Table 6-6.  Chemical analysis of treated municipal water, El Paso,
                   Texas.                                            6-27
Table 6-7.  Quality of water in the ponds at the Northeast El Paso
                   treatment plant.                                  6-30
Table 6-8.  Alternatives for providing long-term water resources for
                   the El Paso region.    "                          6-32*
Table 6-9.  Value of water resources in El Paso.                     6-38
Table 6-10. Simulation of short-term effects of a simplified HBRP.   6-41
Table 6-11. Application of model described in Appendix G.            6-43
Table 6-12. Amount of injected reclaimed wastewater which will be
                   reinjected into the HBRP.                         6-45
Table 6-13. Changes in Hueco Bolson water quality resulting from
                   HBRP.                                             6-46
Table 6-14. Ambient air quality standards.                           6-50
Table 6-15. Short-term (construction) impacts of HBRP.               6-52
Table 6-16. List of birds recorded at Ft. Bliss (Northeast
                   El Paso) sewage ponds.                            6-53*
Table 6-17. Resource use and waste production associated with
                   Hueco Bolson Recharge Project.                    6-64
Table 6-18. Summary of factors to be considered in evaluating the
                   health effects of common drinking water
                   constituents.                                     6-68
Table 6-19. Possible criteria for use in evaluating a reclamation/
                   recharge project.                                 6-72
Table 6-20. Preliminary evaluation of Hueco Bolson Recharge
                   Project.                                          6-75*
Table 7-1.  EIS preparers.                                            7-11 i/


a.  Table 7-1, which was on p.  7-6 of EIS, would be moved to p.  7-11 in the
Final.  As the table itself is unchanged, it is not reprinted in the Final EIS.
                                      2-5

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  NORTHEAST EL PASO	INTRODUCTION	FINAL EI5


      Safe Drinking  Water  Act.   Public Law 93-523,  enacted  in 1974, is designed
  to  achieve  uniform safety and quality  of  drinking water in the United States.
  The  primary objective of the law  is  to  identify contaminants  and establish
  maximum  contaminant levels acceptable  in drinking  water.   Related provisions
  provide  for:   protection of important  underground aquifers;  the  regulation of
  underground injection wells;  and funding to support the development and demon-
  stration  of projects  concerning reclamation,  recycling and  reuse  of  waste-
  waters for drinking purposes.

      National Environmental  Policy Act  (NEPA).  NEPA  is  Public Law 91-190, and
  was sighed^.n  1969.Among  its requirements,  the Act provides that an Environ-
  mental Impact  Statement  (EIS)  be prepared by Federal agencies which propose to
  fund  an  action  which  could have  significant environmental impacts.  The EIS
  must  provide  information  to be used  in  Federal  decision-making.   Section
  102(2)(c) of NEPA  requires the EIS to consider:

      a)   the environmental impact of the proposed action;
      b)   any adverse environmental  effects which cannot be  avoided should the
           project be implemented;
      c)   alternatives to  the proposed action;
      d)   the relationship between local  short-term effects on  man's environ-
           ment  and  the  maintenance and  enhancement of  long-term productivity;
           and
      e)   any  irreversible  and  irretrievable commitments  of resources  which
           would be  involved due to the implementation of the proposed action.

      Section 511  of the Clean  Water Act  requires an EIS for EPA actions such as
  the  awarding  of  grants  for  the  construction  of   publicly-owned wastewater
  treatment  facilities.   This  EIS describes  the  consequences  of  actions  which
  may be  taken  by  PSB,  and  funded by EPA,  regarding wastewater  facilities in
  Northeast El Paso.

|Executive  Order 11990.  E.O. 11990  directs federal  agencies  not to  under-
  take  or  provide  assistance for  new  construction  located  in wetlands  unless
.  there is no practicable  alternative and  all  practicable  measures  have  been
I	included to minimize harm to wetlands.
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NORTHEAST EL PASO                 PURPOSE AND  NEED                     FINAL EI5
                              4.  PURPOSE AND NEED

A. 1.1  Problems Which Need to be Addressed

    The  Public Service  Board  (PSB) operates wastewater  collection and  treat-
ment facilities which serve  Northeast  El Paso.   Figure 4-1 indicates  the serv-
ice  area of  the  collection system  and the location  of  the present  treatment
plant.   The  plant now consists of  oxidation and evaporation ponds which  lack
adequate  capacity for  serving existing  and future  populations.   At  present,
partially  treated wastewater  from  the  plant  overflows  onto  Federal  lands,
causing  nuisance  problems  and  percolation of contaminants to the ground  water;
refer  to Section 6.2.2  for a  discussion  of  these  problems.   The wastewater
provides  benefits by  supporting  a  rare  wetland  environment  which  provides
feeding,  nesting,  and breeding habitats  for a  large number  of bird  species,
especially waterfowl;  at least one endangered species utilizes the area.   It
is  projected  that  future wasteloads  will  reach  10  million gallons  per  day
(mgd)  at the  facility by  about the year 2000, which will aggravate the over-
flow and percolation problems (Table 4-1).

    The  El Paso  region is facing increasing problems of water  shortages.   Ir-
rigation  water is already in  short supply.   The  major  source  of  low-cost,
goodquality municipal water,  the  Hueco Bolson, will  be exhausted in the first
half of  the  next  century,  unless  new water sources  are developed.  The  North-
east Sewage  Treatment Plant  is located  within  the main  recharge  area  of  the
Hueco Bolson.  Given the need  to upgrade wastewater treatment in the area,  and
the desire to  plan ahead against  foreseeable water shortages, there is consid-
erable interest in reclaiming  wastewater in Northeast El  Paso by treating  ef-
fluent to  a  level which would permit  reuse.  The wastewater would thus  become
part of  the  new water  supply for  El Paso.   Such reuse of  wastewater is  a  gen-
eral  goal  of  the  Environmental   Protection  Agency  (EPA),  and  a   specific
objective of PSB.

4.1.2  Purpose of EI5

    PSB  has  obtained  a  grant from  EPA  to plan  for  the upgrading of the  North-
east Sewage  Treatment  Plant.  Parkhill,  Smith  and Cooper,  Inc.,  was  selected
as the consultant responsible  for preparing an engineering report on potential
     facilities;  the  report is  known as  the facilities plan.   EPA determined
TABLE 4-1
Year
1 1970
1980
1990
2000
. PAST AND PROJECTED WASTEWATER LOAD AT MORTI^AST PLANT.
Population in
Service Area
46,281
68,440
91,890
118,100
Per Capita Flow Total Flow
Gallons/day Gallons/day
85
85
83
84
3,930,000
5,820,000
7,625,000
9,905,000
Total Flow
Acre-feet/year
4,405
6,524
8,547
11,103
          I Source: facilities plan.  Flows increase from 1990 to 2000 because of
          I	      non-residential contributions.

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  NORTHEAST EL PASO	ALTERNATIVES	FINAL EIS


  the reuse potential of this water,  and  result in continued loss of  a valuable
  resource which  could enhance long-term  productivity.   The alternative  is un-
  acceptable as an approach to the management  of water resources in the  El Paso
  area,  and is not evaluated in the EIS or facilities plan.


  5.2  REUSE ALTERNATIVES

      Eight distinctly different uses can be considered  for  the  wastewater which
  is collected  in Northeast El  Paso.  Four options would  each  utilize   only  a
  portion  of  the projected  sewage flow:   wildlife  habitat  (wetlands),  recrea-
  tion,  industry, and dual  water  systems.   These alternatives are summarized  in
  Table 5-1.  Four  options  would utilize  the  entire 10 mgd  of  wastewater which
  will be  available  in the year  2000:   discharge to  the  Rio Grande;   new agri-
  cultural development;  recharge  for  eventual municipal  use;  direct  recycling
  into the City water  system.   The four larger-scale  alternatives are  described
  in Sections 5.2.1  through 5.2.4.  Each  could be implemented as a single pro-
  ject or in combination with one or more of the  alternatives described in Table
  5-1.   Based on the analysis which follows, of the  eight  reuse  options,  six are
  potentially acceptable in Northeast El Paso,  and are evaluated in more detail
  in Section 5.3.

  5.2.1   Discharge to Rio Grande

      Construction of a treatment  plant  in Northeast El Paso, and a pipeline  to
  the Rio Grande, would  permit  discharge of treated wastewater  for the  benefit
  of downstream  irrigators.   By  supporting irrigation, wastewater  reuse  would
  aid preservation of green open  space,  would  enhance wildlife  habitats  associ-
  ated with farms and  irrigation  drains,  and would  contribute to the  local pro-
 _duction of food  and fiber.   However,  the alternative would  make  no progress
  toward meeting the need to expand  municipal  water supplies.  Major  impacts  on
  public health  due to irrigation with wastewater would not  be expected,  because
__the wastewater would continue  to be  a  small fraction  of the total water  supply.

      One variation on the discharge alternative would be to  use the pipeline  to
  deliver treated effluent to recreation or industrial sites between the North-
  east  treatment plant and  the  river.   Another variation would  be  to  build  the
  treatment plant at the river; however,  this  choice provides no special advan-
  tages  and would involve land requirements and possible nuisance problems (e.g.
  odors)  in built-up  areas.

  5.2.2   Agricultural Reuse

     Rather  than discharge  treated effluent for use by existing farms, the City
  could  develop  a new farm site,  recycle the wastewater for  irrigation  purposes,
  and utilize  the income  from crop  sales  to offset  the  costs  of treatment.
  Areas  in Northeast El Paso  are not suitable  for  farming  due  to  the value  of
  the land  for  urban  development, the  risk  that  percolation  of  excess  water
  would  result  in salinity  increases  in   the  Hueco  Bolson, and  the  risk  of
  litigation  from  residents of New  Mexico.   More  acceptable  candidate  sites
                                        5-2

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                           THRU 5-4.  cfWTAmsnN OF nisownw. M.IERMIIVE (WSE 3)  in REnuwre

  See f loures 5-1, 5-7, 5-3, 5-1 and 5-5 for Information an these alternatives.
                                                                                                            (cnst-  «>.
  ruciun
                                      D1SPWHE BLTEnMOTtvE (Case 3)
                                                                                         RECHAKOE ALtERNATIVE (Case 6)
  Description
  Reuse tjuant It If?*
  rronnmlcs
          cnst,  plant
  Capital  cost,  pipelines
   and wells
  Cost,  total

  Annual  labor cost
  Annual energy  cost
  Annual chemical  cost
  Annual materials cost
  Inlal annual operating

  Annual  income
  AnnualIzrd capital and
   operating costs,
   adju^'en1 for  income

  Value of water reclaimed

  fnsts le-.-. benefits


Impact  nn  utility  rales  2/
  Resources ir^o1 or prnrlucnt.t
    prr veai

    Chlorine user)
    I(me used
    farhon used

    Fnrrijy used -
    Other chemicals used
  Water reclaimed
  rnnroer acre-fool, of water (Landsforri
                                  et nl., 1977), the value of the reused water
                                  would ho nhoiit $l5n,nnt) per year.
  Comfiarative environments!
                                                                                     Plant producing potable water built at  entsllnq she
                                                                                     In H.F..  El Paso.  Pipeline htitll  to serve recharpe  wells
                                                                                     and power plant,  existing pondr,  would  dry up.   rtniire
                                                                                     S-4 shows location of faclllllrs; I Ignre 5-5
                                                                                     lllusrrales tlw? treatment sysipra.
                                                                                     a.   OrlnVing water (recharge)    6.« npd
                                                                                     b.   Power p)ant                 7,0 mgri
                                                                                     c.   City parks                    none
                                                                                     d.   Wetland ponds                 none
                                                                                     e.   Dlsrharoed to nia Grande       none
                                                                                                   25.2B3,(«}
                                                                    fan .aao
                                                                    «i,aio
                                                                    7/7,000
                                                                    730.000
                                                                  7,237,000

                                                                    109,500
                                                                  i, no?, son
                                                                                                    1,556,100
                                                   Average Increase monthly water t>111  $1.71
                                                   Avrratp Increase imithly sewer hill  io.fifi J
   14,000      pounds
    3,CMS      Inns
      TOO      tons pnwrfeted
       37.*>    tons granular
9.83O.OOO      kilowatt lours
"5,650,000      pomrls carbon dioxide
  124,000      gallons methanol
   3O,nm      pounds i
                                                                                       9,672      acre-feet
                                                                                       7,000      cuMc povnds/year

                                                                                   Provides  more water  for municipal  needs, at a  lower cnst
                                                                                   than alternative  water sniplles.   Economic productlvlly
                                                                                   associated with the  reused water reflects value of
                                                                                   urban water,  which Is high.  Selves  as prototype  lor
                                                                                   large-scale recycling which would  markedly  improve
                                                                                   improve long-term availability  of  municipal water; aHn
                                                                                   will be a project of national and  International prwn-
                                                                                   loaoce clue to Interest In potable  recycling.   Some
                                                                                   resource costs may he  recovered;   energy by use of
                                                                                   turbines  lo recharge wells;  lime l for hnlh options, and Includes credit for energy recovery «t treatment plant
  (methane rnmhust.Ion).
                                                                     5-16

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 NORTHEAST  EL  PASO                  ALTERNATIVES                         FINAL  EIS
 5.4  ALTERNATIVE  COMPONENTS  OF  A  RECHARGE PROJECT

     Most  decisions  about  the  detailed  characteristics of  a recharge project
 properly  would be made  during  project  design.   However a  few basic  alterna-
 tives must  be evaluated  during  project  planning.  One  major choice is the
 extent  to which  wildlife  habitat  is  to be  maintained at  the site;  this is
 addressed in more detail below  (5.A.I).   Another choice involves the selection
 of a recharge method,  which is  discussed  in  5,4.2.   A third option  involves
 selection of the  most effective treatment system,  and is considered in Section
 5.4.3.   A number  of other  considerations  are  discussed  in 5.A.4, including:
 plant relocation; solids  handling;  resource  conservation;  operation   and mon-
 itoring;  influent control; and  flow  reduction.

 5.4.1 Wildlife Habitat  (Wetland)

     The Northeast El Paso  treatment site presently includes 482 acres  of pond-
 ing area  which provide  a significant wildlife  habitat (see p. 6-29 and section
 6.4.1).   If  a recharge  project  were to be implemented, retention of the entire
 ponding and  habitat  area would  not be possible for  the following reasons.

     1.   The  most  valuable pond  (for wildlife)  is within Ft.  Bliss;  the Army
 indicates the overflow  discharge onto military  land  must stop  (see  p. 6-30).
 This position reflects  specific  opposition   to the  unauthorized  use of the
 military  reservation, and  general opposition  to the  nuisances associated with
 the entire Northeast ponding area.   Elimination  of this pond cannot be avoided
 under any alternative and  would substantially  reduce the  value  of  the area as
 wildlife  habitat.   In  theory,  the  treatment  ponds  within  PSB land  could be
 modified  to  provide  ecological  conditions similar  to those  which  exist at the
 Ft.  Bliss pond.   However,  in practice deed  restrictions may allow Ft.  Bliss to
 veto such an action.

     2.  Assuming  that the Army would permit  existing wildlife habitat  to be
 maintained at the  remaining  ponds  (322 acres), there  would be a perpetual com-
 mitment of 1.75  mgd of water  to offset evaporation losses.   This represents
 about 20% of the  average flow which would be  processed  by  a recharge  project.
 The  water lost to evaporation  would have a dollar value of  $1.4  million per
 year  (at  $1.19. per  thousand gallons).   A cost  of  this magnitude  would  cause
 Case  3 (river  discharge)  to  become cost-effective.   (Note:  this   analysis
 assumes the  ponds would be  lined  to  prevent  pollution of  ground water.   An
 alternative involving unlined ponds is given in Section 5.4.2.)

    The economic  considerations presented above  illustrate  a  fundamental con-
 flict which  relates  to  the compatibility of a recharge  project with  the  main-
 tenance of wildlife  habitat  in  Northeast El Paso.  The purpose of a   recharge
project (such  as  Case 6)  is to invest  a large  amount of money and  effort to
convert wastewater  into  a  water  resource which  can  supply  municipal  demands.
Such  a project can be justified only if the need  for municpal water  is great,
and  the prospective  users  of the water  resource are  willing to pay the  costs
involved.   Wildlife  cannot pay  such  costs  directly.   Therefore, the  price of
any  water used by wildlife  must  be paid  by  the  human  users  of the water.
                                      5-24

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 NORTHEAST EL PASO
ALTERNATIVES
FINAL EIS
Agreement  to  pay such costs represents  a decision that the  intangible values
of  an  ecological preserve  justify  a  commitment  of  high-value  water  which
otherwise  would be available for municipal uses.

    Different  individuals would  undoubtedly  place  different values on the life
support benefits  of  the  Northeast  Ponds.   There is no  direct  way  to determine
what value would  be  assigned by  the 'average1  citizen of El Paso.   However, an
indication of  the value  can be determined by developing a  specific alternative
which  would  provide  wildlife habitat as  part of a recharge  project.   Such an
alternative, labelled Case 6A, is  discussed  in Table 5-6.   Case 6A would have
a water  cost of  600,000  gallons per day; use  of  the  site would  continue the
nuisance problems which now occur near  the existing  ponds  (see  Table  5-6).
The princial  reason  for selecting Case 6A over Case  6  would  be to provide for
mitigation of wildlife  impacts  caused  by the  Hueco Bolson  Recharge Project.
Such mitigation would benefit a  variety  of waterfowl  and shorebirds, for which
comparable habitat is scarce or  absent  in El Paso County  (see section 6.4.1).
Although the  total acreage  of open water  would be reduced,  special design and
construction of the  habitat would  maintain an  area of shore habitat comparable
in dimensions and effectiveness to that which now exits.

    During preparation  of the  Draft and  Final  EIS there was  extensive public
discussion of Case  6A.  Representatives  of environmental  groups  such as the
Sierra  Club  and  Audubon Society,  as  well  as  individual  citizens,  expressed
support for  the concept that society should be willing to pay to protect the
existing habitat at  the Northeast  ponds (see discussion  in  Section  7.2.2).
They indicated that  the  added  costs associated with Case 6A  were  small com-
pared to the benefits (measured both in dollars and water).   These groups feel
that,  given  the historical  destruction of habitat in the  El Paso area,  it is
especially important to  protect  such habitat when  implementing a recharge pro-
ject.

