U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
ELEPHANT BUTTE RESERVOIR
SIERRA AND SOCORRO COUNTIES
NEWFEXICO
EPA REGION VI
WORKING PAPER No, 821
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
-------
REPORT
ON
ELEPHANT BUTTE RESERVOIR
SIERRA AND SOCORRO COUNTIES
EPA REGION VI
WORKING PAPER No, 821
WITH THE COOPERATION OF THE
NEW MEXICO ENVIRONMENTAL IMPROVEMENT AGENCY
AND THE
NEW MEXICO NATIONAL GUARD
JULY, 1977
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REPORT ON ELEPHANT BUTTE RESERVOIR
SIERRA AND SOCORRO COUNTIES, NEW MEXICO
EPA REGION VI
by
National Eutrophication Survey
Water and Land Quality Branch
Monitoring Operations Division
Environmental Monitoring & Support Laboratory
Las Vegas, Nevada
and
Special Studies Branch
Corvallis Environmental Research Laboratory
Corvallis, Oregon
Working Paper No. 821
OFFICE OF RESEARCH AND DEVELOPMENT
U.S. ENVIRONMENTAL PROTECTION AGENCY
July 1977
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CONTENTS
Page
Foreword i i
List of New Mexico Study Lakes iv
Lake and Drainage Area Map v
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 4
III. Lake Water Quality Summary 6
IV. Nutrient Loadings 12
V. Literature Reviewed 18
VI. Appendices 19
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11
FOREWORD
The National Eutroph1cat1on Survey was Initiated 1n 1972 1n
response to an Administration commitment to Investigate the nation-
wide threat of accelerated eutrophlcatlon to freshwater lakes and
reservoirs.
OBJECTIVES
The Survey was designed to develop, in conjunction with state
environmental agencies, Information on nutrient sources, concen-
trations, and impact on selected freshwater lakes as a basis for
formulating comprehensive and coordinated national, regional, and
state management practices relating to point source discharge
reduction and nonpolnt source pollution abatement 1n lake water-
sheds.
ANALYTIC APPROACH
The mathematical and statistical procedures selected for the
Survey's eutrophlcatlon analysis are based on related concepts
that:
a. A generalized representation or model relating
sources, concentrations, and Impacts can be
constructed.
b. By applying measurements of relevant parameters
associated with lake degradation, the generalized
model can be transformed Into an operational
representation of a lake, Its drainage basin, and
related nutrients.
c. With such a transformation, an assessment of the
potential for eutrophlcatlon control can be made.
LAKE ANALYSIS
In this report, the first stage of evaluation of lake and
watershed data collected from the study lake and its drainage
basin is documented. The report is formatted to provide state
environmental agencies with specific Information for basin
planning [§303(e)L water quality criteria/standards review
[§303(cj], clean lakes [§314(a,bj], and water quality monitoring
[§106 and §305(b)] activities mandated by the Federal Water
Pollution Control Act Amendments of 1972.
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iii
Beyond the single lake analysis, broader based correlations
between nutrient concentrations (and loading) and trophic condition
are being made to advance the rationale and data base for refine-
ment of nutrient water quality criteria for the Nation's freshwater
lakes. Likewise, multivariate evaluations for the relationships
between land use, nutrient export, and trophic condition, by lake
class or use, are being developed to assist in the formulation of
planning guidelines and policies by the U.S. Environmental Protection
Agency and to augment plans implementation by the states.
ACKNOWLEDGMENTS
The staff of the National Eutrophication Survey (Office of
Research and Development, U.S. Environmental Protection Agency)
expresses sincere appreciation to the New Mexico Environmental
Improvement Agency for professional involvement, to the New Mexico
National Guard for conducting the tributary sampling phase of the
Survey, and to those New Mexico wastewater treatment plant operators
who provided effluent samples and flow data.
The staff of the Surveillance Section, Water Quality Division,
New Mexico Environmental Improvement Agency provided invaluable lake
documentation and counsel during the Survey, reviewed the preliminary
reports and provided critiques most useful in the preparation of
this Working Paper Series.
Brigadier General Franklin E. Miles, the Adjutant General of
New Mexico, and Project Officer Colonel Marvin D. Bohannon, who
directed the volunteer efforts of the New Mexico National Guardsmen,
are also gratefully acknowledged for their assistance to the Survey.
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IV
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF NEW MEXICO
LAKE NAME
Alamogordo Reservoir
(Sunnier Lake)
Bluewater Lake
Conchas Reservoir
Eagle Nest Lake
Elephant Butte Reservoir
El Vado Reservoir
Lake McMillan
Ute Reservoir
COUNTY
De Baca, Guadalupe
Valencia, McKinley
San Miguel
CoIfax
Sierra
Rio Arriba
Eddy
Quay
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r
ALBUQUERQUE
N.flex.
Map Location
\
ELEPHANT BUTTE
RESERVOIR
Tributary Sampling Site
x Lake Sampling Site
f Sewage Treatment Facility
::.i Land Subject to Inundation
o to 20 30 «o Km.
0 » MH1.
Scale
Truth or Contequoncet
RIO GRANOE
I Cabalto
' Ktitrnir
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REPORT ON ELEPHANT BUTTE RESERVOIR, NEW MEXICO
STORET NO. 3505
I. CONCLUSIONS
A. Trophic Condition:*
Survey data indicate that Elephant Butte Reservoir is
eutrophic, i.e., nutrient rich and potentially highly pro-
ductive. Whether such nutrient enrichment is to be considered
beneficial or deleterious is determined by its actual or
potential impact upon designated beneficial water uses of
the lake. In Elephant Butte Reservoir, biological response as
measured by chlorophyll a_ values (range of 1.3 yg/1 to 11.2
yg/1, mean of 6.8 yg/1) is more typical of that observed in
mesotrophic water bodies.
Secchi disc visibility was poor; low transparencies
(range of 0.1 to 1.2 m) suggest that much of the primary pro-
ductivity in Elephant Butte Reservoir may have been light-
limited, even though no clear-cut direct relationship was
noted between light penetration and chlorophyll a_ levels.
The potential for primary productivity as measured by algal
assay control yields was high. Of the 9 New Mexico lakes
(including Navajo Reservoir) sampled in 1975, 2 had higher
median total phosphorus values (0.083 mg/1), 3 had higher
median inorganic nitrogen levels (0.110 mg/1), and 1 had
*See Appendix E.
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higher median orthophosphorus values (0.052 mg/1) than Elephant
Butte Reservoir.
Survey limnologists reported an algal bloom on the October
sampling date.
B. Rate-Limiting Nutrient:
The algal assay results indicate that nitrogen was the primary
limiting nutrient in Elephant Butte Reservoir during the spring
sampling (05/02/75) and phosphorus the primary limiting nutrient
during the fall (10/03/75). The reservoir data suggest nitrogen
limitation at all three sampling times. The New Mexico Environ-
mental Improvement Agency (1976) also reports that the reservoir
is generally limited primarily by available nitrogen but that a
switch to phosphorus limitation does periodically occur.
C. Nutrient Controllability:
1. Point sources -
During the sampling year, point sources were calculated
to contribute 21.0% of the total phosphorus load to Elephant
Butte Reservoir. Albuquerque contributed a total of 20.2%
from two plants, and the remaining 0.8% was contributed by
three smaller plants along the Rio Grande. Phosphorus point
source loadings to Elephant Butte Reservoir may be somewhat
overestimated, since the known sewage treatment plants are
located well outside 40 stream-km (25 miles) of the lake.