    Under  EPA  direction,  PSB established  a  full-scale public  participation
program to provide input to'the  planning process  (see  Chapter  7).  A Citizens
Advisory Committee  was  appointed  to provide  public  participation  during EIS
preparation.  Committee  membership reflected a full  range of  public attitudes
within the City,  and provided  a good cross-section of  the community at large.
The recommendations of the Committee were  considered  by PSB and EPA to reflect
the opinions  of the  majority of El Pasoans.  With regard  to  wildlife habitat,
the Committee  supported  the  preservation of wetlands as a  generally desirable
objective.   However,  the committee determined that  under the special condi-
tions which occur  in Northeast  El Paso,  the retention of habitat in associa-
tion with  a  recharge project  could not be justified.   The committee therefore
recommended that  that Case  6A  be  rejected in  favor of Case 6  (see additional
discussion in Section 7.2.1).

    The Committee decision  was  based on an evaluation of the  environmental
benefits and  drawbacks  associated with the  use of water  for  recharge versus
wildlife purposes.   A  very  large  environmental  benefit was  assigned to the
recycling  of  water  for  municipal  use.   This benefit  reflects the  long-term
water supply needs of the City.  Such needs  are the basis  for determining that
                                      5-25
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Description
Economics
Renpflts
luawbacks
                                   TABLE  5-6.  EVALUATION OF  ALTERNATIVES  TO MITIGATE WILDLIFE  IMPACrS
RETENTION OF HABITAT AT NORTHEAST SITE (CASE 6A)

     Modify existina oxidation ponds to create shore,
island, nesting and open-water habitat.  Two ponrtinq
areas of 50 acres each could be developed, and supplied
with primary effluent from the treatment plant.  The
first pond would contain fresh water (less than
1,500 mg/1 total dissolved solids; SOOO mq/1 water
would occur in the second pond.  Existing natural seals
would prevent percolation; however, monitoring (using a
water budget) would be needed to verify that percolation
does not occur.  Fences and/or patrols would be needed
to control trespass; mosquito control programs would be
continued.

Gross cost $a,615,OOO/year or $188,000/year less than
Case 6 (see Facility Plan),  when water supply benefits
are considered, Case 6A would cost $l,548,200/year
while Case fi would cost $1,518,400 per year (including
salvage value).  Thus SA Is J40,000/year more costly than
Case 6.  These evaluations do not include any added
expenses for pond lining and/or habitat mortification.
1.   Would provide ecosystem for life support of diverse
bird population, Including shore and nesting hahltat
which occurs in limited amounts elsewhere In El Paso County
The small wildlife sanctuary would offset
to small degree the elimination of habitat which
has occurred over the last century or more.
2.   Proper design could enhance habitat compared to existing
overflow ponds; even though total acreage would be reduced,
net effect on populations could be minimal.
3,   Committment of water (see below) is small compared
to regional needs.
                         1.   Maintenance of 100 acres would require commitment
                         uf 600,000 gallons or' water per day; this water other-
                         wibe would be available for recharge and municipal reuse.
                         Over the long nn, more expensive water would neeri to
                         he purchased to replace this supply.  The long-term
                         impact would be 50* greater, since foi each two gallons
                         recycle!) Into the municipal system, one gallon eventually
                         returns as wastewater suitable for further recycling.
                         2.   Deed restrictions imposed by Ft. Bliss appear to
                         preclude official use of Northeast site for wildlife (or
                         other non water/wastewater purposes).  Such use could
                         provide legal basis for reversion of ownership.
                         3.   Access problems wnulct limit use of site for formal
                         recreation purposes.  However, informal (trespass) rec-
                         reation could continue; indiscriminate discharge of fire-
                         arms could Jeapordize plant personnel and/or reguire
                         additional security measures.
                         4.   Site would remhln potential source of mosquito breed-
                         ing anrt diseased waterfowl.  Spraying for vector control
                         could present hazard to waterfowl.
                         5.   Habitat value would be reduced by proximity to the
                         traffic noises and human activity at a hidden treatment
                         plant,  which would he greatly  Increased compared to
                         present levels.   The mnre reticent fauna would no longer
                         visit the site.   Fencing could restrict the presence of
                         larger  mammals.
DEVELOPMENT OF HABITAT AT OTHER SITES

Develop tnan-made or man-modified shore,
nesting, open-water habitat.  Locations
could bp any site having adequate land and
water, such as historic hosquo areas along
the Rio Rrande.
Not evaluated, but assumed to be similar to
6A, unless the land involved required
purchase.
1.  Sites would potentially have benefits
similar to 6A, although a saline pond night
not be provided if the water used were clean
and could be allowed to percolate.
2.  Sites could provide recreational and
educational benefits and avoid attractive
nuisance drawbacks of Case 6.
3,  Sites along the river would help maintain
the Rio Grande as a major natural corridor
for the movement of birds and other wildlife,
and would compensate, to some extent, for
losses of habitat for municipal and agricultural
needs.

1.  Maintenance of ponds would require water,
probably in amounts similar to Case 6A.  The
value of this water would depend on the alter-
native uses to which it would otherwise be put,
anci the cost of replacement supplies.
2.  Possible increased costs and/or impacts if
land to be used has present productive value.
This could be avoided if dedicated open space
or park land is available.
3.  Habitat sites within Fort Bliss are not
supported by the Base Commander at this time
(Conyers, 1978).  Habitat at a public park in
Northeast El Paso remains a possibility which
could be explored as park planning in the area
progresses.  However, at this time no
appropriate site has been identified.
                                                                              5-26

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 NORTHEAST EL PASO
ALTERNATIVES
FINAL EIS
 a  recharge  project  is  cost-effective  when  compared to  the river  discharge
 alternative.   In the  specific  instance of  Case  6,  the project  would require
 committment  of considerable resources (dollars, energy, chemicals).   The pub-
 lic  participation indicated  that,  because  of  this  commitment,  the  community
 value of the water produced by  the  project  was  enhanced.   In effect,  the value
 judgement  was made  that "if  the need  for municipal water is so great that
 wastewater recycling  is cost-effective  (and there was no  disagreement on this
 point),  then  it is  imperative  that such  recycling  be   fully  implemented".
 Diversion  of  water  to non-municipal  uses  could  be considered  only  under
 unusual and compelling  circumstances.

    The principal  of protecting  wildlife habitats,  and/or mitigating wildlife
 impacts, was also assigned a  high value.  However, in the  specific instance of
 the  Northeast  Ponds,   it  was  felt that  this value was diminished  for several
 reasons (see p.  6-29).   The site  is  considered  an attractive nuisance, because
 of  its  location  in  and  near military  land.   Trespass by hunters  and  bird-
 watchers is common, and in conflict with the military use  of the area.  Indis-
 criminate  discharge  of firearms  by some  hunters  presents a  hazard to  all
 others  who  may  use  the site.  Recreational use  of the  site  by  the general
 public  is  not  practicable due  to access limitations.  The  site  is a prospec-
 tive source of mosquitoes and,  perhaps,  diseased  waterfowl.  The fact that the
 habitat area was created accidently,  as  the result of an inadequate wastewater
 treatment plant,  was  also considered.   This situation,  while not  diminishing
 the ecological  value  of tne  ponds,  was considered to make arguments for pre-
 serving the  habitat  much less  forceful.  A natural  habitat was  considered to
 have  a  much greater  standing when  making  decisions to  protect habitat  or
 mitigate wildlife impacts.

    In  discussing  the  comparative  environmental  benefits  of  Case 6  and Case
 6A, the Committee indicated  that there would  be  support   for diverting  muni-
 cipal water  to a wildlife use, i£ the habitat  area  did  not have the drawbacks
 associated with the  Northeast Ponds.   Consequently,  a  search  was   made  for
 alternative  sites within  the  planning area which  might  provide  substitute
 habitat, with emphasis  on locating  sites which  could provide either municipal-
 type recreation,  or  safe hunting.  Hunting sites within  Ft. Bliss were  ruled
 out by  the  Base Commander (Conyers,  1978).   The possibility  of a  combined
 wildlife-recreation area in Northeast El Paso was explored during the planning
 process (see Table  5-6).   Good candidate sites do not exist  (EPDPRD, 1978O.
 Possible habitat development  elsewhere  in  El Paso  is to  be discussed in  the
 context of a second  facilities plan  which  is  currently being  prepared.   The
 study is  separate  from  the   Northeast  El  Paso  facilities plan  and is  not
 considered as providing mitigation for the impacts of a recharge project.

    Upon determining  that  alternative sites were  not  available,  the  Committee
 then judged  the  environmental benefits  of  using  some wastewater to  provide a
 habitat at  the  Northeast  ponds  (Case  6A),  versus use  of  all  wastewater  for
municipal use  (Case 6).  The unanimous decision was that the  municipal  use
 carried a  greater benefit  to the  El Paso  community  as a  whole.   Therefore,
Case 6A was judged to have a more adverse environmental impact than Case 6.
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       Put another way,  the  Committee determined that,  for  the specific circum-
   stances of Northeast El Paso,  the sole measure of cost-effectiveness would be
   the degree to  which  an alternative met  municipal water  supply  needs,  unless
   there were compelling  reasons to  divert  municipal water  for  another  use (in
   this case,  wildlife ponds).   The Committee felt that there were not compelling
   reasons to provide wildlife  habitat at the  Northeast  site,  and that alterna-
   tive sites were  not  available.  Consequently,  the  most  cost-effective alter-
   native  would  be that which provided the greatest amount of water for municipal
   needs.   On this  basis,  Case  6 was  determined  to be  more cost-effective than
   Case 6A.

       Although  economic  factors were considered  in the evaluation  of wildlife
   habitat,  the  discussions  at  Citizens  Committee  meetings indicated that the
   final decision to  eliminate  the habitat was not based on the  dollar value of
   the water which  would be diverted  to wildlife.   Similarly, the  presence or
   lack of direct economic benefits  from  a  habitat area was not considered to be
   of substantial importance.  Based upon the  considerations given  above,  reten-
   tion of  a wildlife  habitat  at  the  existing  site  is  not considered  cost-
   effective  by  PS8.  As mitigation  would  require  commitment of water resources,
   it is considered to be not practicable unless accomplished in association with
   a  municipal  recreation site.  Such  mitigation  is not  feasible  within the
       ect area.
|_proj
   5.4.2  Recharge Method

      Percolation basins  are an alternative to  the  use of wells for recharge of
   treated  effluent.   Evaluations  in  the  facilities  plan   indicate  that  the
   lowest-cost  option would  involve removal  of clay  loam soils and  caliche in
   order to maximize  the percolation rate.   This approach would require 162 acres
jof  ponds  to dispose  of  10 mgd.   Additional  acreage could  be provided to
   provide  shoreline habitat,  so  that the  ponds could  function as a desirable
   wildlife habitat.   The cost would be  approximately  $3,800,000,  including land
   acquisition,  which  is  considerably  greater  than  the  cost  of  drilling  and
   operating  10 recharge  wells.  Alternately, most of  this cost could be avoided
   by  using the existing  plant site.  However,  the site is poorly  situated with
   regard to  placing water  into  the aquifer in  a  location where a  large volume
   will be  recovered by municipal wells  within a relatively  few years.   Instead
   most of  the water would  flow toward  wells on Ft. Bliss, and would  not become
j	part of the  city supply.

      A potential advantage  of percolation  is  that passage of wastewater through
   the soil provides  additional treatment,  especially the removal of bacteria and
   other pathogens.   This  removal is  very  desirable for  recharge  projects which
   involve  a  traditional  treatment  process  which  produces   effluent  containing
   considerable  amounts of contaminants.  However,  the approach of  Case  6 is to
   provide complete  wastewater reclamation within  the controlled  environment of
   the treatment plant, requiring  no additional removal by uncontrolled natural
   progress.   Additional   treatment  during  recharge  is  not  essential  to  the
   success of the project, but  instead would be an additional safety factor.


                                        5-28

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  NORTHEAST EL PASO
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FINAL EIS
      Use of percolation ponds would lead to evaporation of  0.88  mgd in an aver-
  age year.  This  is  water  which,  if recharged by wells,  would augment the muni-
  cipal  water supply  and  have  a  dollar  value  of  approximately  $382,500  per
I  year.  An  additional 7,000  acre feet of water  valued  at $2.7 million,  would
I	become a  permanent  part  of  the soil  and  would never  reach the  water  table.
  Evaporation would increase the salinity of the  recharge  water by  about 10 per-
  cent.  Additional salinity build-up  would  occur because the  percolating water
  would  dissolve  out  soil  minerals.   Consequently,   changes  in the  salinity  of
  the municipal  water supply  would  be greater than  if wells  are  used for  re-
  charge.  Ponds would  be less effective than wells  in accomplishing goals such
  as the control of saline intrusion.

      In summary,  recharge  by  percolation  would be more expensive  than recharge
  by wells,  and produce  greater  degradation  of  the quality  of ground  water.
  Benefits normally  attributed to percolation are  relatively unimportant,  al-
  though this approach  would avoid the wildlife impacts associated  with Case  6.
  The fundamental  problem,  however,  is that  the approach  would consume (through
  evaporation) water  of extremely high  quality  and  value,  which is  counter  to
  the  fundamental  objective of  a recharge project.   Therefore, percolation  is
  not considered to be cost-effective.

      Many of the  same  factors would limit the usefulness of  well  recharge into
  the unsaturated  zone  above  the water table.  In addition, operation  of wells
  would be more difficult because back flushing would not be  possible until  the
  unsaturated zone became saturated.

  5.4.3  Treatment Alternatives

      Production of potable water requires three steps:   primary treatment  for
.  settleable solids; secondary treatment to  remove soluble organic  matter,  nit-
  rogen and some trace  contaminants;  and tertiary processes for  further removal
  of trace contaminants and for  complete  disinfection.    Alternative approaches
  to each treatment step which are considered  in  the  facilities plan are summar-
  ized in Appendix A.

      No alternatives  were considered regarding  primary   treatment,  which  would
  involve primary  clarification  and  use  of  anaerobic   digestion  for solids.
  Three  different  biologically-based  processes  were considered  for  secondary
  treatment:   conventional biological  treatment;  the  BARDENPHO process; and the
  PACT  process.   Tertiary treatment  options  involve  different combinations  of
  certain basic  processes such  as chemical coagulation,  filtration,  disinfec-
  tion,  and carbon filtration.  The  facilities plan indicates  that  this process
  using the PACT  system costs $1.055  per  thousand gallons  of treated  product,
  compared to  $1.075   for  8AROENPHO,   and  $1.195 for  a  conventional system.
  Although  the overall costs of PACT and BARDENPHO are similar, the  PACT  system
  is more  cost-effective  because  it  is considered  to be particularly stable,
  which is  essential  if  potable water  is  to  be reliably  produced.  The PACT
  system is  also more  highly  rated than other  alternatives  in  the  removal  of
  trace organics and inorganics.
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5.4.4  Other Components of a Recharge Project

    Plant Site.  The existing  treatment plant site is well-located in a remote
area  and would produce no particular environmental  problems once the existing
overflow problem is eliminated.   The only sites available for plant relocation
are west of the railroad  tracks,  in areas which are desirable for urban devel-
opment.  Land  costs would be  significant, and conflict  with the future urban
land  use would eventually occur  if one of these sites is  utilized.   No bene-
fits result from relocation of the  plant;  hence relocation is not recommended.

    Solids Handling.  The only alternative  considered for  management  of con-
ventional  biologic  sludge  is  dewatering and  composting with  sawdust.   This
option permits recovery of  the resource values in the  sludge,  and  its sale as
a  soil  conditioner.  The process is well-established  and  currently  in use at
other  El Paso  facilities.   Sludge from  the  high-lime  process  and  ash  from
regeneration of  PAC are  to  be disposed of at the  McCombs  landfill.   Based on
data  in  the  facilities plan,  the alternative of recycling  the lime-sludge is
not economical at this time, but  could  become cost-effective in the future.

    Resource Conservation.   A  number  of  actions to  reduce resource  use are
considered in  the   facilities  plan.   Carbon  regeneration is  proposed  for both
the powdered and granular activated carbon.   The  PAC material would be recycl-
ed at the site using a wet-air furnace, while GAC would be returned for regen-
eration  at  the supplier's facility.  Both regeneration  options  were  selected
on the basis of lowest dollar  costs, which in turn reflect considerations such
as energy use.

    Energy  use at  the scale  required  for  an  advanced wastewater  treatment
plant must be  obtained largely through  purchase  of  electricity.   Where energy
can be  recovered  from by-products  of the treatment process,  such  recovery is
proposed in  the facilities  plan.  Methane  from  the  sludge digestors  can  be
used to  power  some engines and pumps;  heat  from  these machines can be used in
turn in  the digestors.  According to the  facilities plan,  solar technology is
not as  yet  sufficiently  developed  to make it economical for use in  any capa-
city other  than  heating  sludge digestors; the machine heat noted  above  is  a
more efficient source of energy for the digestors.

    The  potential  exists  for  some  energy to  be generated  in the  injection
wells,  using  down-hole  turbines.   According  to the  facilities plan,  energy
valued at $135,000 per year could be  produced;  this  option  would be considered
in detail  during  project design, with  adoption  contingent upon results  of  a
pilot program.

    Operation and Maintenance.  To  reliably  produce  potable water from sewage,
everytechnique  of good  operation  and  maintenance  must  be  utilized.   The
facilities plan considers no  alternatives to a  rigorous maintenance  program;
rather it outlines  the steps necessary to assure fail-safe  operation.   Flexi-
bility is  to  be obtained by measures  such  as flow-equalization to provide  a
steady flow through the plant;  piping which would permit  any single unit to be
bypassed if it  is  out of service;  and  the recycling through the plant  of any
                                      5-30

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   NORTHEAST EL PASO
                                  ALTERNATIVES
FINAL EIS
   effluent which does  not  meet stringent  water-quality  standards.  Reliability
   is to be achieved by  the use of several treatment processes which provide for
   redundancy  in the removal of contaminants such  as metals,  viruses, and organ-
   ics.   Criteria  set  by  EPA  regarding  alarm-systems,  stand-by  equipment and
   other essential  components of a reliable plant  would be  used in plant design.
   Operation of the plant would be assisted by  computerized  controls.  Staffing
   would be sufficient  to provide close  surveillance of  the treatment system, as
   well  as  continuous preventive maintenance and  effective emergency repairs.