-------
Additional investigation is needed to determine how much, if any,
of the treatment plant loadings, particularly those from Albuquerque,
are trapped in sediments or lost to groundwater before reaching
Elephant Butte Reservoir.
2
The present phosphorus loading of 17.35 g P/m /yr is 31 times
that proposed by Vollenweider (1975) as a "eutrophic" loading.
Although Vollenweider's model may not be applicable to highly turbid
water bodies such as Elephant Butte Reservoir, phosphorus levels
in the lake are nevertheless excessive and it is expected that lake
water quality will deteriorate if the present loading continues.
The New Mexico Environmental Improvement Agency (1976) has taken
the position that reduction of nutrient contributions from the known
point sources would not result in any tangible benefits to the
reservoir at this time. They suggest that when future problem
conditions in the reservoir necessitate limiting nutrient loading,
that maximizing land application of the upstream municipal discharges
would be an effective alternative to reduction of nutrients through
advanced treatment procedures.
2. Nonpoint sources -
The Rio Grande contributed 78.8% of the total phosphorus load
to Elephant Butte Reservoir during the sampling year. Other studies
(New Mexico Environmental Improvement Agency, 1976) list agricultural
runoff, high sediment loading and concentrated areas of septic tanks
as major nonpoint sources of phosphorus to the lake.
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4
II. LAKE AND DRAINAGE BASIN CHARACTERISTICS
Lake and drainage basin characteristics are itemized below.
Lake morphometry data were provided by Martin and Hanson (1966)
and Tony Drypolcher (personal ccmmunication). Tributary flow
data were provided by the New Mexico District Office of the U.S.
Geological Survey (USGS). Outlet drainage area includes the lake
surface area, i^ean hydraulic retention time was obtained by
dividing the lake volume by mean flow of the outlet. Precipi-
tation values are estimated by methods as outlined in National
Eutrophication Survey (NES) Working Paper No. 175. A table of
metric/English conversions is included as Appendix A.
A. Lake Morphometry:
1. Surface area: 148.05 km2.
2. Mean depth: 18.3 meters.
3. Maximum depth: 47.9 meters.
4. Volume: 2,707.511 x 10& m3.
5. Mean hydraulic retention time: 818 days (2.2 yr).
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B. Tributary and Outlet:
(See Appendix B for flow data)
1. Tributaries -
Drainage Mean Flow
Name area (km2) (m3/sec)
A-2 Rio Grande 71,742.9 37.07
B-l Alamosa River 1,745.7 0.15
C-l Unnamed Tributary 5.7 <0.01
E-l Unnamed Stream 41.3 0.01
Minor tributaries and
immediate drainage 2,589.6 1.08
Total 76,125.2 38.31
2. Outlet - A-l Rio Grande 76,275.4 38.31
C. Precipitation:
1. Year of sampling: 23.4 cm.
2. Mean annual: 20.7 cm.
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III. LAKE WATER QUALITY SUMMARY
Elephant Butte Reservoir was sampled three times during the
open-water season of 1975 by means of a pontoon-equipped Huey heli-
copter. Each time, samples for physical and chemical parameters
were collected from four stations on the lake* and from a number
of depths at each station (see map, page v). During each visit,
depth-integrated samples were collected from each station for
chlorophyll a^ analysis and phytoplankton identification and enumera-
tion. During the first and last visits, 18.9-liter depth-integrated
samples were composited for algal assays. Maximum depths sampled
were 24.7 meters at Station 01, 22.9 meters at Station 02, 18.3
meters at Station 03, 9.4 meters at Station 04, 15.5 meters at
Station 05, and 5.8 meters at Station 06. For a more detailed
explanation of NES methods, see NES Working Paper No. 175.
The results obtained are presented in full in Appendix C and
are summarized in III-A for waters at the surface and at the maxi-
mum depth for each site. Results of the phytoplankton counts and
chlorophyll a^ determinations are included in III-B. Results of
the limiting nutrient study are presented in III-C.
*Stations 03 and 04 were replaced by Stations 05 and 06 on the August
and October sampling dates.
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t L t J "• "; T nl
STO^ET COC'E
(DEG C1^
O.-l.S M DEPTH
VAX DEPTH**
DISSOLVED OXYGEN ('
O.-l.S M DEPTH
"AX DEPTH**
CONDUCTIVITY (I
0.-1.5 M OEPTH
MAX DEPTH**
Ph (STANDARD UNITS)
O.-l.S * DEPTH
"AX DEPTH**
TOTAL ALKALINITY (MG/L)
0.-1.5 M DEPTH
MAX DEPTH**
TOTAL P (MG/L)
O.-l.S M OEPTH
DEPTH**
DISSOLVED ORTHO P (MG/L)
0.-1.5 M DEPTH
MAX DEPTH**
N02+N03 (MG/L)
O.-l.S M DEPTH
MAX DEPTH**
AMMONIA (MG/L)
O.-l.S M DEPTH
MAX DEPTH**
KJEL06HL N (M(5/L)
0.-1.5 M OEPTH
MAX DEPTH**
SECCHI DISC (METERS)
'«•*
a
4
)
PI
4
8
4
8
4
.)
9
4
8
4
'L>
8
4
8
4
8
4
8
4
I S/
^<5
u&'.^t
12.3- 14.0
10.5- 12.9
7.6- 9.6
6.6- 7.?
565.- 689.
573.- 719.
8.6- 8.9
8.4- 4.8
149.- 164.
158.- 161.
0.048-0.111
0. 052-0.129
0.018-0.069
0.023-0.043
0.020-0.110
0.020-0.04Q
0.020-0.040
0.040-0.070
0.200-0.800
0.400-0.600
' 7/7-. )
= L
M F -. T A N
13.0
11.1
8.9
7.1
587.
634.
8.7
3.5
1M.
160.
O.OS1
0.097
0.0?5
0.030
0,0?0
o.o?o
0.0?0
0.060
0.400
0.400
MAX
->E>T>-
"•* A ^G .
'"ETE-S)
o.O- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- ?3.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
0.0- 1.5
9.4- 23.8
N*
P
a
8
3
8
4
8
4
8
4
8
4
8
4
8
4
8
4
P
4
AND C"t*ICAL CHAHACTEnISTICS
< 3/19/74 !
MAX
S*»* = u. DEPTH
"4NGE
.-'EOIAN ("ETEPS)
0.3- 1.1
0.9
25.0- 26.3 25.6 0.0- 1.5
20.9- 24.5 22.7 5.8- 24.7
5.8- 8.2 7.0 0.0- 1.5
0.3- 5.4 2.0 5.8- 19.2
621.- 667. 629. 0.0- 1.5
590.- 677. 605. 5.8- 24.7
8.4- 8.7 8.6 0.0- 1.5
7.6- 8.4 7.9 5.8- 24.7
119.- 132. 123. 0.0- 1.5
127.- 136. 131. 5.8- 24.7
8 0.062-0.118 0.092 0.0- 1.5
4 0.102-0.203 0.164 5.8- 24.7
8 0.032-0.062 0.046 0.0- 1.5
4 0.073-0.190 0.130 5.8- 24.7
8 0.020-0.100 0.030 0.0- 1.5
4 0.120-0.240 0.170 5.8- 24.7
8 0.020-0.020 0.020 0.0- 1.5
4 0.020-0.200 0.045 5.8- 24.7
P 0.400-0.500 0.400 0.0- 1.5
4 0.400-0.600 0.450 5.8- 24.7
0.2- 1.2 0.6
N*
( 10/ 3/75 )
MAX
S««« = 4 DEPTH
PANGE
PANGE MEDIAN (METEPS)
20.7- 21.6
20.5- 20.7
5.4-
5.4-
8.4
7.0
ft
4
8
4
544.- 566.