      Monitoring would  be a key component of  plant  operation.   Figure 5-5  indi-
   cates parameters to be tested to obtain process control.  Product water  is to
   be sampled  and measured  routinely  for all  drinking water standards.  Monitor-
   ing would also  include viruses,  gross organic  content  and specific organics.
   It is anticipated that bio-monitoring would be  included  in the project,  using
   cell-toxicity and/or   animal-feeding  experiments;  post-injection monitoring
   would also  be performed using observation wells between the injection and pub-
   lic supply  wells.   A  detailed  program  is  to be  developed  during the design
   phase of the  project.   The program would  include  upgrading of the  U.S.
   Geological  Survey computer model of the Hueco  Bolson  to permit more accurate
   management  of the recharge wells.
r
LJ
    In the  event  that the  reclaimed  water failed to meet  standards,  it would
be stored  in  the existing  oxidation  ponds (which would  be retained  for  this
purpose).   At  design  flows,  30-days  of  storage  would  be provided.    In  the
event  that  plant operation remained  inadequate  for a  longer period,  excess
flows would be  discharged into  the overflow areas,  as  now  occurs.   Unless the
plant were inoperative for  a period of 45 days, all inflow  would be contained
within PSB land, and there  would  be no discharge  onto  Ft. Bliss.   In the event
of overflow,  the potential for  renewed  contamination of  ground water would
occur.  However,  once  the  existing overflow  areas are dried up, the  soil be-
neath the ponds will develop a capacity to absorb  a  considerable  amount of the
overflow before again becoming fully  saturated.  Until  such saturation occurs,
the percolation from the overflow ponds would not  reach the water table.
       Influent  Control.   Presently the wastewater collected in Northeast El Paso
   is  free  of industrial discharges and excess  levels  of toxic contaminants.  To
   maintain  this situation the  facilities  plan proposes:   a)  to require any new
   industrial  dischargers to pre-treat  effluent to control  toxic  components;  b)
   to  initiate a public education  program  citywide to  explain what should not be
   discarded  into the sewer system.

       Flow  Reduction.   Water conservation programs in  El Paso are  already de-
   signed to  reduce wastewater  flows,  since water-saving fixtures are required in
   all  new  construction and in  remodelled  buildings.   Additional water conserva-
   tion alternatives, discussed  in the facilities  plan  are most likely to reduce
Ioutdoor  water use and  would  have water-supply  benefits  and a small impact on
   wastewater  volume.  Conservation is discussed further  in  Section 7.2.2.

       Summary.  Most  components of a  recharge project  are either mandatory be-
   cause of  the  need to provide reliable treatment or  are best considered during
                                        5-31
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  the  design  phase of the project.  A few alternatives  can  be evaluated at this
  time.    Eeconomic  considerations   are   the  primary   determinant  of  cost-
  effectiveness  in  all  cases.   Examples  of cost-effective options  include:
  retention  of existing  plant site;  landfill disposal  of lime  sludge;  energy
  recovery from digestor  gas and plant machinery.


                          B.   ALTERNATIVES  AVAILABLE TO EPA

       Three  options available  to  EPA in executing  its  construction grants pro-
  gram under Section 201  of  the  Clean Water Act include  awarding additional
  grants  for  the  design and  construction of the grantee's preferred alternative,
  awarding additional grants  on  a modified  or alternative project  and  denying
  additional  grants.

       Awarding  Grants  for  the Grantee's  Preferred Alternative.   EPA  may award
  additional  grantsfor  the  design  and construction  of the  recharge project.
  Significant environmental  effects  associated with this action  include hydro-
  logy and water  quality  changes  in the Hueco  Bolson,  increased  risks  to public
  health,  alterations  to areas  which  contain  biological  and/or  archeological
  resources,  increased  use of  energy,  chemicals and financial resources,  produc-
  tion of solid wastes  and  enhancement of  the area's water supplies (see Chapter
  6  for a detailed discussion  of these and other impacts).

       EPA considers  the preferred  alternative  to  be multiple  purpose  in nature
  because  it  provides  benefits beyond meeting the enforceable  requirements  of
  the  Clean  Water  Act.  Based  on an  EPA Headquarters  review (Appendix  B)  it
Iappears that  EPA's level  of  funding  for  this alternative would be 55  percent
|	of the capital costs; exact  dollar figures have not been finalized.

       Awarding  Grants  for  an  Alternative Project.   EPA  may award  additional
  grants  for  the  design  and  construction  of an alternative  or modified project
  if it is more cost-effective and has less adverse environmental impacts.

       Denying Additional  Grants.   EPA can  deny  awarding additional grants  for
  the  design  and  construction of  the  preferred alternative if the  project does
  not  meet EPA  criteria for eligibility or  if  environmental impacts of the pro-
  ject are considered significantly adverse.

j      EPA is  proposing to award grant funds for  Case 6.  This decision  is made
  despite the impacts to wildlife  habitat which  will occur,  and makes  no pro-
  vision  for  mitigation  of  the impacts.  EPA  concurs  with the majority  of  the
  citizen input to the EIS,  as reflected in  the actions  of the Citizens Advisory
  Committee.   That  input  states,  in effect, that there  is a need for developing
  long-term municipal water supplies  in  El Paso which is  so  compelling that  the
  recycling of  wastewater is  clearly cost-effective,  despite high  dollar costs
  and  possible health effects.   The  willingness of El Pasoans to commit  to this
  approach demonstrates the  overriding importance  which they  attach  to the pro-
U  vision of an adequate municipal water  supply.  In the  face of this strong com-
  fiitment, alternatives which  dilute  the effectiveness  of recharge are  not cost-


                                        5-32

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NORTHEAST EL PASO
ALTERNATIVES
FINAL EIS
effective,  and  it is appropriate  that  the alternative be  implemented without
modification.  Therefore diversion of water  for  wildlife  purposes,  which would
occur  from  alternatives  such as 6A,  is not  cost-effective.   Mitigation, which
would also  require the commitment  of water resources,  is  also in conflict with
the fundamental objective of  a  recharge project,  and  is not considered practi-
cable.

    EPAs decision is specific to the circumstances  of Northeast El  Paso.  Pro-
jects lacking conditions of a similarly compelling nature,  and having adverse
impacts to  wildlife,  would not be supported unless adequate  mitigation meas-
ures were undertaken pursuant to NEPA and Executive Order 11990.
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I      Contamination  at  the existing wastewater treatment  plant  is inferred from
  water-balance  estimates  and well records.   Percolation from the ponds is esti-
  mated  at 2.9  mgd  (see p.  6-30).   This seepage  must create  a  local recharge
  zone,  which should be reflected by  a comparatively  high  water table beneath
  the site.   The exact  location  of recharge  is difficult to predict because clay
  layers  and  fractured  caliche underlie the  pond area, and may cause the seepage
  to  move laterally  as well  as  vertically.   Indirect  evidence of  recharge  is
  found  in records  from one well north  of  the  ponds, where  the  rate of water-
  level  decline  has slowed  markedly  since overflow to  Ft.  Bliss began  in 1968
  (PSB  file  data).   Presumably,  the recharge  has  caused local ground water con-
  tamination,  since  the sewage  contains comparatively high  levels  of salts and
  nitrates  (see  p.  6-30).   In addition,  salts could be added to the water as it
  passes  through the unsaturated  sediments.   The  clays would purify  the sewage
  of many  impurities, but  salts  and nitrate  would  be little affected.  There are
  no wells which permit a  sample to be taken  beneath  the  site,  so the pollution
Iproblem cannot be  confirmed  or quantified at this time.

      Ground-water Management.   In Texas,  ownership of rights to ground water is
  tied  to ownership  of the overlying  land.   In 1954, the Public Service Board
  purchased all  available  private land  in Northeast El Paso  from the then city
  limits  to the  state line,  and thereby obtained control over much of the fresh-
  water portion  of the  Hueco Bolson.   Since then,   most  of the remaining private
  water  rights  in  the  Northeast  have  been  sold,  deeded or committed  to  the
  Board.  However,  there are  substantial  portions of  the Bolson in  New Mexico
  and Mexico  which  are  outside  of City  control,  and  perhaps half  of the Texas
  portion of  the fresh-water  aquifer  lies beneath  military land, and is control-
  led by Fort Bliss.

      About 150  major wells  tap  the  Bolson in Texas,  Chihuahua  and New Mexico.
  In 1977 nearly 126,500 acre-feet of water were withdrawn with  El Paso (49 per-
  cent)  and Juarez  (36  percent)  being  the major users.   Industrial  users (power
  plant,  refineries, natural  gas  facilities) accounted  for 7  percent  of  the
  water and Ft.  Bliss pumped 4 percent  of the supply  (in  addition to water pur-
  chased from the City).  The  remainder of the supply  was  withdrawn by scattered
  subdivisions,  golf courses, and other users.

  6.2.3  Summary of Water Availability and Use

      The El  Paso  region has a complex  pattern  of water supply  and consumption.
  Important features of this pattern include:

      -  surface  water availability has declined and  quality has deteriorated
      over time;

      -  good  quality ground water  is  abundantly available at present,  although
      some supplies are becoming saline  and the  water  table  is declining in some
      areas;

      -  surface  water  is  managed  via  long-standing  institutional  arrangements
      which cross  political boundaries,  while ground  water  is   essentially  un-
      controlled and is  not available across major  political boundaries.

                                        6-21

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   NORTHEAST EL PASO
ENVIRONMENTAL CONSEQUENCES
FINAL EIS
       In   an  effort   to  summarize  the   overall   water  supply   and  demand
  characteristics  of  the region,  a highly  generalized water  budget  has  been
  developed  for  the EIS.  Table 6-4 presents  the budget, which  is  not intended
  to be precise, but only to provide approximate values.  The budget indicates:

       - annual water use is about  570,000  acre-feet  per year in El  Paso County
       and Ciudad Juarez;

       -  the renewable water  supply of  the region  (including  portions  of New
       Mexico) is 350,000 acre-feet  per year, which is less than the demand;

       - a reserve  of about  50  million  acre-feet of ground water is stored in the
       major aquifers of the region.

  Table 6-4 also shows the following for the City of El Paso:

j	    - the annual water use is about 90,000 acre-feet;

       - renewable water supplies amount to 30,000 acre-feet per year;

       - water rights  permit  economic recovery of perhaps 9  million  acre-feet of
       ground water from storage.

       Regionally  and  in  the City  there  is a  net   deficit  in  renewable water
  supply compared to  demand, which means that ground water  reservoirs are being
  mined.   The  deficit directly  affects  agricultural  water  users   at  present.
  Fortunately,  because of the large volume  of  stored  water,  no critical shortage
  of drinking water is  imminent.   However,  the excess of water  use over renew-
  able  supply  cannot  continue  forever;  the data  indicate that  important deci-
  sions must be made  in the  future regarding regional water management.  Some of
  the possible decisions are discussed in Section 6.2.5.

  6.2.A  Water and Wastewater Utilities

      water  utility.   The water  system of  El  Paso   has  a long  and interesting
  history (see discussions  in USSR, 1973 and Bluntzer,  1975).   Today  the  City
  has  a modern system  which provides ample supplies of good-quality  water to all
  residents.  The utility  is  managed  by  a  five-member Public Service  Board
  (PS8), which includes  the  Mayor and four citizens  appointed by the City Coun-
  cil.   The  Board  appoints  a General  Manager  who oversees the  daily operations
  of the Utility.  The water system of El Paso is unusually complex; it contains
  many different sources of supply,  numerous  storage  and pumping facilities, and
  an extensive network of distribution lines.  Figure 6-9 is a schematic drawing
  which illustrates the  functional  relationships among the  different components
  of the system;  Appendix E provides basic information about the  facilities.

      As described in  Table  6-4 and Appendix E,  El Paso draws upon  three major
  sources of water.   The well  fields of  the Hueco Bolson have provided about 63
  percent of the supply over the last decade; the Canutillo  wells account for 25
  percent;   and  12 percent  has come  from  the  Rio Grande.   Within   the Bolson,
  three-quarters  of  the  supply  comes  from  the  Mesa-Nevins and  Airport  well

                                        6-22
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   NORTHEAST EL PASO	ENVIRONMENTAL CONSEQUENCES	FINAL EIS


   6.1   PHYSICAL ENVIRONMENT

       None of the  alternatives presented  in Chapter 5 would have a major  effect
   on the  physical  environment of  the El  Paso  region.   Minor  soil  disturbance
   associated with  construction would  occur from the  HBRP or any other  alterna-
   tive.    For  convenience,   construction   impacts   are  discussed   together,   in
   6.4.2.   The  following  section  presents  information on  climate,  geology  and
   soils  of  the  EIS  area,  as background  for  subsequent discussions  of  water
   resource impacts.

       There are three distinctive natural environments or regions in  the El Paso
   area:   mountains,  inter-mountain basins,  and river valleys.   These  environ-
   ments  are typical of  the  desert  country in the southwestern U.S.   Each  region
   can be subdivided  (Figure 6-1),  and described  as  to  typical  landscape,  geo-
   logy,  soils, vegetation and wildlife (Table 6-1).   Most low-lying  natural  re-
   gions  are urban  or urbanizing,  while some  of the valley remains agricultural
   and the  mountains  are  largely  open  space.  Major topographic  features  are
   shown  on Figure 6-2.

       Climate.   El Paso has  a  sunny, dry  climate.   Summers  are hot,  with  an
   average   temperature  maximum  of 95°F  in  June,   winters are  mild,  with  an
   average  daily  minimum of  30°F  in  January.   Mean  annual  precipitation  aver-
   ages only 8.4 inches  in the valley, and is slightly higher  in the  mountains.
   In contrast  lake evaporation averages  about  73  inches per year,  creating a
   severe  moisture  deficit which  limits  natural  vegetation  to  desert  shrubs  and
   grasses.   Most precipitation occurs as  brief  summer thunderstorms.  Other cli-
   matic  features of  interest include:  very  low  humidity;  unpleasant dust  and
   sandstorms,  most often  in spring months;  frequent  inversions which can  trap
   air pollutants near the ground,  especially in winter;  a  long  growing season;
   and abundant solar  energy.

       Geology.   The  geology of the  El Paso  region  is  well described  in many
   reports,  including: Sayre  and Livingston  (1945);  Knowles  and  Kennedy  (1956);
   Davis  and Leggat (1965);  and Bluntzer  (1975). There are three major  geologic
   units  in  the area,  corresponding  to the  natural  regions (Figure.6-1) and  topo-
   graphic  features (Figure  6-2).    The  mountain  areas  contain upfaulted  and
   tilted  sedimentary  and  igneous  rocks.   The basins  between  the  mountains  are
   downfaulted  structural depressions, partially filled  with debris eroded  from
   the adjacent uplands.   These basin-fill sediments are  called bolson deposits.
   In the Hueco  Bolson  (Figure 6-2),  the  deposits  range  in  thickness from less
   than 100 feet near the  mountains to about  9,000  feet  four miles east of  the
   mountains.   The basin  fill consists of  many irregular lenses of sediment  which
   can be traced laterally  for short distances.  In the Rio  Grande  valley,  up  to
   200 feet  of  alluvium  covers  the  bolson  material.   Geologic  resources   in
   Northeast  El Paso are limited to sand  and  gravel deposits.   Geologic hazards
   include   possible  moderate-size   earthquakes   (Sayer  and  Livingston,   1945;
   Sanford  and Toppozada,  1974),  and  soils  which  can  cause  building   foundation
Iproblems  due  to  the  expansion  of  bentonite  (Kuhfal,   1977).  No  alternative
I	would  impact  the resources  or   be  significantly  affected  by the  bentonite.
   Bolson   deposits  which  experience  water-level  declines,   normally  under-


                                        6-2

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NORTHEAST EL PASO             ENVIRONMENTAL CONSEQUENCES                FINAL EIS
fields.   The contribution  from the  Rio Grande  is declining  as growing  water
demands require  greatly  increased pumping of the Hueco Bolson.

    Water  use.  In  1977 the  El Paso  water  utility produced  and  distributed
92,814  acre-feet of  water, or  more than  30  billion gallons.   Table 6-5  pro-
vides data  on historic (and projected)  water use,  and  reveals that  the  demand
has grown  rapidly  through the years  due to population growth and increased per
capita  use.  Per  capita consumption was  about  210  gallons per day in  1977,
which is  below average  for  a  city in the  western U.S.   One factor  which  keeps
use low is  that several large  consumers have their own  water supplies.   For
example, in 1977 Fort Bliss withdrew 5,130 acre-feet from the  Hueco Bolson (in
addition  to water purchased from PSB),  major industries  (two refineries,  one
power plant) pumped  8,603   acre-feet,  and Vista  Hills Golf Course  used  1,034
acre-feet.   Juarez,  with a  larger  population than  El  Paso,  used  only  45,170
acre-feet,  indicating  that  per capita use was much lower.

    El  Paso's water use  has a  strongly seasonal  character.   About  36  percent
of  the demand  occurs  in  winter  months  while  64  percent occurs  in  April-
September.   During dry summer  periods  (especially June),  weekly and daily de-
mands can  be extremely  high.    On June  21, 1978,  the peak  daily  demand set  a
record  of  164 million gallons.  This peaking load  places considerable  stress
on  the  facilities  of the  utility,  and  requires  that the  water system  invest
heavily in  pumping and storage  facilities which operate  at full capacity  only
a few weeks or months of the  year.   Presently the City's peak supply capacity
has no  surplus compared  to  demand.   A  deficit in capacity  exists  on the  east
side of the  City, where  recent growth has been rapid.
                                TABLE 6-5.  WATER DEMAND

        j~~FFiOM PSB FILES,  AND TCWR (1979); no provision is made for the effects of water
        Lconservation programs.


Year
1940
1950
1960
1970
1980
1990
2000
2010
2020
2030

Population in
£1 Paso
96,810
130,003
276,687
322,261
424,000
526,000
625,000
735,000
850,000
970,000

Per Capita Flow
Gallons/day
95
134
165
195
210
218
225
230
233
235
Total Citywide
Demand Acre-
feet/year
10,300
19,500
51,200
70,400
100,000
128,500
157,500
189,500
222,000
255,500

Countywide
Demand S/

-
.
_
123,500
166,100
208,700
276,200
243,800
411,300
          a.  Domestic, municipal, industrial and other non-irrigation sources (TDWR,
          1979).
                                       6-25

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                             TABLE 6-8.  ALTERNATIVES FOR PROVIDING LONG-TERM WATER RESOURCES FOR THE EL PASO REGION.


Based on technical publications (Green, 1968; USB?, 1973; Bluntzer, 1975; TWDB, 1977; Landsford et  al., 1977); personal communications
(Stalllngs, 1978; Gllmer, 1978; Reynolds, 1978; Kyburz, 1978; Hickerson, 1978; Moore, 1978); the facilities plan;  and analyses made during
preparation of EIS.
ALTERNATIVE

A. WATER CONSERVATION

1.  Maintain city water use at
    current per capita rate by
    use of rate design, building
    codes, education.
2.  Substantially reduce per capita
  ["use (50* or more) by rationing;
    place a moratorium on new hook-
    ups.

3.  Improved efficiency of
    agricultural water use by
    use of drip method, ditch
    lining, field levelling (by
    laser), Irrigation scheduling.

B. INCREASE RIO GRANDE SUPPLY
1.
2.
3.
4.
2.
    City to obtain additional
    water rights by lease or
    purchase of irrigated land.
    Weather modification in head-
    waters area of Rio Grande.
Phreatophyte control in
upstream portion of Rio Grande
basin by clearing of salt
cedars.

Retention of all river water
for irrigation use, even as
farm lands are urbanized.
C.  USE LOCAL SALINE GROUNDWATER

1.  Desalinization of water from
    Hueco Bolson and elsewhere.
    Blending of saline ground
    water with fresher water.
                                       ENVIRONMENTAL AND ECONOMIC CHARACTERISTICS
                                   Essentially no cost to the City, but actual effectiveness
                                   of available measures difficult to predict.  Saves energy
                                   (hot water, pumping), reduces wastewater treatment costs;
                                   especially effertive in reducing peak demand, which markedly
                                   reduces need for capital-intensive pumping, storage and
                                   treatment facilities.
                                   Direct impacts include those listed above.  In addition,
                                   significant disruption of lifestyle would occur;  commercial
                                   •and industrial expansion would be limited; population growth
                                   would be curtailed or forced into areas outside city limits.

                                   Most actions require considerable capital, which may not be
                                   available in agricultural community.  Some decline in yields
                                   may occur;  otherwise impacts generally beneficial, due to
                                   reduction in waste of water.
Existing program adds 200 acre-feet per year at cost of
71 cents per thousand gallons;  Increments above this would
require new contract, and are estimated to cost 64 cents per
1000 gals.  Decrease in irrigated land would reduce green belts,
wildlife habitat, food and fiber production, and property tax
income.  Ultimately, large portion gf City water demand would
be met, but water would be available mostly In summer, amount
would vary from year to year and not be reliable; water would
require treatment and be of only fair quality.

Environmental consequences are poorly quantified at this time
but may include Increased frequency of floods, hazardous
weather, and erosion.  Hater yield may be improved by 10X with
reasonable dollar costs.  This would provide the City with
an additional 1,000 acre-feet per year (and farmers with
0.2 acre-feet/acre/year).

Cost-effectiveness of this approach has been questioned;
environmental impacts are significant locally (habitat
destruction, possible increases in erosion); likely to reduce
salinity of surface supply
                                                                                                        PROSPECTS
                                                                 Widely recommended and completely
                                                                 feasible.   City would need to expand
                                                                 jxisting programs; actual effectiveness
                                                                 uncertain.   The possibility of a more
                                                                 ambitious program, which would reduce
                                                                 per capita water used by up to 20* is
                                                                 discussed in 7.2.2.
                                                                                                      L«
                                                                 Not essential if other alternatives are
                                                                 implemented, and therefore unlikely to
                                                                 receive public support.
                                                                 Mill probably occur to a modest degree
                                                                 over time as research progresses and
                                                                 funds become available.
                                                                                                    Existing contracts may be challenged
                                                                                                    as to legality.   New contracts may
                                                                                                    eventually occur, but when and the
                                                                                                    amount of water Involved are difficult
                                                                                                    to predict.
                                                                                                    Environmental unknowns make
                                                                                                    Implementation of this option uncertain
                                                                                                    as to scale, timing.
                                                                                                    Effect on City supply would be small.
                                                                                                        Same as above.  Similar comments apply
                                                                                                        to watershed management in headwaters.
                                       Differs from option B-l in that water rights from retired lands  Except for lands Involved in the
                                       would revert to remaining irrigators, Increasing annual allot*   existing City leasing program, this
                                       ment for the land still under irrigation.  No new water would be option will occur unless other
                                       available to City; farm lands would decline as urbanization       alternatives are specifically adopted.
                                       proceeds; water supply at each farm would be enhanced;           Option was recently endorsed at a
                                       and there would be less reliance on saline ground water.         meeting of those Interested in area
                                                                                                        planning (Moore, 1978).
         3.  Use  saline water  for  special
            purposes, such as lawn watering
            (dual water systems)  or
            industry, recreation.
                                   Expensive, $2.42 per thousand gallons.  Energy-intensive;
                                   dewatering of fine-grained sediments may cause land
                                   subsidence; concentrated brine waste must be disposed of.
                                   Amount of water available is somewhat limited.

                                   Already in effect for both municipal and agricultural
                                   users.  When proportion of saline water is large, municipal
                                   customers may complain about taste; crop yields may decline.

                                   Requires dual pipeline facilities, which are expensive;
                                   generally most large-scale users who could pay the cost
                                   require good quality water, and would prefer option C-2.
                                                                 Seriously impaired by energy use and
                                                                 costs.  May become more competitive as
                                                                 new technology is developed in future,
                                                                 or as other options increase in cost.

                                                                 Likely to continue and increase.
                                                                                                        Unlikely.
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                                                                  6-32

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     WASTEWATER RECYCLING

     Use wastewater  for agriculture
     by  continuing or Increasing
     river discharge or developing
     new farms in upland areas.
2.  Recycle some wastewater for
    special purpose uses such as
    Industry, recreation, or dual
    water systems (subdivisions
    with separate pipes Tor lawns).
3.  Recycle wastewater for
    drinking water use.
E.  IMPORTATION

1.  Import ground water from
    nearby New Mexico.
2.  Import ground water from
    Trans-Pecos area of west
    Texas.
3.  Import from East Texas or
    beyond.


f.  INSTITUTIONAL ARRANGEMENTS

1.  Renegotiate Rio Grande Compact.
2.  Negotiate Interstate or Inter-
    national compact on ground
    water.

G.  GROUND WATER MINING

1.  Withdraw water from Hueco
    Bolson in amounts greater
    than recharge.
2.  Withdraw water from La Mesa
    Bolson (Texas portion).
Relatively inexpensive; supports agricultural productivity,
and aesthetic/wildlife benefits of farm land.  Some health
effects may occur if wastewater Is improperly used, although
none are known from existing disposal practices.  New farms
would create a newwater demand in a water-short area, and are
therefore considered an Inefficient use of a scarce resource.

Economic evaluations Indicate that this option Is feasible
for large uses, but cross-contamination must be avoided.
All forms of recycling (D-l, 0-2, D-3) are compatible with
the general goal of efficient resource use.  If recycling
includes sewage now discharged to Rio Grande, agricultural
water shortages would Increase.

Comparatively expensive; raises questions about health risks.
Could provide up to SOX of municipal water demand.
If recycling Includes sewage now discharged to Rio Grande,
agricultural water shortages would increase.
Extremely large supply of water available at cost of
than $1 per thousand gallons.  Environmental Impacts same as
mining (G-l).  State Engineer of New Mexico indicates that
interstate transfer of ground wter from New Mexico is
Illegal; others challenge this Interpretation
(Reynolds, 1978; Moore, 1978).

Estimated to cost $1.19 per thousand gallons for a supply
of up to 3 million acre-feet. (Based on hypothetical
example and limited data).  Would require large amounts of
capital for land, water rights, rlghts-of-way and construction.
Availability of supply uncertain; would dry up existing farm
lands; Involves extensive Impacts from construction of pipe-
line in difficult terrain; large energy costs for pumping.

Similar to E-2, but with much greater dollar and other
costs.  Now being evaluated for Texas Panhandle.  If this
proves feasible, then it night be extended to El Paso.
Has been suggested as means of implementing E-l, with same
obstacles.

Could enhance efficiency of ground water use and extend
life of the local aquifers.
Presently occurring.  Low dollar cost of 15 cents per
thousand gallons.  Salinity of supply will Increase over
time, especially in valley area; land subsidence is possible.
Major concern is that this water is an Important reserve
once it is exhausted, the water-supply problems of the area
will become critical.

Impacts similar to above, except that recharge rate is higher
and storage is less.  Over the long run, more water can be
obtained by balancing withdrawals with recharge than by
depleting the storage.
Existing discharges likely to continue il
future, and increase in volume as City
grows.
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Feasible where large industrial or
recreational use exists in proximity
to a wastewater plant, especially where
wastewater treatment must be advanced to
meet environmental standards.
Feasible where other water supplies tire
costly and/or scarce, especially whe;:e
wastewater treatment must be advanced '
meet environmental standards.
Not feasible unless and until legal
issues are resolved.
Depends upon acquisition of water
and demonstration of economic
feasibility.
NO firm proposals exist; all past
studies have indicated that this option
is not likely to be cost-effective.
Remote possibility at this time.
Despite several proposals for such a
compact, the directly affected partius
have not pursued the option at this ti
Will occur unless local water demand is
drastically reduced, or alternative
supplies are developed.
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Present practice of balancing withdrawals
with recharge is likely to continue.
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                                                                     6-33
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NORTHEAST EL PASO	ENVIRONMENTAL CONSEQUENCES	FINAL EIS


local  food  production and perhaps an increase  in food costs.   It  is possible
that  these  impacts would cause  society to conclude that  the amount of water-
rights transfers should  be  minimized; certainly that is the prevalent attitude
today.

    The complex issues which  are associated with use of the Rio Grande make it
difficult to  predict  the specific role this  resource  will play  in  meeting El
Paso's future water needs.  For  planning  purposes an appropriate assumption is
that  the role will be defined by existing  contracts for  an indefinite period.
Consequently, except  for water  obtained  under  the existing  lease  program, it
is  assumed  that in  the  foreseeable  future there will be no  substantial  in-
crease in the amount of surface water available for municipal use.

    Probable solutions.  The  alternatives in Table  6-8  which do^ appear  to be
viablealthisEime~~are:   conservation  (A-l);  continued  leasing  of  water-
rights land (B-l); desalinization and/or  blending of saline ground water (C-l,
C-2);  wastewater  recycling  (D-2, D-3); imported ground water  from  the  Trans-
Pecos  area  (E-2);  and mining of the  Hueco Bolson  (G-l).   Together  with  the
steady state  supply  available to the  City from  existing  surface water  rights
and  ground-water  recharge,  these  alternatives  represent the  primary  water
resources of  interest in long-range planning.  Except  for water conservation,
all of these  alternatives have  one  or more  significant  drawbacks.   Some  are
expensive,   energy-intensive,   and have  potential  adverse  environmental  im-
pacts.   Examples  include  desalinization,  wastewater  recycling and  importa-
tion.  Others,  such  as  use of river water and the blending of saline  water,
may be less expensive and have  fewer adverse  effects;  however  they  provide a
relatively  small amount  of  water.   Mining of the Hueco Bolson, which provides
the largest and one of  the cheapest resources,  must  be  approached  with cau-
tion.  If this  aquifer  is exhausted before El  Paso obtains adequate alternate
supplies, severe  water  shortages can  be  expected,  with  associated  economic,
social, and environmental disruptions.

    Although detailed evaluation of the  water-supply  alternatives  is  beyond
the scope of a wastewater plan and EIS, a simple analysis can  be performed to
indicate the  probable strategy  which  El  Paso will adopt.   This analysis is
based  upon  Figure 6-10.   The figure  provides  a forecast  of  the  cumulative
water requirements for the  City  in the period  1980-2050.   The  projection is a
linear extension  of  Table  6-5.   A  total  of 14.5  million acre-feet  of  water
must be obtained during  the 70-year  period.  Figure 6-10  also  illustrates  the
amounts of water which can be obtained from the available alternatives.

    1.  The steady state water  supply  is  assumed  to  be 35,000  acre-feet  per
    year (Table 6-4),  which would provide  16.9  percent of  the projected  demand
    (2.45 million acre-feet).
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    2.   Water conservation  is  assumed to maintain the projected  1980 per cap-
    ita demand at  210  gallons  per day;  if  such conservation can  be obtained,
    9.6 percent of the projected demand would never occur  (1.34  million acre-
    feet) .   Conservation is not a water supply as such, but  is  included in the
    figure   to illustrate   its  quantitative  significance.   Refer to  Section
    7.2.2.  for a  discussion of the potential benefits of greater conservation.

                                      6-34

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NORTHEAST EL PASO	ENVIRONMENTAL CONSEQUENCES	FINAL EIS


These  limitations do  not  affect the  validity of  the computer  model  for
purposes of generalized interpretations of hydrologic  impacts.

    The  most useful  long-term  simulation  for assessing  HBRP  impacts is
that  which involves:   recharge of  8,950 acre-feet  for  10 years  in  four
injection  wells;  recharge  of 11,770 acre-feet  for  the second  10 years in
the  same wells;  pumping  of 33,000  acre-feet/year  for the  first 10 years
from  existing  wells;  pumping  of 43,000  acre-feet/year  for the  second 10
years  from existing  wells.   A  20-year  project life is used here  for analy-
tical  purposes  only,  and presumes  that a  new treatment and disposal system
would  be implemented  after  20  years.  Conditions  which result  from  this
simulation include the following:

    1.  A  mound in the water table would build up near each recharge well,
    and would have a maximum height of about 5 to 10  feet  after 20 years.
    (This  is about  half  the  drawdown typically experienced  near  pumping
    wells.)

    2.   The  water table  in the Bolson  as a  whole  would continue  to de-
    cline,  but  in   the  area  of recharge  the  decline  would  be  slowed.
    Without  recharge the decline  would probably be  55  feet  between  1978
    and  1998;   this  is similar  to  the  prediction  of  a  48-foot  decline
    between 1973 and  1991 made by  Meyer (1976).   With recharge the decline
    would be reduced to about 35 feet  over an area of  15 square miles.

    3.  As  shown in Figure  6-11,  the  general shape of the  water table in
    1998, assuming recharge, would be  similar  to  that which now occurs ex-
    cept for the mounds near recharge  wells.

    4.  The combined  effect  of water-table  decline  near  pumping wells  (and
    in the Bolson as a whole),  and  mounds  near  recharge wells, would be a
    marked increase  in the water-table gradient  and  an associated increase
    in average  velocity of  ground-water flow.  Table  6-10  lists  the velo-
    cities which are  predicted  for  a range  of short-term (one-year)  condi-
    tions.   For the  long-term  conditions  specified  at  the beginning of
    this paragraph,  an average  velocity  of 300  feet  can  be  predicted if
    gradients are as shown  in Figure  6-11.   This velocity  is  about three
    times as great as the natural velocity in the absence of recharge.

    The prediction that recharge would cause an  increase in flow velocity
to 300 feet per  year probably  understates  the  actual increase in   flow
because:    a)  the model  did not simulate  the  steep  water-table gradient
which occurs near individual pumping wells; and b) it  did not  simulate the
more rapid flow which would occur  in  those  layers of the  aquifer contain-
ing the most permeable material.  For  this EIS a worst-case prediction of
flow velocities has  been made using the following assumptions:

    -hydraulic   conductivity  of  100  square  feet  per  day  (compared  to an
    average value of 30 to 50 feet  per  day);
                                      6-40

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   NORTHEAST EL PASO	ENVIRONMENTAL CONSEQUENCES	FINAL EIS


       The  third  benefit of the HBRP  would occur if the  project  proves as cost-
   effective as projected in the facilities plan, and if  environmental  and water-
   supply  conditions are as  forecast in  this  EIS.  In  this case,  the project
   would  serve as a prototype  for  expanded recycling which could provide from 25
   to  50 percent  of El Paso's  long-term water-supply needs.

       Other Changes.   Some minor permanent changes to  drainage  may be necessary
   in  order to flood-proof the site.  These changes are illustrated in Figure 22
   of  the facilities plan,  and would involve construction  of a  dike which would
   divert some runoff from the drainage  area upstream of the treatment  plant into
   the drainage area  southwest of the site.  During project design, flood protec-
   tion measures  will also  be considered  for well  sites.  Figure  6-3  (p.  6-10)
   illustrates a  possible  layout  of  recharge wells, and identifies  areas where
   flood problems are known  to  occur.  It should be possible to site all wells in
   areas where flooding  is not  a hazard.

       The  recharge  process can lead  to physical changes in  an  aquifer,  such as
   clogging.   As  analyzed in PSB  (1979),  and summarized  in the EIS  (see p. 6-46),
   these impacts  are expected to be  very  small.

       Waste flows to the Northeast  plant would  be reduced by 0.6 million gallons
   per day  in  the year  2005 as the result  of a  flow reduction program which is to
   be  incorporated into  the HBRP.   The  program would  include  public  education,
   use of  building  codes  requiring  installation  of water-saving  fixtures,  and
Imodifications  to  rates  and rate  designs.    Refer  to  Section  7.2.2.  for  a
I	discussion  of  the potential  for a greater reduction in wastewater flows.


   6.3 AIR AND SOUND QUALITY

   6.3.1  Existing Conditions

       Carbon  monoxide,   photochemical oxidants  and  total  suspended particulates
   occur  in concentrations  which  exceed  air-quality  standards  in parts of  El
   Paso.  Figure  6-12 shows locations where  particulate levels exceed standards.
   Excessive levels  of  carbon  monoxide   occur over the  same  area.   The  oxidant
   problem is  citywide.   Table 6-14 lists Federal standards for ambient air qual-
   ity, and  summarizes  data from the  only  monitoring site  in  Northeast El Paso.
   Standards are  being  met in  the Northeast, although  the secondary standard for
   particulates is equalled.   Automobiles are a  major source  of  air pollution in
   El  Paso.   Industrial  sources  are also  significant  in the Northeast,  and in-
   clude a rock quarry,   gravel  pit  and large power plant.   Plans  have been devel-
   oped to deal with  the major problems  through  controls on automotive and indus-
   trial emissions.  It  is anticipated that nitrogen oxide levels may continue to
   increase in the Northeast due to the presence of the  power plant and growing
   automobile  traffic.   Particulate  levels will  also  remain  high  due to  dust-
   storms.

      Odors do not  appear  to  be  a problem  in  Northeast El Paso.   There are no
   residences  in  the vicinity of the Northeast ponds,  and there are no complaints
  on record concerning odor from this facility.