5*4.- 681.
7.8-
8.0-
8.6
8.5
127.- 132.
132.- 135.
21.0
20.5
6.2
6.0
549.
556.
ft. 3
8.3
131.
133.
ft 0.078-0.09ft 0.083
4 0.0ft7-0.109 0.089
8 0.038-0.067 0.058
4 0.050-0.12ft 0.060
0.090-0.?*0
0.120-0.230
0.020-0.020
0.020-0.030
0.200-0.600
0.200-0.400
0.180
0.165
0.020
0.020
0.300
0.250
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9 -J
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.0- 1.5
3.0- 22.9
0.2- 0.6 0.4
* N = NO. OF SAMPLtS
»* MAXIMUM DEPTH SAMPLED AT EACH SITE
»** s = NO. OF SITES SAMPLED ON THIS DATE
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8
B. Biological Characteristics:
1. Phytoplankton -
Sampling
Date
05/02/75
08/19/75
10/03/75
Dominant
Genera
1.
2.
3.
4.
1.
2.
3.
4.
5.
1.
2.
Stephanodiscus
Chroomonas ?
Coelastrum
Ankistrodesmus
Other genera
Total
Stephanodiscus
Carteria
Chroomonas ?
Microcystis
Schroederia
Other genera
Total
Pennate diatom
Chroomonas ?
Other genera
Algal
Units
per ml
722
611
56
56
1,445
437
328
273
109
109
300
1,556
41
21
Total
62
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2. Chlorophyll a_ -
Sampling Station Chlorophyll a_
Date Number (yg/1)
05/02/75 01 5.1
02 7.2
03 7.4
04 9.7
05
06
08/19/75 01 7.8
02 11.2
03
04
05 9.4
06 9.7
10/03/75 01 1.3
02 1.9
03
04
05 3.6
06 6.8
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10
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
Ortho P Inorganic N Maximum Yield
Spike (mg/1) Cone, (mg/1) Cone, (mg/1) (mg/1-dry wt.)
a. 05/02/75
Control 0.020 0.025 2.4
0.05 P 0.070 0.025 2.4
0.05 P + 1.0 N 0.070 1.025 20.5
1.00 N 0.020 1.025 7.6
b. 10/03/75
Control 0.030 0.230 10.6
0.05 P 0.080 0.230 12.7
0.05 P + 1.0 N 0.080 1.230 16.9
1.00 N 0.030 1.230 9.3
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11
2. Discussion -
The control yields of the assay alga, Selenastrum capri-
cornutum, indicate that the potential for primary production in
Elephant Butte Reservoir was high at both times of sample col-
lection (05/02/75, 10/03/75). In the May assay, the significant
increase in yield over that of the control produced by the
addition of nitrogen as well as the lack of increase with the
addition of only phosphorus indicates nitrogen limitation. In
the October assay, phosphorus limitation is suggested; spikes
of phosphorus produced a slight growth increase while nitrogen
spikes alone did not stimulate growth beyond the control yield.
In both assays, maximum yield was achieved by the simultaneous
addition of both nutrients.
The mean inorganic nitrogen to orthophosphorus (N/P) ratios
in the lake data were 3/1 or less on all sampling occasions
suggesting primary limitation by nitrogen (a mean N/P ratio of
14/1 or greater generally reflects phosphorus limitation).
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12
IV. NUTRIENT LOADINGS
(See Appendix D for data)
For the determination of nutrient loadings, the New Mexico
National Guard collected a number of monthly near-surface grab
samples from each of the tributary sites indicated on the map
(page v), except for the high runoff months of April and May when
two samples were collected. Sampling was begun in December 1974,
and was completed in November 1975.
Through an interagency agreement, stream flow estimates for
the year of sampling and a "normalized" or average year were pro-
vided by the New Mexico District Office of the USGS for the tribu-
tary sites nearest the lake.
In this report, nutrient loads for sampled tributaries except
Unnamed Stream, E-l were determined by using a modification of a
USGS computer program for calculating stream loadings. Nutrient
loads indicated for tributaries are those measured minus known
point source loads, if any.
Nutrient loadings for Unnamed Stream, Station E-l and "minor
tributaries and immediate drainage" ("ZZ" of USGS) were estimated
by multiplying the mean annual concentrations in Unnamed Stream
at Station E-l by the appropriate mean annual flow.
The operators of the Albuquerque (2 plants), Belen, and Los
Lunas wastewater treatment plants provided monthly effluent samples
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13
and corresponding flow data. Nutrient loads for the Socorro
wastewater plant were calculated based upon provided monthly
effluent samples and estimated flow (0.3785 nr/capita/day).
A. Waste Sources:
1. Known municipal
Name
Socorro
Albuquerque
#1
Albuquerque
#2
Bel en
Los Lunas
Pop.*
Served
5,000
130,000
140,000
6,500
1,800
Treatment*
Trickling
Filter
Trickling
Filter
Trickling
Filter
Trickling
Filter
Trickling
Filter
Mean Flow
(m3/d x 103)
1.892**
73.127
67.243
3.189
1.126
Receiving
Water
Luis Lopez Drain
to Rio Grande
Rio Grande
Rio Grande
Basque Drain
to Rio Grande
Rio Grande
2. Known industrial - None
*Treatment plant operators.
**Estimated at 0.3785 m3/capita/day.
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14
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
% of
Source kg P/yr total
a. Tributaries (nonpoint load) -
A-2 Rio Grande 2,025,735 78.8
B-l Alamosa River ?
C-l Unnamed Tributary 100 <0.1
E-l Unnamed Stream 5 <0.1
b. Minor tributaries and immediate
drainage (nonpoint load) - 475 <0.1
c. Known municipal STP's -
Socorro 6,870 0.3
Albuquerque #1 270,655 10.5
Albuquerque #2 250,255 9.7
Belen 7,890 0.3
Los Lunas 4,690 0.2
d. Septic tanks* - 5 <0.1
e. Known industrial - None
f. Direct precipitation** - 2,590 0.1
Total 2,569,270 100.0%
2. Outputs - A-l Rio Grande 83,595
3. Net annual P accumulation - 2,485,675
*Estimate based on 14 lakeshore residences.
**Estimated (See NES Working Paper No. 175).
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15
C. Annual Total Nitrogen Loading * Average Year:
1. Inputs . .
* of
Source kg N/yr total
a. Tributaries (nonpolnt load) -
A-2 R1o Grande 5,614,370 -77.5
B-l Alamosa River ?
C-l Unnamed Tributary 4,315 0.1
E-l Unnamed Stream 235, :
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16
D. Mean Annual Nonpoint Nutrient Export by Subdrainage Area:
Tributary kg P/km2/yr kg N/km2/yr
R1o Grande 28 78
Unnamed Tributary (C-l) 18 757
Unnamed Stream (E-l) <1 6
E. Mean Nutrient Concentrations In Ungaged Streams:
Mean Total P Mean Total l\
Tributary (mg/1) (mg/1)
0-1 R1o Grande Conveyance Canal 0.883 2.588
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17
F. Yearly Loadings:
In the following table, the existing phosphorus annual
loading is compared to the relationship proposed by Vollenweider
(1975). Essentially, his "eutrophic" loading is that at which
the receiving waters would become eutrophic or remain eutrophic;
his "oligotrophic" loading is that which would result in the
receiving water remaining oligotrophic or becoming oligotrophic
if morphometry permitted. A "mesotrophic" loading would be
considered one between "eutrophic11 and "oligotrophic",
Note that Vollenweider's model may not apply to lakes with
short hydraulic retention times or in which light penetration is
severely restricted by high concentrations of suspended solids
in the surface waters.
Total Yearly
Phosphorus Loading
(q/mfyyr)
Estimated loading for Elephant Butte Reservoir 17.35
Vollenweider's "eutrophic" loading 0.56
Vollenweider's "oligotrophic" loading 0.28
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18
V. LITERATURE REVIEWED
Drypolcher, Tony. 1975. Personal communication (lake morphometry).
New Mexico Environmental Improvement Agency, Santa Fe, New Mexico.
Martin, R, 0. R., and R. L. Hanson, 1966. Reservoirs in the United
States. Geological Survey Water Supply Paper 1838. United
States Department of Interior, Washington, D.C,
New Mexico Environmental Improvement Agency. 1976. Assessment of
the Impact of Albuquerque Wastewater on the Trophic Status of
Elephant Butte Reservoir, Santa Fe, New Mexico.
U.S. Environmental Protection Agency. 1975. National Eutrophica-
tion Survey Methods 1973-1976. Working Paper No. 175. National
Environmental Research Center, Las Vegas, Nevada, and Pacific
Northwest Environmental Research Laboratory, Corvallis, Oregon.
Vollenweider, R. A. 1975. Input-Output Models With Special
Reference to the Phosphorus Loading Concept in Limnology.
Schweiz. Z. Hydrol. 37:53-84.
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19
VI. APPENDICES
APPENDIX A'
CONVERSION fACTORS
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CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
Cubic meters'x 8.107 x 10 = acre/feet
Square kilometers x 0.3861 = square miles
Cubic rnetcrs/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 = inches
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 ~ Ibs/squarc mile
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APPENDIX B
TRIBUTARY FLOW DATA
-------
LAKE COOE 3505
TRIBUTARY FLOW INFORMATION FOR NEW MEXICO
ELEPHANT BUTTE RESERVOIR
03/08/77
TOTAL DRAINAGE AREA OF LAKE(SO KM) 76275.4
FE8
SUB-DRAINAGE
TRIBUTARY AREA(SO KM>
JAN
MAR
NORMALIZED FLOWS(CMS)
APR MAY JUN JUL AUG
SEP
OCT
NOV
DEC
350 5A1
3505A2
350581
3505C1
3505E1
3505ZZ
76275.4
71742.9
1745.7
5.7
41.3
2737.6
18.07
17.27
0.085
0.000
0.0
0.51
22.14
21.52
0.045
0.000
0.000
0.62
27.38
26.62
0.045
0.000
0.001
0.76
54.76
53.24
0.065
0.000
0.001
1.53
112.16
109.02
0.040
0.000
0.001
3.14
93.81
91.18
0.068
0.000
0.0
2.63
33.81
32.56
0.283
0.001
0.019
0.96
22.74
21.24
0.680
0.001
0.023
0.65
17.47
16.71
0.224
0.001
0.008
0.48
20.10
19.26
0.238
0.001
0.007
0.57
17.78
17.27
0.022
0.0
0.001
0.51
18.94
18.41
0.040
0.0
0.0
0.54
SUMMARY
TOTAL DRAINAGE AREA OF LAKE * 76275.4
SUM OF SUB-DRAINAGE AREAS « 76273.1
MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)
TOTAL FLOW IN » 459.10
TOTAL FLOW OUT - 459.19
TRIBUTARY MONTH YEAR
3505A1
MEAN FLOW DAY
FLOW DAY
3505A2
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
74
75
75
75
75
75
75
75
75
75
75
75
74
75
75
75
75
75
75
75
75
75
75
75
0.190
2.775
0.481
40.493
52.386
51.537
51.253
47.006
38.794
9.854
0.229
1.S01
3.964
14.158
22.087
16.707
10.477
74.473
55.218
30.582
4.021
31.998
0.054
0.680
7
5
2
1
4
1
7
8
2
6
4
1
7
4
1
1
4
1
7
8
1
6
4
1
0.139
0.280
0.156
0.396
61.164
48.705
56.067
46.723
47.289
23.899
0.170
0.340
13.451
12.743
18.802
19.312
0.0
97.693
54.935
39.360
0.0
75.606
0.0
0.0
19
17
19
17
FLOW DAY
51.253
52.103
FLOW
0.0
69.943
-------
LAKE CODE 3505
TRIBUTARY FLOa INFORMATION FOR NEW MEXICO
ELEPHANT Bt'TTE RESERVOIR
03/Q8/77»-
MEAN MONTHLY FLOWS AND OAILV R_OBS
TRIBUTARY MONTH YEAR
3505B1
3505C1
350501
3505E1
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
74
75
75
75
75
75
75
75
75
75
75
75
74
75
75
75
75
75
75
75
75
75
75
75
74
75
75
75
75
75
75
75
75
75
75
75
74
75
75
75
75
75
75
75
75
75
75
75
MEAN FLOW DAY
0.008
0.071
0.045
0.040
0.042
0.034
0.057
0.538
0.283
0.510
0,057
0.051
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.001
0.001
0.113
0.011
0.006
0.0
0.0
0.0
6.513
23.220
19.255
20.671
30.299
5.097
5.437
4.559
39.644
0.0
0.0
0.000
0.001
0.000
0.001
0.0
0»037
0.010
0.020
0.002
0.001
7
a
6
4
1
7
5
2
7
8
6
4
2
7
4
1
1
4
1
7
8
1
6
4
1
7
5
2
1
4
6
8
6
4
2
FLOW DAY
0.057
0.680
0.0
0.0
0.0
0.000
0.000
0.000
0.000
0.002
0.0
0.0
0.0
0.0
0.0
0.0
0.0
10.024
25.655
21.124
34.547
11*157
4.474
4.984
7.249
0.0
0.0
0.000
0.001
0.0
0.0
0.043
0.0
0.0
0.0
FLOW DAY
FLOtf
19
17
24.919
18.293
-------
TRIBUTARY Ff.OW INFORMATION FOR NEW MEXICO
03/08/77