                                        6-48

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   NORTHEAST EL  PASO	ENVIRONMENTAL  CONSEQUENCES	FINAL EIS


       Major noise sources in  the  region include the  interstate highway and in-
   ternational  airport.   In most of the Northeast area,  noise levels can be ex-
   pected  to be  typical of residential  areas (30-60  decibels).  The wastewater
   treatment plant is  remote  and  quiet  except  for  the sounds  of abundant bird
   life, a  few pumps  and an occasional  military convoy.

   6.3.2  Impacts of  HBRP

       Construction of  the  HBRP would produce  temporary alterations in vegeta-
   tion,  drainage  and  erosion,  air  quality,  sound quality  and  traffic.   For
   convenience,  all these short-term  impacts are listed  together  in Table 6-15.
   The table also identifies  mitigating measures.  The  impacts  are considered
   small because:  a) most construction will occur in undeveloped  areas  which are
   relatively remote  from  populated areas  and  b)  the changes  in  environmental
   conditions will be very brief  and comparatively easy  to control.or  mitigate.

       Odors would not be expected  to  be a problem at  any  properly designed and
   operated treatment plant built at the Northeast  site.   The remote location of
   the site,  which is generally downwind  of developing areas, would help minimize
   odor impacts  from  occasional plant upsets.


   6.4 BIOLOGY

   6.4.1  Existing Conditions.

       El  Paso  is in  the Lower  Sonoran Life Zone (Chihuahuan Desert  Aspect).
   Each natural  region has a  characteristic suite  of  plants  and  animals (Table
   6-1).  The ponds at  the Northeast Sewage Treatment Plant provide the only sig-
   nificant  wetland habitat  in the  Northeast,  and  one  of the  largest such habi-
I   tats in  El Paso County.   Detailed  information on the  biology  of  the site is
j	limited  to bird sightings  by  the El Paso Trans-Pecos Audubon Society,  and to
   ecological observations made  by  society members.  Zimmer  (1978)  reports that
   the ponds are  an important site  for wintering,  summering and migrating water-
   fowl and  shorebirds.  Table 6-16 is  a list  of  birds  observed  at the ponds.
   The list includes  the endangered peregrine  falcon and  rare birds  such  as the
   prairie  falcon,  Mexican duck, masked  duck,  ferruginous hawk,  white-faced ibis
   and olivaceous cormorant.   The ponds are the  only known  summering site in the
   area for American avocets  and blacknecked  stilts (nesting is  suspected)  and
   for eared grebes and black  terns.   Ruddy  ducks  and  common  gallinules nest at
   the site  in larger numbers than elsewhere in the county.

       The  ponds  represent a  diverse habitat and include:   deep  water with rocky
   shores;   shallow  water  with  sandy  beaches;  and swampy areas with abundant emer-
   gent vegetation  (including  some cottonwoods).  Though all  ponds are used,  the
   most popular   is the southeast  overflow area which  provides the  best cover.
   Most of  the  nesting and 80  percent  of the sightings occur  in this area.   The
   reliable  water  supply  also makes the ponds of value  to other  native desert
   wildlife  and  their predators  (Riley,  1978).  Common species  of mammals,  rep-
   tiles,  and amphibians likely  to frequent the ponds  are  those  listed for the


                                        6-51

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 TABLE 6-16.  LIST OF BIRDS RECORDED AT FT. BLISS (NORTHEAST EL PASO) SEWAGE PONDS.  Key to symbols:  A « abundant;  normally
'present in large numbers in proper habitat.  C • common;  normally present in moderate numbers in proper habitat,  FC »
 fairly common;  seen most of the tine in smaller numbers.  U * uncommon;  seen irregularly in small nurebers in appropriate
 envii-onuent.  R = rare;  occupies only small percentage of preferred habitat, or a specific limited habitat;  usually
 seen only by experienced observers.  * « nesting species.  Source:  Ziuner, 1978.
                              Summer  Fall  Winter  Spring
                                                                                                      Summer  Fall  Mincer  Spring
Avocet, American
Bittern
American
Least
Blackbird
Brewer ' s
Red -winged
Yellow-headed
Bobolink
Bunting, Lark
Coot, American
Cornorant
Double-crested
Olivaceous
Cowbird, Brown -headed
Cuckoo, Yellow-billed
Curlew, Long-billed
Dove, Mourning
Dowitcher. Long-billed
Duck
American Wigeon
Bufflehead
Canvasback
Gadwall
Lesser Scaup
Mallard
Masked
Mexican
Northern Shovelet
Pintail
Redhead
Ring-necked
Ruddy
Eagle, Golden
Egret, Cattle
Falcon
Prairie
Peregrine
American, Kestrel
Finch, House
Flicker, Common
Flycatcher
Ash- throated
Western Wood Pewee
Willow
Gallinule, Common
Godtfit, Marbled
Coldfinsh, Lesser
Crackle, Great-tailed
Grebe
Eared
Western
Pied-billed
Grosbeak,
Black-headed
Blue
Gull
Bonaparte1 s
Franklin
Herring
Ring-billed
Hawk
Cooper's
Ferruginous
Marsh
Red-tailed
Sharp-shinned
Swainson ' s
Heron
Black-crowned night
Great blue
House Sparrow
Hummingbird, Black-chinned
Ibis, White-faced
Junco, Dark-eyed
Kingbird, Western
Kingfisher, Belted
Kinglet, Ruby-crowned
Meadow I ark, Western
Merganser, "ed-breasted
Mockingbird
Nighthawk
Lesser
Oriole, Northern
U





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                                                                        Say's
                                                                      Pipit, Water
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                                                                        Killdeer
                                                                        Semi-palmated
                                                                      Pyrrhuloxia
                                                                      Quail
                                                                        Gdmbel
                                                                        Scaled
                                                                      Rail
                                                                        Virginia
                                                                        Sora
                                                                      Raven, White-necked
                                                                      Readrunner
                                                                      Sandpiper
                                                                        Baird's
                                                                        Semi-pal mated
                                                                        Solitary
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                                                                        White- ruitped
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                                                                      Snipe, Comon
                                                                      Sparrow
                                                                        black-throated
                                                                        Cassin's
                                                                        Chipping
                                                                        Lark
                                                                        Lincoln's
                                                                        Savannah
                                                                        Song
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                                                                        White-crowned
                                                                        White-throated
                                                                      Starling
                                                                      Stilt, Black-necked
                                                                      Swallow
                                                                        Bank
                                                                        Barn
                                                                        Cliff
                                                                        Rough-winged
                                                                        Tree
                                                                        Violet-green
                                                                      Tanager, Western
                                                                      Teal
                                                                        Blue-winged
                                                                        Cinnamon
                                                                        Green-winged
                                                                      Tern
                                                                        Black
                                                                        Forster's
                                                                      Thrasher
                                                                        Crissal
                                                                        Sage
                                                                      Towhee
                                                                        Brown
                                                                        Green-tailed
                                                                      Turnstone, Ruddy
                                                                      Verdin
                                                                      Vulture, Turkey
                                                                      Warbler
                                                                        Wilson's
                                                                        Yel low-rumped
                                                                        Yellow-throat
                                                                      Willet
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                                                                      Wren
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                                                                        Cactus
                                                                        Long-billed marsh
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                                                                            6-53

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 NORTHEAST EL PASO
ENVIRONMENTAL CONSEQUENCES
FINAL EIS
Hueco Bolson in Table  6-1,  including  badgers,  deer,  coyote and bobcat.  So far
as  is known the ponds contain no fish.

    Major  riparian (riverside) habitats  occur elsewhere near El  Paso County.
Regional wetlands  include (all to the north,  unless otherwise noted):  Bosque
del Apache National Wildlife Refuge  (130 miles away),  a  major  wintering area
on  the Rio  Grande  that accommodates  about  80,000 birds  annually;  Elephant
Butte Marsh Habitat Management Area and  Elephant Butte  and Caballo Reservoirs
(75  to 115 miles); numerous  salt lakes  and  flats frequented by shorebirds
(within  100 miles);  and  to the  south   in  Mexico   the  Rio Carmen, Laguna  de
Patos, and several  large ephemeral lakes  (75 miles).

    Extensive riparian habitat  once occurred within  El Paso County, but is now
much diminished when compared to  conditions  early  in this  century.   Prior  to
channelization of  the Rio Grande  in  the 1930's, the effective  floodplain was
one or  more miles  wide  and contained many  seasonal marshes  and  swamps,  with
associated emergent vegetation.  Channelization, and  drainage through irriga-
tion works, has eliminated most of these  features.   Although there are no data
available  regarding the magnitude  of the original  habitat,  a  rough  estimate
can be made by assuming a mile wide area  on  each side of the river, for the 55
mile length  of the river through El  Paso County.   On  the Texas  side  of the
border this would represent 35,200 acres of habitat.

    Although such  habitat is  now  absent in  the  downtown area, it does exist
(in modified  form)  in  the  upper and  lower  valleys.   Most  such habitat  is
confined within  the  river  levees,  in thin strips  averaging about  500  feet
across and amounting to  perhaps 1200  acres  (Smartt,  1980).   Within or adjacent
to the habitat are  salt  cedar,  willow and cottonwood trees.  A few small ponds
with emergent,  marsh-like vegetation  occur,  such as  the Rainbow  Lakes oxbow
area near  Anthony,  in the  upper  valley.   In  combination,  the levee  and ponds
provide habitat which is suitable  for  most  of the  bird species  found  at the
Northeast  Pond.  For example, migrating  shorebirds  are able  to  use  the sandy
banks of the river during the  low-flow  season, while migrating  waterfowl are
more  common  when  the  river  bottom  is  covered  by  water.   However,  the
levee/pond habitat  is certainly limited  in  total area,  and  does  not provide
the yearround combination of wading  and  nesting opportunities which  exist  at
the Northeast Ponds.

    Additional  riparian   habitat   exists  along  the   1,000  miles   plus  of
irrigation  canals,  laterals  and   drains  in  El Paso  County.    The Bureau  of
Reclamation has  estimated  that there are  23  square  miles (14,720 acres)  of
such features in El Paso County.   A Bureau ecologist indicates the presence  of
emergent  vegetation  makes  the canals   and  drains more  suitable  than  the
laterals as wildlife habitat (Schraeder, 1980).   Frequent use by  varied bird
populations (especially  migrating  ducks  and  wading  birds)  is reported  and
occasional nesting has been observed (see Table 6-1).

    On balance,  it appears  that  the  total  amount  of  riparian  habitat  in  El
Paso County is less than half the historical  amount (35,200  acres versus the
present 14,720 acres in  the  irrigation system,  1200  acres along the river, and
                                      6-54
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                Listed Species:  Peregrine  falcon (Falco peregrinus); not  known  to nest in
I              area, though may be present as a migrant.

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I  482 acres at the Northeast  Ponds).   The Rainbow Lakes and Northeast Ponds pro-
  vide  the most  diverse  habitats.   Additional large-scale  riparian areas exist
  elsewhere in  the  County, such as in areas of  bosque  (salt  cedar) vegetation,
  and at  the  sewage ponds at  PSB's Socorro treatment plant.  However, producti-
  vity  of the  local  riparian  sites  is limited by  several  factors.   The river is
  lined with  concrete in  places,  has been  under  study for channelization down-
  stream,  is frequently dry,  and preserves little of its original mix of wetland
  and bosque  vegetation.   Irrigation  drains and  canals provide  a  the most con-
  sistent  and sheltered water supply, but  are subject  to  disturbance by routine
  maintenance;  the  canals are dry outside  of the  growing  season.   The Socorro
  ponds are  large but lack  the vegetation,  remoteness,  and  variety  of habitat
  that  would  attract  large  numbers of  waterfowl or shorebirds  (Zimmer,  1978).
  Of the  bosque  areas, Rio Bosque  Park may be  the most significant  due  to its
  relatively rural location and proximity  to open water.

      On  balance,  there  is little  yearround habitat which  provides both wading
  and nesting  opportunities  for  shorebirds  and  waterfowl.   Only  the Northeast
  Ponds and  the  Rainbow  Lakes can be considered  as  providing such  habitat  in
I  significant amounts.

      Threatened  or  and Endangered Species.   In  accordance  with  Section  7  of
  the Endangered  Species  Act, as amended,  EPA has requested  that  the  U.S.  Fish
  and Wildlife Service identify any plant  or  animal species in the area that is
  listed,   or proposed for listing, as endangered  or  threatened.   The  FWS  list
  was provided to EPA on October 12, 1979, and is as follows.
      Droposed  Species:  Coryphantha scheeri  var.  uncinata;  found in  the rocky
      hills of  the Chihuahuan Desert.   C.  sneedii var.  sneedii;  known to occur
      on limestone ledges of the Franklin Mountain desert and grassland areas.

      Critical Habitat:  none.

  A survey of available  information  indicates that the peregrine falcon has been
  sighted at  the ponds, and  that C.  sneedii does not  occur within  the Bolson
  area (Champie, 1980).  State, Federal  and  private biologists familiar with the
  wasterwater ponds  and Northeast El  Paso  are unaware  of any  other  endangered
  species  that   frequent  the  area  (Rische,  1978;   Riley,   1978;   Von  Finger,
  1978;  Zimmer, 1978).

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 NORTHEAST EL  PASO
ENVIRONMENTAL CONSEQUENCES
FINAL EIS
 6.4.2  Impacts of  the HBRP

     Construction  of the  HBRP or any  other alternative would  involve distur-
 bance of  vegetation; this impact is summarized in Table 6-15.

     Because  the  prime habitat  at  the Northeast site  is  associated with over-
 flow ponds, which  must be eliminated  to  prevent  pollution,  the HBRP would sub-
 stantially reduce  the  biological resources which presently  occur  in the area.
 Once the  project  is operational,  any  ponding area which  remains  will be small
 and  much modified by  construction and  maintenance  activities.   Consequently
 the  site will no  longer  support  any wildlife  other  than  species  which  are
 typical  of the desert  environment.   Reduction  or  elimination of  the wetland
 habitat will have  the following consequences:

     -animals dependent on the habitat and  unable to  migrate to other habitats
     (such as amphibians) would die;

     -animals dependent  on the habitat but able to migrate  would be displaced
     to  other  locations in  West Texas,  southern New  Mexico,  or  beyond (this
     includes most  of the species found at the site);

     -because there is little other  wetland  habitat  in  El  Paso  County,   and
     that  habitat  (Rio  Grande Valley)  is declining due  to urbanization,  few of
     the   displaced individuals  would   relocate in   the  immediate  El  Paso
     vicinity, and  local wildlife populations would thus decline;

     -because comparable   habitat  is  generally   available  in  the  region,  the
     elimination of habitat  in Northeast  El Paso would  not  cause a significant
     decline in the  total number of individual animals found in the region;

     -no species would vanish entirely from the region;

     -informal recreation  (bird-watching, hunting)  at  the treatment plant site
     would cease.

No mitigation  measures  are  proposed  which  would  offset  the impacts  listed
above, for reasons which are discussed in Section 5.A.I.

    The biological value  of  the ponds depends  to  some extent on  the scale of
concern.  Regionally,  much  land has  been  set  aside,  either  directly  or  in-
directly, for the  use of  birds  and other wildlife,  and the significance of the
Northeast  ponds  is  small by comparison.   Locally,  the  ponds offer a  more
diverse  and  effective  habitat than  available  elsewhere  in  El  Paso  County.
According to  state and  federal Fish  and  Wildlife  personnel  (Rische,  1978;
Riley,  1978),  while the ponds  are  very  valuable   to  local  waterfowl  and
shorebirds, they  do not provide a habitat  which  is  critical  to the maintenance
of aquatic bird populations in the region.
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      The  significance  of the  lost habitat is difficult to evaluate because eco-
  logical  productivity  and diversity provides  benefits  which are largely intan-
  gible.   The following considerations bear  on the judgement as  to whether the
  impacts  of  habitat loss are  'acceptable1.

      1.   Regionally significant  wildlife habitats  no longer  occur in  the  El
      Paso vicinity, but  do occur  within  130 miles (e.g.,  Bosque del Apache, New
      Mexico).

      2.   Only  a  small acreage of  bosque and  surface  water in  the  Rio Grande
      Valley  of  El Paso  County is  permanently committed to  maintain wildlife.
      Urbanization  and  water-table  lowering are  causing  continued loss  of re-
      maining habitats  in the area.

I      3.   The decision  to use  water resources  to support  urbanization rather
      than wildlife  appears to be a  conscious one; certainly this  question was
      explicitly discussed as  part of public input  to  the EIS,  and the majority
      of comments  favored urbanization in  the specific case being evaluated.

      4.   The elimination of ecological  productivity in favor  of urban produc-
      tivity  is  consistent with  some provisions  of the  National Environmental
      Policy  Act (NEPA) and inconsistent with others.

      5.   The amount  of water needed to  maintain 100 acres of  ponds  is  0.656  of
      the  wastewater which could be  recycled by the year 2030 (120,000 acre-feet
      per  year) .

      NEPA permits  the  public to  make  a  conscious choice to  sacrifice  some as-
  pects of environmental  quality  in  order  to meet other objectives of  society.
  Public input  to the  EIS indicates that  dedication  of resources  to urban use
  rather than to wildlife is supported  by a majority of area  residents.   Such a
  decision would  give  highest  priority  to the  provisions  of NEPA  which favor
  enhancing "the  quality  of renewable  resources"  (Section  101(a)(6)),   and the
  achievement  of  a  "balance  between  population and  resource   use which  will
  permit  high standards   of  living  and   a  wide  sharing  of  life's  amenities"
  (101(a)(5)).  The  public  input  indicates  that  such  recycling is  explicitly
  considered  as  fulfilling "the responsibilities  of each  generation  as  trustee
  of the environment  for  succeeding  generations"  (101(a)(l)), because water and
  not wildlife  is  considered  to  be the most  critical environmental  resource
  which requires protection.  The  decision  would not fulfill  the NEPA objectives
  to "preserve important  ...  natural aspects"  of the  environment  (101(a)(4)),
  and would not support "the widest  range of beneficial uses of  the environment"
L1
      The overflow  ponds  (at  least the  one  on Ft.  Bliss)  represent a  wetland
  environment.  Even  though the  environment is  man-made and  has nuisance  as-
  pects,  it  is the  interpretation of  EPA  that NEPA  and Executive Order  11990
  (see p. 3-3) require mitigation of the  wildlife  impacts of a  recharge  project,
  if practicable.   As discussed in  more detail  in  5.4.1,  mitigation is not prac-
  ticable in the specific  case under  consideration,  because:  a) the  use  of  the
                                       6-553.

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   Northeast ponds  as a  habitat area  has  drawbacks;  b)  alternative  sites  for
   replacement  habitat are not available  within  the project area; and c)  actions
   taken to  diminish  the water  supply  benefits of  a recharge  project  are con-
   sidered  to  reduce  the  cost-effectiveness of  the  project,   and  have  a  net
   adverse environmental  impact.

       Elimination of  the ponds  would  eliminate potential  adverse  impacts from
   mosquitoes and  diseased wildlife.

       Endangered  Species.  The  proposed  endangered  cactus  species,  £. scheeri,
   which could  occur within the  Bolson, is  so widely dispersed  that construction
   would have no measurable effect (Champie, 1980).

       A biological evaluation  was  performed regarding potential impacts  of  a
   recharge project on the  peregrine falcon.   The  evaluation  is summarized in  a
   letter from  EPA  to  FWS which  is  reproduced  in Appendix  I  (Appendix pages 24
   and  25).   The  evaluation  determined that the Northeast ponds  represent  margin-
   al habitat which  would  be  used only occasionally by the falcon, primarily as  a
   temporary feeding and/or resting  station,  and that  it  contains no habitat of
   importance to nesting.   On this basis, EPA determined that  a  recharge  project
   such as Case 6, which would eliminate the  habitat, would  have no effect on  the
   peregrine falcon.  On  May 5,  1980,  the acting  regional  director of  FWS  re-
   sponded to the  EPA  letter and stated that  "I concur  with  your finding that  the
   proposed project  is  not likely to have  an effect upon Federally listed  species
I...".   The FWS  letter is reproduced on Appendix page  24.

   6.5   ARCHEOLOGY/HISTORY

   6.5.1  Existing Conditions

       Humans have lived in the  El  Paso region  for several millenia.  The earli-
   est  inhabitants who left  traces were pueblo  and nomadic Indians.   They were
   followed by  Spanish colonists  and the  first  permanent European settlement, in
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   1682.  There  are numerous  sites  of  recognized  archeological and  historical
   importance  in  the area,  as described  in  PSC (1975)  and WTCOG  (1976).   Most
   sites are in the valley.  Some archeological  remains are  found in Northeast El
   Paso as well.

   Specific  studies have  been  undertaken to  identify  possible resource  sites
   which would be  impacted by construction of  the  HBRP.   Reconnaissance  and  in-
   tensive archeological surveys  have been made  of the Northeast plant.   Gerald
   (1975) found three  possible sites near  Pond No. 1  during a  walkover  survey.
   The  first was  130 by 230  feet,  encompassing  five concentrations  of potsherds
   which appeared  to be from  the Mesilla  Phase of the  Mogollon Culture  (about
   800-1,000 A.D).   The second site  was  a  fire-fractured  rock hearth,  mostly
   buried  and  probably prehistoric;   scatterings  of  purple  glass  were  also
   found.  The third  site  resembled the  remains  of an  ancient pueblo,  115  by 16
   feet.  Shortly  after the Gerald  walkover,  a  more  intensive  survey was  per-
   formed  by  the  Texas  Department  of  Survey  Archeology   (Lynn,  1976),  which
   included recovery of surface artifacts  and subsurface  sampling.  This  survey
   revealed that  the possible  pueblo  site was  not a  former habitation (Gerald,
   1978).

       Northeast  El Paso is thought to contain a fairly high density  of  prehis-
   toric sites (Davis,  1978).   At  present the El Paso  Centennial Museum  and  the
   El Paso  Archeological  Society are  conducting a  walkover survey  of  the  newly
   annexed area in anticipation of development  pressures.  Upon completion of  the
   survey,  a map  will  be available  locating  major  sites in  the  Northeast.  Past
   finds in  the Trans-Mountain Road area  and  along U.S. 54 include rock art,  a
   pit house,  and  room  complexes of the Mogollon Culture.

       The Texas  Department of  Water Resources (TDWR)  has conducted  a  reconnais-
   ance survey of possible pipeline routes and  well  sites  which would be dis-
   turbed if the  HBRP is constructed  (Whitsett  and  Fox,  1979).  Of  several  arch-
   eological sites  located,  two which  were identified as  possibly  eligible  for
   the National Register of Historic Places were  found to be  in conflict with  the
   HBRP.  One is  an El Paso Phase complex,  first  recorded  in 1964, which includes
   ceramics,  hearths  and  the  (now-destroyed)  remains  of  a small  pueblo  (site
   41EP8).   The site is greatly  disturbed by past construction,  although some
   relatively intact areas  remain.   The second site  is  an  oval,  500  by  230  feet,
   containing ceramic  and   lithic  remains  from the Mesilla and El  Paso  Phases
   (41EP319).

   6.5.2  Impacts  of HBRP

       No sites  eligible  for   inclusion  in  the National  Register   of Historic
   Places occur within the  area to  be affected by  plant  construction.  A  letter
   to this effect  issued by Robert J. Mallouff of the Texas  Historical  Commission
I   is included  as  Part  4 of Appendix  I.   However,  a walkover survey by TDWR  of
1   the areas to be impacted by  pipeline  and well  construction  and  access  roads
   shows that the  areas  do contain  such  sites.   The TDWR  recommends that  meas-
,   ures be taken  to protect the  sites 41EP319 and  41EP8,  which are  potentially
{	eligible  for the National  Register (Whitsett  and Fox,  1979).  Prior to con-


                                        6-57

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r.
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struction,  proposed  pipeline routes, access  roads and and  well sites  in  the
vicinity  of the two sites  should be staked  out  and inspected  by  a  qualified
archeologist.   Provisions  should be  made  for  either  mechanical  or  manual
testing,  as required by  the archeologist, so  that eligibility may  be deter-
mined,  and any  further  necessary  mitigative  measures  may  be defined.   Ad-
ditionally, if any significant  resources  are  identified  during construction,
work will be halted, the  SHPO  will  be contacted and the ACHP  will  be afforded
an  opportunity  to comment,  if  appropriate.  The Interagency  Archeological
Services will  be notified,  pursuant to the Archeological  and  Historic Preser-
vation Act (Section 3(a)).
      It  is  anticipated  that  the  routing  of  pipelines  and  the  siting  of
  injection  wells  will be  flexible within  limits.   If  archeological  resources
  are found  during the surveys,  minor rerouting  or  resiting  would be feasible.
  However,  because  specific  impacts  cannot  be  obtained  at  this  time,  an
  archeological  clearance  from  the  SHPO will  not  be sought  until the  grant
  conditions are in effect.
  6.6.  50CIOECONOMICS; LAND USE

  6.6.1  Existing Conditions

      Population.  Figure  6-13 provides information  on  the rapid growth  of the
  El  Paso-Juarez metropolitan  region,  which  now  contains  more  than  1  million
  persons.  The  figure also projects  population  through  the year  2000, when more
  than 1.8 million residents are  expected  to be  in the  area.   WTCOG  (1977) pro-
  vides  a similar  projection  for use  in  wastewater  planning,  and  estimates
  638,100 residents  in El Paso in the  year 2000.   Northeast  El Paso has been
  growing somewhat  more rapidly  than the city  as  a whole,  but less than the
  Northwest and  Southeast  sectors.   A population of  130,000 persons  is expected
  in Northeast El Paso by the year 2000.
                                        6-58
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      -The agricultural use (dairy) northeast of the 1976 City limits has ceased
       and the land is reverting to open space.

  Elsewhere in the City,  major  trends include the continuing conversion of agri-
  cultural land  in the  lower  valley to residential uses, and the rapid expansion
  of  residential development  in the  southeast sector between Interstate  10 and
  U.S. 62-180.

      The  acreage in different  land uses  in  the Northeast is given  in EPDPRD,
  1977.  Compared to  the  city as a whole,   the Northeast  has a  higher percentage
  of  vacant  land and lower  percentages  of  industry,  public,  and recreational
  acreage.  The  recent annexation  of  land northward  to  the New  Mexico border has
  greatly  increased  vacant land in  the Northeast (to 45,504 acres);  and  is the
  major portion  of the developable acreage  within City limits.

      Much of the recent  development  has been on Hueco Bolson land, a trend that
  El Paso planners feel "should  be encouraged" (EPDPRD,  1978b).   The Bolson por-
  tion of  Northeast  El Paso  is particularly  suitable  in terms of its physical
  environment.   In addition  to the  large  amount of  readily  developable  land
  available  in   large parcels (most  owned  by the Public Service  Board),  other
  features in  the Northeast  are expected  to make it  more  attractive.  For ex-
  ample, the extension of the  North-South Freeway will eventually  cut  across
  presently undeveloped land  allowing reduced travel time within  the  sector and
  to  the downtown area.  The development  of Castner Range  into  an educational/
  recreational/commercial complex will  provide a  focal  point or hub for the area
  (EPDPRD,  1978d).   The  establishment  of  manufacturing in  the Northeast  indus-
  trial parks could provide local  employment.  The combination of  all the above
  factors  is expected  to return  the Northeast growth  rate to higher pre-1970
  levels.

  6.6.2  Socioeconomic and Land Use Impacts of HBRP

      Water-supply benefits of the HBRP were  discussed  in Section  6.2.6,  and are
  a principal objective of the project.  About 192,500  acre-feet  of water would
  be  provided  to  the municipal system.   This water  has an  economic value  of
  between 1 and 30 billion dollars (using assumptions given in Table 6-9).

      The  investments made to  build  and  operate the  HBRP  will   stimulate  the
  local and regional  economy  by  providing construction  jobs, a  market for energy
  and chemicals  and 40 permanent jobs.   Many of these jobs  will  require highly-
  skilled personnel.   Alternatives such  as river  discharge would  have  impacts
  similar in type, but less extensive.

      The cost  of the  facilities  will be  borne by Federal grants and  utility
  rates.   For the HBRP, the  average monthly utility bill for a typical El  Paso
Iresidence would increase by  $1.02  when  compared to  rates which would  occur
  from the  river  discharge option.  This estimate  assumes 65 percent EPA funding
  of capital costs; the actual  funding is  expected to  be in the range of 55  to
[_65  percent.   A substantial portion  of   the bonding  capacity  of the  Public
  Service Board will be required to provide the City portion of the construction
  funds,  possibly limiting the ability to generate capital for other projects.

                                        6-62

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              TABLE 6-20.  PRELIMINARY EVALUATION OF HUECO BOLSON RECHARGE PROJECT.
Suoporting information is provided in Appendix H.
   Criteria
Characteristics of Hueco Bolson Project
Source Control   Only domestic waste would be recycled; tests
                 show the sewage to be very weak.

Treatment        Eoual or exceeds technology applied elsewhere;
 Technology      effluent should be low In organic carbon and
                 nutrients and free of biological contaminants;
                 total mineral content would be reduced slightly.

Additives        Reclaimed water similar to natural water.
                 Would contain more organics than natural water.
                 Dissolved solids, sodium would increase 1.55S
                 after dilution by ground water.

Standards        Expected to meet all existing and proposed
                 standards.

Risk Data      Q_ess than one increased cancer death per 100,000
                 persons per year, which is not detectaole.
Toxicity         Effluent from limited H6RP pilot plant,
                 diluted with Bolson water, is not mutagenic;
                 undiluted effluent was.  The nature of the
                 mutagenic substances is not known and it is
                 not known if such substances would remain in a
                 completely processed wastewater.

Dilution and     Reclaimed water would be diluted about 20:1 by
 Time            Bolson water; would be 2-15 years before water
                 reaches wells.

Benefits;        Beneficial as prototype for large-scale re-
 alternatives    cycling to provide needed water supplies.
                 Alternative water supply options are difficult,
                 expensive.  Alternative wastewater disposal
                 options have comparatively few risks but do
                 not significantly alleviate the City's ultimate
                 water shortage.
Evaluation
                                                    very Favorable


                                                    very Favorable




                                                    Favorable




                                                    Very Favorable
                                                    Favorable, based
                                                    on public input
                                                    Favorable
                                                    Favorable
                                                    Vary Favorable
                                         6-75

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  trace levels.   It  is  not  certain that these contaminants would indeed increase
,—health  risks  associated with El Peso's water  supply.   If risk does exist, the
  meager  data  now available  suggest  that the  risk  would  be  significantly less
  than  1  increased  death  per  100,000 persons  per  year, which  would  not  be
  detectable through any  available (or  foreseeable) monitoring technique.

  6.9.   UNAVOIDABLE   ADVERSE   IMPACTS,   SHORT-TERM   USE   VERSUS   LONG-TERN
  PRODUCTIVITY, AND IRREVERSIBLE AND IRRETRIEVABLE RESOURCE COMMITMENTS

  6.9.1  Adverse  Impacts  Which Cannot Be Avoided

      Minor amounts  of  noise, dust,  soil and  drainage  disturbance  and interfer-
  ence with  traffic  would  result  from HBRP construction  and  cannot be avoided.
  The most significant  and  major long-term  adverse impacts include:  an increase
  in  salinity  levels  in the  Hueco  Bolson  and  in the El Paso water  supply;  a
  substantial commitment  of energy and chemical  resources; a substantial commit-
  ment of financial resources  which  cannot be  used for  other  investments; the
  production of a small  amount of solid  waste  material  to  be disposed  of  by
  landfill;  and  the elimination of a wildlife  habitat  at the Northeast plant
  site, with a corresponding  reduction in the  ecological  productivity and diver-
  sity of the area.  The project could also have an adverse public health impact
  if  reclaimed  wastewater  is found to contain  substances which  cause  chronic
  health problems.

  6.9.2  Short-term Uses  of the Environment Versus Long-term Productivity

      The purpose of the  proposed  action  is  to promote long-term productivity  by
  eliminating  existing  water-quality   problems,   and  providing  a  supplemental
  municipal water supply for  El Paso.  Long-term ecological  productivity from
  existing  wildlife  habitat  would  be lost,  and any  benefits which might  be
  obtained by alternate use of  the public funds,  energy  resources,  and chemicals
Irequired by the project would  also be foregone. Executive Order  11990 (see  p.
'  3-3), does not  permit loss of  wetland  habitat if practicable alternatives  or
  mitigation measures  are available.   In this specific case,  the  determination
  has been made that a  project  which  involves a 100  percent commitment  to re-
  charge is more  cost-effective and  has less  adverse  environmental impacts (for
  the community of El  Paso as a whole) than  a project which  maintains wildlife
  ponds  at the  Northeast  site.   Mitigation  of  the  adverse  impacts would  be
  practicable if  alternative  sites  were available;  no  appropriate  sites  have
LJpeen identified in the project area.  No  aspect  of the proposed  action has
  been identified which  provides  short-term  gains at  the expense  of long-term
  benefits.   However,   those  who  support   retention   of  the  wetland  habitat
  consider  that  the  transfer  of water  from  ecological  to  municipal  use  is
  supportive of  development  goals  which  are  less  enduring  than  the goal  of
  preserving wildlife habitat.

  6.9.3  Irreversible and Irretrievable Commitments of  Resources

      Resources to be used  by  the  HBRP were  itemized in Section 5.2.4;  in addi-
  tion energy and materials would be  used  in project construction.   These com-
  mitments are irreversible.  Similarly the commitments of funds and operational
  effort  by the Public Service Board must continue on  an  ongoing basis.  Restor-
  ation of the  wetlands habitat is  foreseeable  only in  the context of a major
  recreation project  which provides  substantial public  benefits;  a  project  of
  this type is  not foreclosed by the HBRP.

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                                  7.  COORDINATION

'      This Chapter presents a discussion  of public  participation in the develop-
  ment of  the  Draft  and Final  EIS.   Public participation during  preparation of
.  the Draft  EIS was  obtained  primarily  through  a  Citizens'  Advisory Committee
j	(CAC) formed by  the  Public  Service Board.  Selection of Committee  members was
  intended to  provide  representation from  a  broad  range  of public  interests.
  Appendix I (Part 1)  lists the fourteen  individuals who served on  the  Commit-
  tee.  The Committee  held three afternoon meetings  on October  19, November 14,
  and November  28, 1978,  to review information about the wastewater management
  options available in  Northeast El  Paso,  and  to  indicate public attitudes about
  these  options.   All  meetings were announced  in  advance,  were open  to  the
  general public,  and  were attended by representatives of the media.   Extensive
  publicity preceeded  a fourth  meeting on December 11,  1978,  which was  held in
  the evening  for  the  specific  purpose of  informing  the  public  about the waste-
	water management alternatives available in  Northeast  El  Paso  and obtaining
  public input  on the  relative merits of these  alternatives.  A  final  meeting
  was held on April  17, 1980.   The Committee's recommendations  on  the preferred
 Alternative are summarized in Section 7.2.1.


  7.1.  ISSUES RAISED DURING THE PLANNING PROCESS

      The four Committee meetings identifed  above involved discussion of  several
  issues,  as summarized below.

      1.   Issue:   what amount  of Federal  funding would be  available  to  facili-
  ties in Northeast El Paso,  and how would different alternatives affect  water
  bills?  Response:  Federal funding  is  generally 75 percent  of eligible costs.
  However,  additional funding is available  for  innovative projects, while multi-
  purpose projects may  receive  funding for only that  portion which is related to
  the necessary treatment  of wastewater.   During Committee meetings,  estimates
  of effects on  water  bills were based  on 75  percent Federal funding of design
  and construction costs.   As  noted  in  Part B of  Chapter  5,  actual  funding of
  the Hueco  Bolson Recharge  Project  (HBRP) would  not  exceed  65 percent.   An
  estimate of the  increase in  monthly water bills as  a  result  of the  HBRP is
  given in Table 5-4.

      2.   Issue:   how would qualified employees be  obtained  to operate a  sophis-
  ticated treatment  facility?   Response:   to   the  extent practicable,  new  em-
  ployees would be hired  from  the  local  labor  pool.  However,  some  skilled  posi-
  tions could  require nationwide recruitment.

      3.   Issue:   what  are the potential  health  effects  of a recharge project?
  Response:   the report by Wilson  (1980)  was  prepared in  response to concerns
  about health  effects, and was summarized in draft form  in  reports prepared for
  the Citizen's Committee.  Section 6.8 contains the  same basic  information pro-
  vided to  the Committee.
                                        7-1

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     4.   Issue:   how were  Citizens'  Advisory Committee members  selected?  Re-
 sponse:   Committee members were  selected  according to guidelines  of  the U.S.
 Environmental  Protection Agency  (EPA),  and the  composition of  the Committee
 was  subject to EPA approval.