LAKE CODE 3505 ELEPHANT BUTTE RESERVOIR
MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)
TRIBUTARY MONTH YEAR MEAN FLOW DAY
3505ZZ
FLOW DAY
FLOW DAY
FLOW
12
1
2
3
4
5
6
7
8
9
10
11
74
75
75
75
75
75
75
75
75
75
75
75
0.116
0.425
0.651
0.680
0.963
2.690
2.180
1.812
0.280
1.104
0.139
1.189
-------
APPENDIX C
PHYSICAL AND CHEMICAL DATA
-------
STORET RETRIEVAL f>ATE 76/13/16
NATL EUTROPrilCATION SURVEY
EPA-LAS VEGAS
350501
33 09 17.0 107 11 38.0 3
ELEPHANT BUTTE RESERVOIR
35051 NEW MEXICO
/TYPA/AMBNT/LAKE
DATE TIME DEPTH
FROM OF
TO
75/05/02
75/08/19
75/10/03
DATE
FROM
TO
75/05/02
75/08/19
75/10/03
DAY
11 20
11 20
11 20
11 30
11 30
11 20
14 30
14 30
14 30
14 30
14 30
15 15
15 15
15 15
15 15
15 15
TIME
OF
DAY
11 20
11 20
11 20
11 20
11 20
11 30
14 30
14 30
14 30
14 30
14 30
15 15
15 15
15 15
15 15
15 15
FEET
0000
0005
0015
0035
005S
007B
0000
0005
0015
0045
0081
0000
0005
0015
0045
0075
DEPTH
FEET
0000
0005
0015
0035
0055
0078
0000
0005
0015
0045
0081
0000
0005
0015
0045
0075
00010
WATER
TEMP
CENT
13.7
12.9
11.9
11.3
10.7
10.5
25.5
25.0
34.8
23.6
20.9
21.6
21.0
20.9
20.8
20.7
00665
PHOS-TOT
MG/L P
0.051
0.051
0.048
0.042
0.054
0.097
0.067
0.062
0.062
0.102
0.303
0.083
0.085
0.083
0.081
0.087
00300 00077 00094
DO TRANSP CNDUCTVY
CECCHI FIELD
MG/L INCHES MICROMHO
9.8 43
9.0
8.4
8.6
7.6
7.0
7.0 48
5.8
5.8
1.6
6.2 24
5.4
4.8
5.2
5.4
32217 00031
CHLRPHYL INCDT LT
A RFMNING
UG/L PERCENT
5.1
7.8
1.3
573
689
671
659
657
719
631
624
619
609
595
566
551
544
544
544
11EPALES 760109 04001002
0082 FEET DEPTH CLASS 00
00400 00410 00610 00625
PH T ALK NH3-N TOT KJEL
CAC03 TOTAL N
SU
8
8
8
8
8
8
fl
8
8
7
7
7
7
7
7
8
.65
.70
.65
.60
.50
.40
.40
.45
.35
.95
.65
.80
.90
.90
.90
.05
MG/L
161
162
161
161
161
158
123
123
132
136
136
131
132
134
134
135
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.020
.020
.020
.020
.030
.060
.020K
.030K
.030K
.020
.200
.020K
.020K
.020K
.020K
.020K
MG/L
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.600
0.200
0.200
0.400
0.300
0.300
00630 00671
N02&N03 PHOS-DIS
N-TOTAL ORTHO
MG/L MG/L P
0.020K
0.020K
0.020K
0.030K
0.020K
0.020K
0.020K
0.020K
0.020K
0.220
0.120
0.230
0.240
0.250
0.250
0.330
0.018
0.018
0.020
0.019
0.024
0.031
0.033
0.033
0.038
0.090
0.190
0.065
0.064
0.071
0.074
0.126
K VALUE KNOWN TO BE LESS
-------
NATL EUTROPHICATION
EPA-LAS VEGAS
33 10 48.0 107 11 46.0 3
ELEPHANT 8UTTE RESERVOIR
35051 NE* MEXICO
/TYPA/AMBNT/LAKE
11EPALES 760109 04001002
0072 FEET DEPTH CLASS 00
DATE
FRO"
TO
75/05/02
75/08/19
75/10/03
TIME DEPTH
OF
DAY FEET
10 45
10 45
10 45
10 45
10 45
16 05
16 05
16 05
16 05
16 05
15 00
15 00
15 00
15 00
15 00
0000
0005
0015
0040
0068
0000
0005
0015
0030
0063
0000
0005
0015
0045
0075
00010
WATER
TEMP
CENT
12.4
12.3
11.7
11.3
10.9
25.8
25.2
24.2
24.0
21.8
21.0
20.7
20.7
20.6
20.5
00300
DO
MG/L
8.4
B.8
8.4
7.6
6.6
8.0
7.0
5.4
5.2
0.8
6.2
5.8
5.8
5.8
5.6
00077
TRANSP
SECCHI
INCHES
36
30
15
00094
CNDUCTVY
FIELD
MICROMHO
568
665
658
646
657
626
625
611
610
590
544
544
541
540
544
00400
PH
Si)
8.70
8.70
8.70
8.60
8.50
8.55
8.60
8.45
8.30
7.90
8.15
8.20
8.20
8.20
8.20
00410
T ALK
CAC03
MG/L
164
163
161
163
160
121
121
121
119
128
131
132
134
132
132
00610
NH3-N
TOTAL
MG/L
0.040
0.020
0.030
0.030
0.060
0.020K
0.020
0.020
0.060
0.060
0.020K
0.020K
0.020K
0.020K
0.020K
00625
TOT KJEL
N
MG/L
0.700
0.200
0.200
0.200
0.400
0.400
0.500
0.400
0.400
0.400
0.200
0.200
0.200
0.200
0.200
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.040
0.070
0.070
0.240
O.?00
0.200
0.190
0.190
0.190
00671
PHOS-OIS
ORTHO
MG/L P
0.026
0.021
0.031
0.024
0.023
0.045
0.048
0.059
0.066
0.140
0.060
0.067
0.065
0.062
0.063
DATE
FROM
TO
75/05/02
75/08/19
75/10/03
TIME
OF
DAY
10 45
10 45
10 45
10 45
10 45
16 05
16 05
16 05
16 05
16 05
15 00
15 00
15 00
15 00
15 00
DEPTH
FEET
0000
0005
0015
0040
0068
0000
0005
0015
0030
0063
0000
0005
0015
0045
0075
00665
PHOS-TOT
MG/L P
0.049
0.048
0.047
0.053
0.098
0.09B
0.088
0.092
0.094
0.158
0.081
0.083
0.083
0.081
0.087
32217 00031
CHLRPHYL INCOT LT
A RFMNING
UG/L PERCENT
7.2
11.2
1.9
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STORET RETRIEVAL H)AT£ 76/12/16
NATL EUTROPHICATION SURVEY
EPA-LflS VEGiS
350503
33 12 23.0 107 H 35.0 3
ELEPHANT BUTTE RESERVOIR
35051 NEW MEXICO
/TYPA/AMBNT/LAKE
DATE
FPO"
TO
75/05/02
TIME DEPTH
OF
DAY FEET
14 25 0000
14 25 0005
14 25 0015
14 25 0035
14 25 0060
00010
WATER
TEMP
CENT
13.2
13.1
12.2
11.8
11.3
00300 00077
00 TRANSP O
SECCHI FIELD
MG/L INCHES M]
9.2
9.0
8.6
8.0
7.2
38
11EPALES 760109 04001002
0064 FEET DEPTH CLASS oo
194
:TVY
i
'MHO
600
600
584
580
573
00400
PH
su
8.80
6.80
8.80
8.70
8.80
00410
T ALK
CAC03
MG/L
160
161
161
161
160
00610
NH3-N
TOTAL
MG/L
0.030
0.020K
0.020K
0.020
0.040
00625
TOT KJEL
N
MG/L
0.800
0.400
0.300
0.300
0.400
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020K
00671
PHOS-DIS
ORTHO
MG/L P
0.02ft
0.024
0.025
0.027
0.030
00665
DATE TIME DEPTH PHOS-TOT
FROM OF
TO DAY FEET MG/L P
75/05/02 14 25 0000 0.064
14 25 0005 0.052
14 25 0015 0.057
14 25 0035 0.048
14 25 0060 0.052
32217 00031
CHLRPHYL INCDT LT
A REMNING
UG/L PERCENT
7.4
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STORET RETRIEVAL DATE 76/13/16
NATL EUTROPHICATION SURVEY
EPA-LAS VEGAS
35050*
33 16 13.0 107 09 45.0 3
ELEPHANT BUTTE HESERVOIR
35051 NEW MEXICO
/TYPA/AM6NT/LAKE
DATE TIME DEPTH WATER
FROM OF
TO DAY FEET
75/05/02 15 00 0000
15 00 0005
15 00 0015
15 00 0031
DATE TIME DEPTH
FROM OF
TO DAY FEET
75/05/02 15 00 0000
15 00 000?
15 00 0015
15 00 0031
11EPALES 760109 04001002
0035 FEET DEPTH CLASS 00
0010
TER
EMP
ENT
14.Q
13.7
13.7
12.9
0665
S-TOT
/L P
0.084
0.111
0.097
0.129
00300
DO
M6/L
8.2
7.6
7.6
7.2
32217
CHLRPHYL
A
UG/L
9.7
00077
TRANSP
-------
STORET RETRIEVAL.DATE 76/12/16
NATL EUTBOPHICATION SURVEY
EPA-LAS VEGAS
350505
33 12 51.0 107 09 48.0 3
ELEHHANT BUTTE RESERVOIR
35051 NEW MEXICO
11EPALES 760109 04001003
0053 FEET OEPTn CLASS 00
DATE TI"E DEPTf
FROM OF
TO DAY FEET
75/08/19 15 40 0000
15 40 0005
15 40 0015
15 40 0030
15 40 004R
75/10/03 14 45 0000
14 45 0005
14 45 0015
14 45 0035
14 45 0051
00010
*ATER
TEMP
CENT
36.3
25.3
24.7
24.3
23.6
20.9
20.9
20.6
20.6
20.5
no3oo
DO
MG/L
8.2
7.0
5.4
3.6
2.0
7.0
6.0
6.2
6.4
6.4
00077
TRANSP
SECCHI
INCHES
18
14
00094
CNDUCTVY
FIELD
MICROMHO
633
621
624
629
614
546
545
544
551
568
00400
PH
SO
8.60
8.70
ft. SO
8.20
8.00
8.40
ft. 35
8.40
8.40
8.40
00410
T ALK
CAC03
MG/L
127
119
120
122
127
129
132
132
134
133
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.030
0.040
0.030
00625
TOT KJEL
N
MG/L
0.400
0.400
0.300
0.400
0.500
0.400
0.400
0.400
0.500
0.200
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.040
0.080
0.190
O.?20
0.1-50
0.160
0.130
0.140
0.140
00671
PHOS-OIS
0»TnO
MG/L P
0.045
0.047
0.059
0.034
0.120
0.054
0.056
0.057
0.06?
O.OSfc
DATE
FROM
TO
75/08/19
75/10/03
TIME DEPTH
OF
DAY FEET
15 40 0000
15 40 0005
15 40 0015
15 40 0030
15 40 004fl
14 45 0000
14 45 0005
14 45 0015
14 45 0035
14 45 0051
00665
PHOS-TOT
MG/L P
0.118
0.082
0.099
0.120
0.171
0.083
0.080
0.084
0.086
0.09?
32217
CHLRPHYL
A
UG/L
9.4
3.6
00031
INCDT LT
RFMNING
PFKCENT
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STOOET RETBIEVAL DATE 76/13/16
NATL EUTROPHICATION SURVEY
EPA-LAS V?<3AS
350506
33 ir 42.0 107 09 37.0 3
ELEPHANT BUTTE RESERVOIR
35051 NEW MEXICO
/TYPA/AMBNT/t_A
SECCHI FIELD
MS/L INCHES Ml
7.0 6
6.4
5.4
8.4 8
8.0
7.0
11EPALES 760109 04001002
0023 FEET DEPTH CLASS 00
94
TVY
1
'MHO
667
650
677
563
559
681
00400
PH
su
8.60
8.60
8.45
8.60
8.60
8.50
00410
T ALK
CAC03
MG/L
129
132
13*
127
130
133
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.030
0.020K
0.020K
0.020K
006*5
TOT KJEL
N
MG/L
0.400
0.400
0.400
0.600
0.400
0.400
00630
M02&N03
N-TOTAL
MG/L
0.080
0.100
0.120
0.090
0.120
0.120
00671
PHOS-OIS
ORTHO
MG/L P
0.056
0.062
0.073
0.038
0.050
0.050
DATE
FROM
TO
75/08/19
75/10/03
TIME DEPTH
OF
DAY FEET
15 20 0000
15 20 000^
15 20 0019
14 20 0000
14 20 0005
14 20 0010
00665
PHOS-TOT
MG/L P
0.097
0.110
0.102
0.078
0.098
0.109
32217
CHLRPHYL
A
UG/L
-------
APPENDIX D
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STORET RETRIEVAL DATE
NATL EUTROPHI'CATION SURVEY
EPA- LAS VEGAS
3505A1
33 09 13.0 107 11 30.0 *
RIO GRANDE
35 7.5 ELPHNT BUTTE
0/ELEPHANT BUTTE RES 120991
BELO DAM 3.2 MI NE OF TRUTH OR CONSOUECS
11EPALES 211120*
0000 FEET DEPTH CLASS 00
DATE
FROM
TO
74/12/07
75/01/05
75/02/02
75/03/01
75/04/04
75/04/19
75/05/01
75/05/17
75/06/07
75/07/08
75/08/02
75/09/06
75/10/04
75/11/01
75/11/02
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET MG/L
11
10
16
09
17
15
16
10
12
14
14
09
10
10
45
45
30
50
00
20
15
00
40
20
00
00
30
30
0.032
0.068
0.008
0.005
0.010
0.005
0.005
0.005
0.015
0.200
0.210
0.080
0.240
0.220
0.165
MG/L
0.700
0.700
1.100
0.350
0.350
0.400
0.650
2.400
0.450
1.100
0.450
0.400
0.600
1.200
0.700
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.060
0.032
0.024
0.045
0.020
0.020
0.030
0.050
0.085
0.035
0.055
0.070
0.035
0.035
0.015
MG/L P
0.020
0.012
0.005
0.010
0.015
0.020
0.020
0.025
0.035
0.075
0.120
0.100
0.075
0.060
0.105
MG/L P
0.080
0.035
0.030
0.020
0.030
0.040
0.050
0.040
0.060
0.130
0.120
0.130
0.210
0.130
0.420
-------
NATL EUTRQPMICATION SURv/EY
EPA- LAS VEGAS
DATE TIME DEPTH N02S.N03
FROM OF
TO DAY FEET
74/13/07 15 00
75/01/04 11 30
75/02/01 10 30
75/03/01 11 30
75/05/01 09 50
75/05/17 11 30
75/06/07 14 00
75/09/06 09 30
33 41 10.0 1C6 59 10.0 4
RIO GHANDE
35 SOCORRO CO MAP
T/ELEPHANT BUTTE RES 120991
RP BRDG 1 MI S OF SAN MARCIAL
11EPALES 2111204
0000 FEET DEPTH CLASS 00
0630
8.N03
OTAL
G/L
0.570