     5.   Issue:   how feasible  is  it to design a  plant to industrial standards
 and  later  modify  the  plant to treat water  to  drinking quality standards?  Re-
 sponse:   this  alternative was screened  out early  in  the planning process be-
 cause  industrial  demand  for  reclaimed wastewater  is  too widely  scattered to
 make the project cost-effective.

    6.  Issue:  over what  time frame would ground water in the Hueco Bolson be
 exhausted?   Response:   based  on available  projections,  and  assuming limited
 new  water  supplies are  obtained, the Hueco Bolson could be  exhausted within
 fifty years.

    7.  Issue:  would  it  be  possible to  relocate the wetlands?  Response:  the
 alternative of  relocation of the wetlands  was screened out because of public
 interest  in  maximizing the amount  of wastewater recycled for municipal  water
 supplies.

    8.  Issue:   what  are  the  potential  recreational uses for recycled water?
 Response:  review  of  the City Parks and Recreation Plan  identified relatively
 few such uses in Northeast El Paso.

    9.   Issue:   would any of the  injected water  flow  into  the  Juarez  area?
 Response:  while  Juarez  takes water from the  Hueco Bolson,  El  Paso would not
 be competing for water with Juarez as long as water levels are maintained.

    In addition  to issues  raised at  public meetings, three  sets  of written
 comments were  submitted  during  the planning  process.  The  U.S.  Army  Air De-
 fense Center at Fort Bliss requested that  the overflow of wastewater  onto the
 Military Reservation  from  the Northeast  El  Paso  treatment ponds be eliminated
 and  encouraged  the upgrading  of the  treatment  plant.  All alternatives con-
 sidered would be  responsive to  this request.   The El Paso  City-County Health
 Unit staff  recommended that the  environmental problems  created by the waste-
 water treatment ponds  be  resolved  through  treating sewage which  could be in-
 jected into the soil to  replenish the water table.  The  HBRP  would accomplish
 this objective.

    The El Paso Regional  Group of the Sierra  Club  commented that the decision
 to use  reclaimed  wastewater  entirely for  recharge,  rather  than  reserving  a
portion for maintenance  of the wetlands, was  "unnecessary and irresponsible".
The  Sierra Club  recommended that EPA  both  commit  to  retaining  the wetlands,
and  require  additional studies  of the City of  El  Paso.   The  studies should
 determine how much water  would be  required to maintain  the wetlands,  whether
 recharge could  be accomplished,  and whether the wetlands could be used  as  a
 part of the sewage treatment  process.  EPA  responded  by  noting that  no  deci-
sion had been  made in regard  to the award  of grant funds for  the HBRP.   The
environmental impacts  of  various  alternatives, including  the maintenance  of  a
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   wetlands area, are  discussed in  Chapters  5 and 6 of the EIS.  The majority of
   comments  have supported  the  applicant's  current  proposal,  to use  all of the
   reclaimed  wastewater for recharge.   In addition,  the  Citizens'  Advisory Com-
Imittee  for the  Northeast Plant  adopted  the  recharge alternative,  without a
   wetlands option, at their November 28,  1978 meeting.

      EPA requested a list of endangered species from the U.S. Fish and Wildlife
   Service  (USFWS)  on September 18,  1979,  and  received a  response identifying
   endangered  species  on October  12,  1979 from USFWS.  This response provided the
   basis  for  a discussion of threatened or endangered  species  in 6.A.I (see also
   Part A of Appendix  I).


   7.2  REVIEW OF DRAFT EIS

      The  Draft EIS  was distributed  to the public  for  review and  comment  on
IFebruary 29,  1980.   The following organizations and individuals  were provided
   copies of the document.

   Federal Offices  (other  than EPA)

   National Park Service,  Santa Fe, New Mexico
   U.S. Department of  Interior, Washington, D.C.
   U.S. Department of  Commerce, Washington, D.C.
   U.S. Public Health  Service, Dallas, Texas
   U.S. Forest Service,  Atlanta, Georgia
   U.S. Department of  Agriculture, Washington, D.C.
   Soil Conservation Service, Temple, Texas
   Advisory Council on Historic Preservation,  Washington, D.C.
   Advisory Council on Historic Preservation,  Denver, Colorado
   U.S. Department of  Housing and Urban Development, Dallas, Texas
   Federal Highway Administration, Ft. Worth,  Texas
   U.S. Department of  Energy, Washington, D.C.
   U.S. Department of  Health, Education and Welfare, Dallas, Texas
   Farmers' Home Administration, Washington,  D.C.
   Agricultural Stabilization and Conservation Service, Washington, D.C.
   Federal Aviation Administration, Ft. Worth, Texas
   U.S. Department of  Transportation, Washington, D.C.
   Water Resources Council, Washington, D.C.
   U.S. Department of  the  Army, Army Corps of Engineers, Albuquerque, New Mexico
   Honorable John Tower, U.S. Senate
   Honorable Lloyd Bentson, U.S. Senate
   Heritage Conservation and Recreation Service, Denver, Colorado
   U.S. Department of  the  Interior, Albuquerque, New Mexico
   U.S. Fish and Wildlife  Service, Corpus Christi, Texas
   Bureau of Reclamation,  Amarillo, Texas
   Bureau of Mines,  Denver, Colorado
   U.S. Army Air Defense Center 4 Ft. Bliss,  Fort Bliss, Texas
   Small Business Administration, El Paso, Texas
   U.S. Geological Survey, Denver, Colorado
£jJ.S. Geological Survey, Austin, Texas

                                         7-3

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   Bureau of Reclamation,  El  Paso,  Texas
   U.S.  Sport Fisheries  and Wildlife,  Albuquerque, New Mexico
   Bureau of Outdoor Recreation,  Albuquerque,  New Mexico
   U.S.  Fish and Wildlife  Service,  Albuquerque, New Mexico
   State Agencies

   Texas Historical  Commission,  Austin,  Texas
   Budget and Planning Office, Austin, Texas
   Texas Antiquities Commission,  Austin, Texas
   Texas Parks and Wildlife Department,  Austin, Texas
   Texas State Department  of  Health, El  Paso, Texas
   Texas Department  of Highways  and Public Transportation, Austin, Texas
   Texas Department  of Water  Resources,  Austin, Texas
   Texas Railroad Commission, Austin, Texas
   Other  Agencies

   Planning  Department, City of El Paso, Texas
   El  Paso County  Water Improvement District No. 1, El Paso, Texas
   West Texas Council of Governments, El Paso, Texas
   International Boundary and Water Commission, El Paso, Texas
[""Environmental Organizations
  Sportsmen's Clubs of Texas, Austin, Texas
  Sportsmen's Clubs of Texas, Wichita Falls, Texas
  National Audubon Society, New York, New York
  National Audubon Society, Brownwood, Texas
  Audubon Society, El Paso-Trans Pecos Society, El Paso, Texas
  Sierra Club, Southwest Office, Santa Fe, New Mexico
  Sierra Club, El Paso, Texas
  Natural Resources Defense Council, Washington, D.C.
  Izaak Walton League of America, Arlington, Virginia
  Environmental Defense Fund, East Setauket, New York
  Environmental Defense Fund, Denver, Colorado
  Texas Environmental Coalition, Austin, Texas
  Wildlife Management Institute, Austin, Texas
  Texas Archeological Society, Dublin, Texas
  Group Against Smog and Pollution (GASP), El Paso, Texas
  Nature Conservancy, Texas Chapter, Austin, Texas
  National Wildlife Federation, Washington, D.C.
  Texas Organization for Endangered Species, Austin, Texas
  Texas Committee on Natural Resources, Dallas, Texas
  Texas Conservation Council, Inc., Houston, Texas
  Citizens Environmental Council, El Paso, Texas
  American Lung Association, Trans-Pecos Area, El Paso, Texas
  New Mexico Conservation Coordinating Council, Albuquerque, New Mexico

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Other Organizations

Southeast Improvement Association, El Paso, Texas
Future Progreso Comunidad de Val Verde, El Paso, Texas
League of Women Voters, El Paso, Texas
Citizens' Advisory Committee (El Paso EIS)
El Paso Natural Gas Company, El Paso, Texas
Water Resources Research Institute, Tucson, Arizona
American Water Works Association Research Foundation, Denver, Colorado
Mortimer Hendler, Quebec, Canada
Harry Schwartz, Worcester, Massachusetts
Havens and Emerson, Inc., Saddle Brook, New Jersey

    The official  45  day review period commenced on  March 14,  1980, when EPA's
Office of Environmental Review published  a  Notice  of their receipt of the doc-
ument in the Federal Register.  The review period expired on April 28, 1980.

    EPA held  a public hearing  on  the Draft  EIS on  the  evening of  April 17,
1980.  The Public Notice of the hearing  was  published  in the  EQ Paso Times on
March 1, 1980.  The hearing also served as  the  forum for  public input to PSB's
facility plan.

    Section 7.2.1  summarizes  the input received during the  comment period and
at  the  public hearing.  Section  7.2.2 summarizes the  two major  issues which
were raised by  the public input, and  identifies the responses to these issues
which are contained in the Final EIS.


7.2.1  Input to the EIS and Facilities Plan

    In 1978,  the Committee evaluated the  facts  available  to  it and unanimously
made the  preliminary recommendation that wastewater in  Northeast El  Paso be
reclaimed to potable  quality  and injected  into the  Hueco Bolson,  rather than
be discharged to the Rio Grande.  By split  vote,  the Committee also determined
that  the  alternative  of maintaining  some wetland  habitat  at the  Northeast
plant site  was not  to be  recommended.   The  discussions which  led to these
votes included specific  consideration of  the  health risks  associated  with
recycling  and  the  relative  benefits  to  be  obtained  from  water  used  for
municipal versus ecological purposes.

    The CAC was included on the  distribution list  for the  Draft EIS.   A CAC
meeting was held  prior to the  EPA  public hearing,  on  the afternoon of April
17,  1980.   At  that  meeting the  Committee reaffirmed  its previous  positions
regarding Case 6.  By  unanimous vote  the Committee  indicated support  for re-
charge (Case 6) rather than river discharge (Case  3).   The Committee then dis-
cussed the alternative of  retaining  a  portion  of  the wildlife habitat  at the
Northeast ponds,  as  part of  a recharge  project.   Although  the previous vote
indicated strong minority  support  for retaining the habitat,  the  discussions
on April 17th indicated that such support was  of a general nature,  and  did not
extend to a specific alternative such as  6A.  Committee members who previously
had supported the  habitat  stated that, upon further  consideration  of the mat-

                                      7-5

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 ter,  the specific  circumstances  of a  recharge project  in Northeast  El  Paso
 made  it  inappropriate  to maintain a habitat at the site.  The specific circum-
 stances  mentioned  included:   a)  the overriding need to increase water supplies
 for the  municipal  needs  of El Paso; b)  the conflicts between a wildlife use of
 the site and  the  possible trespass which would occur  through  PSB and military
 lands; c)  the fact that  the  habitat was  an accidential by-product of a pollu-
 tion  event, and not a  natural phenomenon.  Support for  the principal of main-
 taining  habitat was still evident;  however,  it was felt that the factors which
 led  to  the  support for  recharge  were  so compelling  when  compared to  the
 wildlife  attributes  in  question  that  recharge  should  recieve 100 percent
 support, without  any diversion of water  for other purposes.  By a  vote  of 10
 to 0,  with  1  abstention,  the  Committee voted  to  support Case  6, and to reject
 Case 6A.

    Six  citizens  gave  oral testimony at  the Public Hearing on April 17,  1980.
 The testimony  is  summarized in Part 4  of Appendix I  (begining  on page Appen-
 dix-26).  A complete,  formal transcript of the hearing is on  file in the fol-
 lowing locations:   EPA Region VI,  Dallas Texas;   PSB  offices, El Paso Texas.
 All the  issues which  were presented in  the  testimony were also discussed in
 the written comments which are reviewed in section 7.2.2.

    Seventeen letters  were received by  EPA  as  of  April 28, 1980.  All the let-
 ters are reproduced in full in Part 5  of Appendix  I (beginning  with an index,
 on  page  Appendix-28).    Five  letters   recommended the  selection of  Case  6A
 and/or the  mitigation  of  wildlife  impacts  of Case 6;  one letter (from  a  CAC
 member)  summarized  the arguments favoring Case 6.  Many  of the letters had no
 substantive comment and/or offered  minor  editorial comments.  Two letters pre-
 sented  detailed  substantive  comments   related to  the contents  of   the  Draft
EIS.   These letters addressed two  specific issues which  were also  raised at
the Public  Hearing:  the  concern  over  impacts to  the  wildlife  habitat at  the
Northeast  El  Paso  wastewater  ponds;   and  a  recommendation  that  PSB should
undertake a more  ambitious program to  conserve drinking  water.   The specific
 responses to these comments are provided  along with the letters in Appendix I,
 and are  discussed  in general in Section  7.2.2.   The Table of  Contents of this
Final  EIS  (see  Section  2) identifies  all  pages  in the  Draft EIS  which  have
been revised in response to the comments.


7.2.2  Issues Raised by Public Comments

    Based on  the  testimony received at the Public Hearing and through written
comments it was determined that  the Draft EIS required  three  types  of changes
before a Final EIS could be issued.

    1.  Editorial changes  were made to  improve the accuracy and clarity of the
document.  These  changes  were  suggested  in the  written  comments  (Part 5 of
Appendix I) or were identified in  the  review  of  the document by the EIS con-
sultant.   All  pages containing  such changes  are  reproduced  in  full in  the
Final EIS.
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    2.   Substantive changes were  made to address  concerns  about the elimina-
tion  of wetland habitat at the  existing  wastewater overflow ponds which would
occur if the Applicant's preferred alternative is implemented.

    3.   Substantive  changes  were  required to  respond to  the recommendation
that  PSB implement  a  more ambitious water conservation program.

    Issue;  Habitat Preservation.   This  issue  is discussed in  detail  in Sec-
tions 5.4.1 and  6.4.2.Severalcomments  received at the Public Hearing and in
writing were  in support of Case 6A and/or  the mitigation of wildlife impacts.
There is agreement among those supporting  either Case  6 or Case  6A  that:   a)
recharge is  the cost-effective alternative when  compared  to river discharge;
b)  the  wildlife impacts from a  recharge  project  are significant;  c)  and,  for
ecological  reasons it  would  be desirable  to select Case 6A or  to  otherwise
mitigate the  impacts  if practicable.   The  issue, therefore,  is  whether  or not
it  is possible  to  implement  recharge in combination with a wildlife habitat,
and,  if not, whether  other mitigation  measures are practicable.

    As  discussed on  pages 5-25  to 5-28,  the Citizens  Advisory Committee gave
careful consideration to  this issue.  Their determination was  that the diver-
sion  of water from a recharge  project would lessen the cost-effectiveness of
the project and  should  not  be  undertaken  unless  for compelling reasons.   While
in  principal  the protection of wildlife  habitat  or the mitigation of wildlife
impacts would  represent an appropriately compelling basis  for  decreasing pro-
ject  effectiveness,  there are numerous drawbacks to the  use  of the  Northeast
site  for wildlife ponds.  These drawbacks  were considered  to  be substantial,
such  that  the diversion of water  for wildlife would be acceptable only if in
association with another site.  No suitable alternative  sites were  found in
the  project  area.   Consequently,   the Committee made  the  determination that
Case  6  should  be selected  over  Case 6A.   Based on  the  same  factors considered
by the  Committee,  the PSB  has  selected Case 6 as the preferred action and pro-
poses no mitigation for the impacts of a recharge project.  EPA  now proposes
to support the PSB decision, by providing grant funds for Case 6.

    The  record  of  the public  participation  process  clearly  shows  that  the
wildlife  issue was  the most widely  debated question  considered by the Com-
mittee,   the  PSB,  and EPA.  There are many  factors which  normally  make  the
protection of wildlife the  highest  priority  in  a federal  action.    In  the
particular case  of  a Northeast El Paso recharge  project,  there were site-
specific  adverse aspects  of the  wildlife habitat area  which  resulted in  a
lower priority being  assigned  to that habitat.  Further,  the  recharge  project
itself  placed  an extremely  high environmental and  economic  value  on  the muni-
cipal water  which  would  be obtained  from the  recycling  of wastewater.   On
balance, the  decision  was  made that  the  circumstances  in Northeast El Paso
were  such that  the most cost-effective and environmentally  beneficial  project
would be one  involving a  total commitment  to  recharge, without  diversion of
water for a wildlife  habitat,  and  without  diversion  of this resource  for  the
mitigation of the  significant  wildlife  impacts  which  will occur  once  the
recharge  project   is  operational.   As   discussed  on  p.  7-6,  the   final
recommendation had unanimous support of the voting members of the Committee.
                                      7-7

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 NORTHEAST  EL  PASO
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     To summarize,  the Citizens  Committee,  in speaking  for  the general public
 in El  Paso,  viewed recharge as an necessary solution to both water quality and
 water  supply  problems of  the  project  area.   Because  this  solution can  be
 accomlished  only through  a substantial allocation of resources (money, energy,
 chemicals),  it was  considered important to  ensure the project  achieves max-
 imum benefits.   The diversion  of wastewater  from recharge  for  purposes  of
 maintaining  a wildlife habitat  or mitigating  adverse impacts  was seen  as  a
 step which would  reduce  the  effectiveness  of a recharge  project  without,  in
 this specific  instance, commensurate environmental gains.

     Issue;   Water Conservation.   Testimony {oral  and written) by  the Sierra
 Club was received  in f^avor of implementing  a strong water conservation program
 in conjunction with  a recharge project.   This testimony indicated that the PSB
 had available to it  a  number of measures  which would effectively  reduce the
 demand  for expensive  municipal  water  resources, and  that  such  reductions  in
 demand are necessary given the long-term water  supply needs of the community.
 It  was  suggested that a 20  percent reduction  in per capita water use could be
 achieved.  With  such  conservation,  per capita  wastewater  flows could  be re-
 duced  compared to present  levels  (in  contrast to the projection  given in the
 facilities  plan,  which  indicates a  nearly-constant  per capita  flow in the
 future).  The  following specific recommendations were made.

     1.  PSB should develop an  active program for leak detection and repair.

     2.  Codes should be  amended to require  insulation of  hot-water  pipes  in
 new and replacement  construction,  and, where practical, to  require that water
 heaters be centrally  located.