0.360
0.672
0.630
0.330
0.310
0.290
0.010
00625
TOT KJEL
N
MG/L
2.050
2.200
2.200
2.500
6.000
4.400
1.000
22.000
00610
NM3-N
TOTAL
MG/L
O.OBO
0.288
0.072
0.105
0.032
0.070
0.025
0.680
00671
PHOS-OIS
OP.THO
MG/L P
0.410
0.405
0.375
0.420
0.505
1.950
0.150
0.005
00665
PHOS-TOT
MG/L P
1.450
1.512
1.350
1.000
3.100
4.100
o.aoo
-------
STO&ET RETRIEVAL D»TE 76/13/16
NATL EUTROPrllCATIGN SU«VEY
EP*- LAS VEGA* " -
DATE TIME DEPTH N02&H03
FROM OF
TO DAY FEET
74/12/07 10 30
75/01/05
75/02/02 09 45
3505C1
33 08 42.0 107 D9 37.0 4
UNNAMED TRIBUTARY
35 7.5 ELPHNT BUTTE
T/ELEPHANT BUTTE RES 120991
JOSE CYN BNK .5 Ml N OF HWY 52
HEPALES 2111204
0000 FEET DEPTH CLASS 00
0630
S.N03
OTAL
6/L
0.01*
0.096
0.112
00625
TOT KJEL
N
MG/L
0.900
0.200
0.300
00610
NH3-N
TOTAL
MG/L
0.020
0.008
0.008K
00671
PHOS-DIS
ORTHO
MG/L P
0.020
0.017
0.020
00665
PHOS-TOT
MG/L P
0.025
0.035
0.025
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STOREY RZYSIEVA;. DATE 76/:z/i6
N&TL EUVRO^HJCftTZO
EPft- LAS 'JEG&S
FROM
TO
TIHE DEPTH
OF
DAY FEET
75/04/04 06 30
75/04/19 10 50
7S/05/G1 09 00
75/05/17 13 00
75/06/07 14 30
75/07/08 10 40
75/08/01 12 00
75/09/06 10 00
75/10/04
3SC5D1
32 01 3C3G r,03 5v CSoG
SGCCB33 C
BU7VE KES
S BRD6 1 HI S C
r.2SS9i
6Q30 FEET DEPTH CLASS C3
0630
!^N03
OTAL
'G/L
0.490
0.525
0.315
0.200
0.195
0.213
0.2&0
0.070
0.055
00685
TOT KJEL
N
MG/L
2.500
1.700
3.300
3.600
1.150
1.300
4.100
0.800
006. 1C
NH3-M
TOTAL
MG/l.
0.030
O.S30
3.S25
0,025
O.CH5
0.019
0.025
O.C2G
0.015
G367I
PKOS-OIS
ORTHO
MG/L P
0.330
0.270
0,150
0.135
0.145
0.155
0.135
C.090
0.075
00665
PHOS-TOT
MG/l. P
0.330
0.980
1.800
1.158
0.650
oas*o
0.210
-------
STORE! RETKIEVAL 0«TE 76/12/16
NATL EUTROPHiCAT-lON,, SURVEY
EPA- LAS VEGAS
DATE TIME DEPTH N02fcN03
FROM OF
TO DAY FEET
74/12/07 09 30
75/01/05
75/02/02 08 45
75/03/01 10 00
75/04/04 09 30
3505E1
33 08 05.0 107 10 45.0 4
UNkAMED STREAM
35 7.5 ELPHNT BUTTE
T/ELEPMANT 9UTTE RES 120991
Ht»Y 52 XING 1.3 MI SSE OF *TR TANK HILL
11EPALES 2111204
0000 FEET DEPTH CLASS 00
0630
t.N03
OTAL
IG/L
0.016
0.016
0.008
0.005
0.007
00625
TOT KJEL
N
MG/L
0.600
0.667
1.700
0.400
0.300
00610
NH3-N
TOTAL
MG/L
0.010
0.008
0.008
0.030
0.015
00671
PHOS-DIS
ORTHO
MG/L P
0.012
0.010
0.010
00665
PHOS-TOT
MG/L P
0.010K
0.017
0.010
0.020
0.010
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STO-
SOCORRO
35 7.5 sOCOPRO
T/ELEPHAM BUTTE -iES. 1^0491
LUIS LOPtZ 0«AIN TO RIO GRANDE
lltPALES 0000100*
0000 FEET OEf-TH CLASS 00
DATE
F30'*
TO
74/12/03
75/01/06
75/02/06
75/03/04
75/04/01
75/05/2?
75/06/23
7^/07/lQ
TIME DEPTH-
OF
OAY FEET
08 25
08 30
08 36
08 20
08 10
08 TO
14 0"!
O'.i^TO
MO?;>NG3
N-TuTAL
«*
-------
DeTF. TIv£ OEHT- ND2isN03 TOT KJEL
KOQM
TO
74/12/1*.
CP(T)-
74/12/17
75/01/22
CP m-
75/01/22
7b/0?/£4
Ct-(T)-
75/02/25
75/03/12
CP(T>-
75/03/13
75/04/21
CP(T>-
75/04/22
75/05/26
CP (T) -
75/05/27
75/07/30
CP (T)-
75/07/31
75/09/08
CP"5Afi
.13 01 10oO 106 40 00.0 «•
"130000
OOM"
J5 7.5ALBUQUERQUE 4
T/E.LEPiA.
-------
77/0?/l«
-iuT-OP-iICATIO--.
J505AC TFSSObAC P14QOOO
35 03 45.0 106 3" 15.0 4
ALBUQUEauUt «*2
IS 7.0AL8UUUERQUF. a
T/ELEPr>AMT dUTTt HES. 120991
RIO GRANDE
11EPALES 00001004
POOO FEET DEPTH CLASS 00
OaTF.
TO
74/12/16
CP(T)-
74/12/17
75/fl 1 /22
CP(T) -
75/01/22
75/0-
75/07/31
75/09/08
<~P (T) -
74/09/09
75/09/29
CP(T)-
75/09/30
75/10/08
CPU)-
75/10/09
75/11/24
CP(T) -
75/11/25
U«E OEf-T-
0?
DAY FEET
10 00
06 00
00
?4
10
06
10
06
10
06
10
06
10
06
10
06
10
06
10
06
10
06
00
00
on
00
00
00
oo
on
00
00
00
00
00
on
00
00
00
00
0"
00
• NO?-,NO? TOT KoEL
N- TOTAL N
Mfi/L MG/L
0.160 27.000
O.OHO 32.000
O.?40 ?9.000
0.240 31.000
0.300 37.000
0.15Q 12.000
0.200 23.000
0.350 ??.000
0.150 26.000
0.325 2?. 000
0.075 24.000
00610 00671 00665
•"nl-N PnOS-OIS P->OS-TUT
TOTAL o^Tno
MG/L MG/L P rlG/L P
1".50Q 9.900
15.200 11
14.400 6.200 10
15.200 8.100 9
1ft. «00 11.000 14
4.200 6.100 7
9.000 8.180 9
9.950 9.62S 10
10.50U 10.000 11
8.600 8.800 9
15.000 9.500 11
.500
.500
.700
.000
.200
.000
.noo
.800
.800
.000
50051 50053
FLO* CONDUIT
HATE FLOO-MGD
INST MGO MONTHLY
20.000 20.000
ie.
18.
19.
14.
18.
20.
11.
15.
16.
16.
700
600
100
000
800
800
500
000
000
500
19.
18.
18.
18.
17.
20.
15.
1*.
16.
16.
400
900
800
000
500
600
400
300
300
200
-------
£r- i 5
/ A s M N T / S T ~ £1 '*
3-»05AO TF 350540
34 3* 29.0 106 40 19.0 4
BELEN
35 7,5 HELEN
T/tLtPHAxIT 8UTTE HES.
HOSQUE O^AlfM TU rtIO GSANOE
HEPALtS 0000100&
0000 FEET DEfTM CLASS 00
DATE
FuO---.
TO
TIME OEPT.,
OF
DAY
74/12/02 09 00
75/01/01 09 00
75/02/01 09 00
75/03/03 09 00
7S/03/31 10 30
75/04/30 13 00
7^/07/01 10 00
75/Od/Ol 10 00
75/08/29 10 00
75/10/01 10 00
75/10/31 14 on
75/11/30 14 00
: 0 fr 3 3
AN03
OTAL
Kj/L
P.J20
l.«.80
3.120
0.080
2.000
0.750
0.750
0.7bO
1.400
1.500
) .880
1.700
1.570
00ft?a
TOT KJtL
•^
MG/L
1*3.000
1^.000
24.000
14.500
16.000
30.000
Ib.SOO
12.^00
15.5UO
12.500
11.500
19.000
19.000
OOMO
N|n3— M
TOTAL
Mti/L
1.60U
2.200
6.600
2.70Q
6.000
1 .050
0.210
0.226
0.260
0.050
4.10Q
0.240
00671
PHOS-OIS
OKTHO
M3/L P
6.700
6.900
5.300
4.320
5.600
5.850
4.400
4.700
4.000
4.700
5.100
5.900
00665
OHOS-TOT
MG/L P
9.700
8.450
7.700
6.700
5.500
8.700
5.850
5.300
5.650
4.700
5.100
6.200
7.800
50051
FLOW
PATE
INST MGD
0.600
0.600
0.600
0.600
0.600
0.600
0.760
0.760
0.760
0.760
0.760
0.760
2.280
50053
CONDUIT
FLO»-MGD
MONTHLV
0.600
0.700
0.700
0.700
0.700
0.700
0.700
0.700
0.785
0.786
0.760
2.360
0.760
-------
itTt 7//0?/ln
EPA- LA?
/ A>".-
3505*t TF3505AE
34 46 03.0 10ft 43 09.0 4
LOS L'JNAS
35 7.5 LOS LUNftS
NT >iUTTE -*tS. 130991
GRANOE
11EPALES OOOOlOOo
0000 FEtT OEMTH CLASS 00
DflT£
FHO"I
TO
7-
75/02/03
75/03/03
CP(T).
75/H3/03
75/04/07
CP(T)-
75/04/07
75/05/08
CP(T>-
75/05/08
75/07/07
CP(T)-
75/1)7/07
75/08/26
CPIT)-
75/08/26
T I"
OF
DAY
09
16
09
16
n*
16
09
16
09
16
09
16
09
16
09
16
E OEPT-
FFET
on
O'l
on
on
on
on
on .
0"
on
on
Ou
Or
on
on
on
on
10630
fMO?\M03
N-TGTAL
M(, /L
17,ftOO
13.600
13.600
17.ftno
1.92n
1ft. 500
7.300
14.000
00625
TOT KJF.L
^
"6/L
4.200
3.750
l.OOOK
1.200
1.600
1.900
*.800
1.200
00^10 006T1 00ftft5 50051 50053
MH3-N PHOS-OIS OHOS-TOT FLO* CONDUIT
TOTAL oxtno RATE FLO
*G/L P MG/L H INST MGO MONTHLY
0.110 14.500 14.500 0.350 0.350
n.110 10.500 12.300
O.OSOK 13.700 14.000
O.
-------
APPENDIX E
PARAMETRIC RANKINGS OF LAKES
SAMPLED BY NES IN 1975
STATE OF NEW MEXICO
Mean or median values for six of the key parameters evaluated
in establishing the trophic conditions of New Mexico lakes sampled
are presented to allow direct comparison of the ranking, by parameter,
of each lake relative to the others. Median total phosphorus,
median inorganic nitrogen and median dissolved orthophosphorus
levels are expressed in mg/1. Chlorophyll a_ values are expressed
in yg/1. To maintain consistent rank order with the preceding
parameters, the mean Secchi disc depth, in inches, is subtracted
from 500. Similarly, minimum dissolved oxygen values are subtracted
from 15 to create table entries.
-------
LAKE DATA TO BE USED IN RANKINGS
LAKE
CODE LAKE NAME
0812 NAVAJO RESERVOIR
3501 ALAMOGORDO
3502 BLUE WATER LAKE
3503 CONCHAS RESERVOIR
3504 EAGLE NEST LAKE
3505 ELEPHANT BUTTE RESERVOIR
3506 EL VAOO RESERVOIR
3507 LAKE MACMILLAN
3509 UTE RESERVOIR
MEDIAN
TOTAL P
0.025
0.025
0.036
0.020
0.181
0.083
0.034
0.097
0.021
MEDIAN
INOR6 N
. 0.130
0.050 .
0.140
0.040
0.070
0.110
0.140
0.045
0.040
500-
MEAN SEC
420.92.8
469.667
480.125
451.833
455.750
475.750
466.444
489.778
448.750
MEAN
CHLORA
2.164
5.867
3.867
3.275
13.357
6.758
2.189
14.133
3.242
15-
MIN DO
11*200
10.600
11.400
14.400
14.400
T4.200
12.600
10.100
13.800
MEDIAf
DISS ORTHC
0.009
0.003
0.012 •
O.JJ04
0.132
o.ofs
0.014
0,00?
0.004
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHER VALUES)
LAKE
CODE LAKE NAME
0812 NAVAJO RESERVOIR
3501 ALAMOGOROO
3502 BLUE WATER LAKE
3503 CONCHAS RESERVOIR
3504 EAGLE NEST LAKE
3505 ELEPHANT BUTTE RESERVOIR
3506 EL VADO RESERVOIR
3507 LAKE MACMILLAN
3509 UTE RESERVOIR
MEDIAN
TOTAL P
63 (
75 (
38 (
100 (
0 (
25 {
50 (
13 (
88 (
5)
6)
3)
8)
0)
2)
4)
1)
7)
MEDIAN
INORG N
25 (
63 (
6 (
94 (
50 (
38 (
6 (
75 (
94 (
2)
5)
0)
7)
4)
3)
0)
6)
7)
500-
MEAN SEC
100 i
38
13
75
63
25
50
0
88
( 8)
( 3)
( 1)
( 6)
( 5)
( 2)
( 4)
( 0)
( 7)
MEAN
CHLORA
100 (
38 (
50 (
63 t
13 (
25 (
88 (
0 (
75 (
8)
3)
4)
5)
1)
2)
7)
0)
6)
15-
MIN
75 (
88 (
63 (
6 (
6 (
25 (
50 (
100 (
38 (
DO
6)
7)
5)
0)
0)
2)
4)
8)
3)
MEDIAN
DISS ORTHO
56 (
100 (
38 (
ai (
0 (
13 (
25 <
56 (
81 (
4)
8)
3)
6)
0)
1)
2)
4)
6)
------- |