     3.  Codes  should be amended to prohibit  sales  of non-water saving clothes
 and dish washers, and hose-washing of hard surfaces.

     4.  The accuracy of industrial and commercial meters should be checked.

     5.  Amend  the code to prohibit hose-washing of hard surfaces.

     6.  Hours  should be established when lawn irrigation would be permitted.

     7.  A  cost-effective  retrofitting program  should be  established to cut
 toilet and shower use.

    8.  More effective educational programs should be developed.

    Discussions with PSB  indicate fundamental  agreement that  water conserva-
 tion is  of paramount  importance as a  water  management technique  in  El  Paso.
 The  PSB has  provided the  following  specific responses to  the recommendations
made by the Sierra Club (Hickerson, 1980).

    1.  The present  program to replace  leaking  pipes costs $600,000  per year
 and has cut system loses from about 16 percent in 1965 to 11 percent in 1978.
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     2.    The  City's  Energy  Advisory Board  has  under  consideration   a  code
 modification  to  accomplish  the objectives of recommendation number 2.

     3.   Water-saving machines  are widely  sold and  used.   The  PSB considers
 economic   incentives  (increasing  water  and  energy  costs)   to  be the  most
 effective method for  ensuring the  use of such appliances.

     4.   A new type  of  industrial-commercial meter is  being  purchased  to give
 better  accuracy  and larger  service in large water uses.

     5.  PSB has  not  observed large-scale hose-washing of hard surfaces, except
 at  gasoline  service  stations.   Regulation  of  hose-washing would  require  con-
 siderable manpower, for an  uncertain benefit.

     6.  PSB anticipates  the need for the regulation  of lawn  irrigation in the
 1995-2000 period, when  peak demand  will  approach  system  capacity.   In the
 meantime,  it  is felt  that  the  new rate  structure  (especially designed  to
 discourage lawn  watering) should be given a chance to work.

     7.   Retrofitting programs  elsewhere in the U.S.  have had  only  a small
 direct  effect on per capita water use,  although they  have served to increase
 public  awareness.

     8.   PSB  wishes  to  take any  steps  appropriate  to education of citizens
 about the  need for water  conservation.   PSB will review any specific recommen-
 dations for  additional measures  which  might be used  to augment  the existing
 program.

     A more general response to the  comments  requires consideration of three
 questions:  a) is a 20 percent  reduction in per capita use reasonable  to ex-
 pect; b)  would greater  conservation lead to markedly reduced  wastewater flows
 to a Northeast El Paso sewage treatment  plant;  and  c) if the  answers to either
 a or b  are positive, is  there  any aspect of the proposed  action which should
 be modified or reevaluated?

     There  are at least  two  reasons  why,  even  with  implementation  of  a  more
 vigorous  conservation program,  the PSB  does not expect to see a decrease  in
 per  capita water use  (Hickerson, 1980).

     1.  The City  of El Paso has  one  of  the lower rates of per capita water use
 in the  desert southwest,  indicating that citizens are already  conscious of the
need to conserve water.   El Paso was one of the first  U.S. cities to have all
customers  metered.  The  protection of ground water through use of higher-cost
 surface water  was begin  in the 1940's.  Regulations to restrict the  size  of
residential water meters are  in  full effect.  Recent  changes have led to adop-
 tion of new customer  connection charges and water  rates  that  penalize  custom-
ers  who use  large  amounts  of  water.   The long-standing  summer discount  in
water price has  been  eliminated, even though such  elimination was in the  past
politically controversial.   All  these factors  show that there is  an effective
water conservation program  already underway, and that  the present rate of per


                                      7-9

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 NORTHEAST EL  PASO
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 capita water use is much less  than  it  would be if the  program  was not in op-
 eration.   Consequently,  while further steps may be appropriate, the additional
 savings would not  be expected to  be as  great  as reductions  accomplished in
 areas  which  do not  have  a long  history of  conservation.

     2.   In the specific case  of  El Paso,  there  is at  least  one  factor which
 causes increases in municipal water use,  but  no  change in regional water use.
 This is the  tendancy for those with their  own water  supply to gradually aban-
 don  that  supply  in  favor of using City water.  One example is the use of river
 water  for irrigation  by homes  in  the  valley area.   During dry  years these
 homes  depend upon the municipal water system to supply considerable amounts of
 irrigation water.   As the  areas  become more densely  populated  and urbanized,
 the  tendancy  is for  the   use  of water  from the  irrigation district  to de-
 crease.   This  also  results  in  increased  use  of  municipal water.   Another
 example is the major  industries  in El Paso who  have  for  many  years supplied
 their  own water  needs by private wells.   Over time  these  industries have been
 converting to the  municipal  supply, thus  increasing the  apparent  per capita
 water  use.   Specific examples include ASARCO and Standard Oil.

     The net  effect  of the  above  factors is to  limit  the extent to which water
 conservation  programs would cause  a decrease  in  per  capita water  use.   The
 projection used  in  the facilities plan and EIS  is that conservation will tend
 to offset the effect of factor number  two, above,  and that the past  trend of
 increasing per capita  use will  end.   Previous forecasts which anticipated ever
 higher  rates of per  capita water consumption  have been  replaced,  by  a  more
 ambitious  projection  that use will  stabilize at  the present-day rate.  Because
 water  use  is already  relatively low, and because of  the effects of irrigation
 and  industrial use  discussed  above, it  is not expected  that per  capita use
 would decline.  Although such declines  could occur,  a cautious approach to the
 planning  of  facilities would not  base design decisions on such declines.  With
 specific  reference  to wastewater  flows, two  factors  suggest that  there  is no
 assurance  that  water conservation  would  cause  flow  reductions beyond  the
 levels utilized in the facilities plan.

     1.   Most  of  the effects of water conservation  programs would be reflected
 in reduced outdoor  use.  Only a few  of the measures described on  p.  7-8 would
 be expected to cause a reduction in wastewater flow.

     2.   El Paso's relatively low  rate  of  per capita water  use  is  reflected by
 a  low   value  for wastewater  flow.   For   example,  per  capita  waste  flows  in
Albuquerque  New  Mexico,  a  city  with  many basic  similarities to El  Paso,
 average  110   gpcd  (EPA,  1977),   This  is   10  percent  more  than  the  citywide
 average in El Paso.   Northeast  El Paso  has a present waste  flow which is  even
 lower,   85 gpcd.   If  Northeast El  Paso did not already  have  a  conservation
conscious public, and  experienced flows of 110 gpcd,  then  a 20 to  30 percent
reduction  in  wasteloads  might  be  forecast.  However, given  the  low per capita
 flow of 85 gpcd,  there is no firm basis for projecting substantially lower per
capita flows  in the near future.
                                      7-10
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  NORTHEAST EL PASO                COORDINATION                         FINAL EIS
r
      In summary, PSB  feels  that  El Paso already has  made  progress toward water
  conservation,  and  that  additional  measures  would  not  accomplish  as  much
  additional  progress   as  experienced  elsewhere.   Further   conservation  is
  necessary, but  projections as to the quantitative effect  of  such conservation
  should not be based  on situations where water use was  initially  high,  and the
  potential  for  conservation was  great.   Because the prospects  for substantial
  reductions in per capita water use  and  waste  flows are not firm,  it appears to
  be reasonable to base  decisions  on the water use and flow factors developed in
  the facilities plan.

  7.3 PREPARERS AND REVIEWERS

I	    Table 7-1 £/  lists the  individuals who prepared  this  document,  performed
  consultation, prepared  the background report (Wilson,  1980),  or  otherwise as-
  sisted with  the Draft Environmental  Impact  Statement.   Resumes are on  file
  with Lee Wilson and Associates,  Inc., Santa Fe,  New Mexico.

      Personnel of EPA,  Region  VI, who participated in  the  review  of this docu-
  ment  prior to  public  distribution were  Mr.  Clinton  B.   Spotts,  Mr.  Norman
  Thomas, Ms. Darlene Owsley, and Mr. Gene Wossum.


  a.   Table   7-1  is   unchanged;   refer  to  page   7-5  of  the  Draft  EIS.
                                        7-11

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  NORTHEAST EL PASO	APPENDICES	FINAL EIS


                                     APPENDIX I

                      RECORD OF PUBLIC PARTICIPATION AND REVIEW
                                       \.

  1.  Members of the Citizens' Advisory Committee:

      Mrs. Lawrence Duncan                    Mrs. Mildred Smith
      3120 Devil's Tower                      9520 Rutledge
      El Paso, Texas  79904                   El Paso, Texas  79924

      Mr, John Foster                         Dr. Thomas G. Barnes
      6044 Gateway East                       UTEP, Univ. Avs. & Hawthorne
      El Paso, Texas  79905                   El Paso, Texas  79902

      Mr. Roberto Anchondo                    General Lloyd Leech (Ret.)
      1715 Montana                            2925 Stone Edge
      El Paso, Texas  79902                   El Paso, Texas  79904

      Mr. Bill Resch                          Mrs. Helen Tullis
      4531 Bliss                              5808 Rob White
      El Paso, Texas  79903                   El Paso, Texas  79935

      Mr. Haskell R. Street                   Mr. Merle Lee
      8401 Hopewell                           3406 Titanic
      El Paso, Texas  79925                   El Paso, Texas  79904

      Mr. Bob Moreno                          Mr. John McKellips
      9811 Dyer                               9348 Dyer
      El Paso, Texas  79924                   El Paso, Texas  79924

      Mr. Pat Hagarty                         Mr. Joe Wilson
      9549 Dyer                               3621 Hercules
      El Paso, Texas  79924                   El Paso, Texas  79904


  2.  Responses to Notice Of Intent.

      EPA issued its Notice Of Intent to prepare this EIS on July 26,  1978.
      Letters in response were received from the following:

      George C.  Marks - Conservationist, U.S. Department of Agriculture, Soil
      Conservation Service

      Louis S.  Wall - Assistant Director,  Office of Review and Compliance,
      Denver,  Advisory Council on Historic Preservation.

  3.  Correspondence related to coordination regarding archeological resources
I	    and threatened or endangered species.
                                    Appendix-22

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 Texas Historical Commission
 Box 12276, Capitol Station
 Austin, Texaa 78711
 Tnim Larimer
 £xccutfu« Director
 March 5, 1976
 Mr.  John T.  Hickerson
 General  Manager
 El  Paso  Water Utilities
 Public Service Board
 320 South Campbell  Street
 P.O.  Box 511
 El  Paso, Tx.   79999

 Dear Mr. Hlckerson:

 Enclosed please find a  final  draft of Archeologica*!  Survey Report 15,
 Archeological testing at the  Northeast Seuage  Treatment Plant,  El
 Paso  Countyt  Texas, by  Warren M.  Lynn, submitted to  you in fulfill-
 ment of  our  October 3,  1975 proposal  for a subsurface archeological
 Investigation at the Northeast Treatment Plant.   Formal printing of
 this  technical  report will  soon be completed and several  copies will
 be  forwarded  to your offices.  The printed report will  contain  two
 additional figures  concerning proveniences and distributions of re-
 covered  cultural  materials.

 As stipulated in the introduction  and concluding section of this
 report,  the two investigated  sites have been found to be ineligible
 for  Inclusion in the National  Register of Historic Places and need
 not be maintained as State  Archeological  Landmarks.

 We appreciate the opportunity to have worked with your agency for
 the preservation  of the cultural heritage of Texas.   If we can  be
 of any further service,  please do  not hesitate to call  on us.

 Sincerely,
Robertjj. Mallouf
Director
Department of Survey Archeology
RJMrpc

Enclosure
                            Appendix-23

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NORTHEAST EL PASO
APPENDICES
FINAL EIS
4.  SUMMARY OF TESTIMONY AT THE PUBLIC HEARING REGARDING NORTHEAST EL PASO
                     SEWAGE TREATMENT PLANT, APRIL 17, 1980


    Testimony of JOHN SPROUL, representing the El Paso Regional Group of the
         Sierra Club

    Mr. Sproul commended the Public Service Board for preparing now for
wastewater recycling which will be necessary in the future.  The Sierra Club
recommends that EPA fund a recharge project for Northeast El Paso.  The
preferred alternative in the EIS should not be funded; rather, two
stipulations should be attached to any grant for a recycling project.

    1)  The Public Service Board should be required to incorporate into the
recharge project a more ambitious plan for water conservation.  Rather than
merely maintaining present levels of consumption, a goal should be set to
reduce per capita consumption by 15 to 20%.

    2) The project should include maintenance of a wetland at the recharge
site (as Case 6A of the EIS).  The present ponds and overflow areas are a
major positive step towards replacing the natural wetlands which have been
eliminated in the El Paso area.  Although recycling of water for human
consumption is important, maintenance of the wetland is yet more important,
given the uniqueness and value of the habitat to wildlife.  An allocation of
600,000 gpd to the wetland would represent only 1% of the pilot project sewage
flow and only 0.6% of potential citywide future flow.  The lack of
recreational benefit at the present site is a non-issue.  The wetland should
be maintained for ecological reasons; any recreational benefits would be
secondary.

    Mr. Sproul pointed out that the wildlife cannot raise a voice for
themselves among those clamouring for water.  Support for the Sierra Club
position is indicated by the fact that 5 of the 12 votes of the Citizen's
Committee were for maintenance of the wetlands.  Mr. Sproul offered the
assistance of the Sierra Club to set up a management program for the wetlands.
    Testimony of JOE WILSON, member of the Citizen's Committee
                             member of the Fort Bliss Rod and Gun Club

    The wetland in its present location is an attractive nuisance.  It is
close to the road, and thus easily accessible to four-wheel drive vehicles and
motorcycles.  One's life is endangered in the area due to indiscriminate
discharge of firearms.  Mr. Wilson would discourage maintaining a wetland in
relationship to the recharge site.  He hoped that a good alternative site
could be found, though they have not located such a site to date.
                                   Appendix-26
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NORTHEAST EL PASO	APPENDICES	FINAL EIS


    Testimony of JO ELLEN WAROLIN, member of  the Audubon  Society

    Ms. Warolin favored saving some wetland area.


    Testimony of JANE FOWLER, member of the Audubon Society

    Ms. Fowler expressed support  for maintaining the wetland habitat.  She
stated that we are not doing a good job as trustees of  the environment for
future generations.  If we destroy wildlife habitats and  force wildlife  to
extinction, with what shall we replace them?  Animals have value apart from
whether we can use them, and they have a right to exist.


    Testimony of ROBERT P. BLEICHER, president of the El  Paso Trans-Pecos
         Audubon Society

    The Audubon Society hopes for a recharge  project which will also leave
some area for wildlife.  While they realize that some change must take place,
they urge a compromise between change and maintaining a place for wildlife.
There should be some balance so that life itself can have more meaning.  Mr.
Bleicher stated that there used to be thousands of migrating species at  the
Horizon Lake area, which is now drained.  He  is concerned that one by  one,  all
such areas will be eliminated until there is  no place left for stopover  or
refuge for wildlife.  "Our main concern is that ... we just do not wipe  out
all other forms of life so that all we have is each other to look at".

    Mr. Bleicher pointed out that the nuisance aspect of  the existing  area  is
caused by people,  not by the birds nor the people concerned with maintaining
that environment.


    Testimony of WEDAD J.  SMITH

    Mr. Smith indicated that priorities on water should be in the order:
people, birds, commercial.   Industry should provide their own water.
                                  Appendix-27

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 NORTHEAST EL PASO	APPENDICES	FINAL EIS


 5.   Index to written comments submitted in response to publication of Draft
 EIS.                                                                                   m

                                                             Appendix Page

     A.  Letters requiring substantive responses, a/                                    I

         1.  John Sproul, Sierra Club, El Paso
                   Regional Group                             Appendix-29              •
         2.  Raymond Churan, Regional Environ-                                         |
                   mental Officer, U.S. Dept. Interior        Appendix-35

     B.  Letters containing recommendations or editorial comments.                      I

         ].  Pam Neilsen                                      Appendix-39
         2.  Jane Fowler                                      Appendix-39              •
         3.  George Baumli, International Boundary and                                 |
                   Water Commission                           Appendix-40
         4.  Magdalena Heisl                                  Appendix-40              M
         5.  Joe Wilson                                       Appendix-41              •
         6.  Donald E. Harley, Budget and Planning
              Office, Governor of Texas                       Appendix-42
              a.  Texas Dept. of Health                       Appendix-42              I
              b.  Texas Dept. Community Affairs               Appendix-43              •

    C. Letters containing no recommendations or editorial comments.                    •

         1.  Margaret H. Nellor, County Sanitation
                   Districts of Los Angeles County            Appendix-45              _
         2.  Robert D. Raisch, U.S. Forest Service            Appendix-45              I
         3.  W.L. Hall, U.S. Dept. Transportation             Appendix-46              ™
         4.  B.L. DeBerry, State Dept. Highways               Appendix-46
         5.  Charles D. Travis, Texas Parks and                                        •
                   Wildlife Department                        Appendix-47              I
         6,  George C. Marks, U.S. Soil Conservation Service  Appendix-47
         7.  Louis S. Wall, Advisory Council on                                        •
                   Historic Preservation                      Appendix-48              I
         8.  Billy G. McKenzie, Dept. Of Housing
                   and Urban Development                      Appendix-48              _
         9.  Jasper Coombes, Albuquerque District                                      I
                   Pnrnc: nf Fnninppr<;                         flnnpnrliy_AQ              B
Corps of Engineers                         Appendix-49
                                                                                        I
a.  Many comments in these letters have resulted in changes to the Draft EIS;
the changes are contained in the Final EIS.  Responses to comments are given            •
in this appendix only when the comment did not lead to a change in the EIS or           I
the change occurred on pages other than indicated in the comment.  If there is
no response to a comment which is contained in a letter, then the change                _
suggested by the comment has been made and can be found on the appropriate              I
page of the Final EIS.                                                                  •

                                   Appendix-28                                           •
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NORTHEAST EL PASO
REFERENCES
FINAL EIS
Cliett, Tom, 1979.  Personal communication.  Geologist, Public Service
    Board, El Paso, Texas.

Hickerson, John, 1980.  Personal communication.  General Manager, Public
    Service Board, El Paso, Texas.

Schraeder, Thomas, 1980.  Personal communication.  Ecologist, Bureau of
    Reclamation, El Paso, Texas.

Smartt, Ric, 1980.  Biological assessment, peregrine falcon, Northeast
    El Paso Wastewater Facilities.  Report prepared for Environmental
    Protection Agency, Region VI, Dallas, Texas.
                               REFERENCES-8

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