U.S. ENVIRONMENTAL PROTECTION AGENCY
               NATIONAL EUTROPHICATION SURVEY
                        WORKING PAPER SERIES
          PACIFIC NORTHWEST ENVIRONMENTAL RESEARCH LABORATORY
                        An Associate Laboratory of the
             NATIONAL ENVIRONMENTAL RESEARCH CENTER - CORVALLIS, OREGON
                                 and
       NATIONAL ENVIRONMENTAL RESEARCH CENTER - LAS VEGAS, NEVADA
&GPO	697-032

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                                REPORT
                                  ON
                        JOHN H, KERR RESERVOIR
              HALIFAX AND rcCKLENBURG COUNTIES,  VIRGINIA
                                 AND
                GRANVILLE, VANCE AND WARREN COUNTIES,
                            NORTH CAROLINA
                        EPA REGIONS III AND IV
                        WORKING PAPER No,  462
    WITH THE COOPERATION OF THE
VIRGINIA STATE WATER CONTROL BOARD
              AND THE
     VIRGINIA NATIONAL GUARD
             JUNE, 1975

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                               CONTENTS
                                                Page
  Foreword                                       1i
  List of Virginia Study Lakes                    iv
  Lake and Drainage Area Map                      v

  Sections
  I.   Conclusions                                 1
 II.   Lake and Drainage Basin Characteristics     3
III.   Lake Water Quality Summary                  4
 IV.   Nutrient Loadings                           8
  V.   Literature Reviewed                        16
 VI.   Appendices                                 17

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                                11
                         FOREWORD
    The National Eutrophication Survey was initiated in 1972 in
response to an Administration commitment to investigate the nation-
wide threat of accelerated eutrophication to fresh water lakes  and
reservoirs.

OBJECTIVES

    The Survey was designed to develop, in conjunction with state
environmental agencies, information on nutrient sources, concentrations,
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 non-point
source pollution abatement in lake watersheds.

ANALYTIC APPROACH

    The mathematical and statistical procedures selected for the
Survey's eutrophication 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 eutrophication control can be made.

LAKE ANALYSIS

    In this report, the first stage of evaluation of lake and water-
shed 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)], water
quality criteria/standards review [§303(c)j, clean lakes [§314(a,b)],
and water quality monitoring [§106 and §305(b)] activities mandated
by the Federal Water Pollution Control Act Amendments of 1972.

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                                m
    Beyond the single lake analysis, broader based correlations
between nutrient concentrations (and loading) and trophic condi-
tion are being made to advance the rationale and data base for
refinement of nutrient water quality criteria for the Nation's
fresh water 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 EPA
and to augment plans implementation by the states.

ACKNOWLEDGMENT

    The staff of the National Eutrophication Survey (Office of
Research & Development, U. S. Environmental Protection Agency)
expresses sincere appreciation to the Virginia State Water Con-
trol Board for professional involvement and to the Virginia
National Guard for conducting the tributary sampling phase of
the Survey.

    Eugene T. Jensen, Executive Secretary of the State Water
Control Board; Michael A. Bellanca, Director; Jean W. Gregory,
Pollution Control Specialist; and Robert W. Pitchford, Pollution
Control Technician; Bureau of Surveillance and Field Studies;
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.

    Major General William J. McCaddin, the Adjutant General of
Virginia, and Project Officer Lt. Colonel James D. Manley, who
directed the volunteer efforts of the Virginia National Guardsmen,
also are gratefully acknowledged for their assistance to the
Survey.

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                                IV
                  NATIONAL EUTROPHICATION SURVEY
                           STUDY LAKES
                        STATE OF VIRGINIA
LAKE NAME
Bluestone

Chesdin

Chickahominy
Claytor
J. H. Kerr


J. W. Flannagan
Occoquan
Rivanna
Smith Mountain
COUNTY
Giles, VA; Mercer,
  Monroe, Summers,  VJV
Amelia, Chesterfield,
  Dinwiddie
Charles City, New Kent
Pulaski
Charlotte, Hallifax,
  Micklenburg, VA;
  Granville, Vance,
  Warren, NC
Dickenson
Fairfax, Prince William
Albemarle
Bedford, Franklin,
  Pittsylvania

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— 37'00
— 36'30'
                                                                                                                         JOHN H. KERR
                                                                                                                            RESERVOIR

                                                                                                                        Tributary Sampling Site
                                                                                                                      X Lake Sampling Site
                                                                                                                        Sewage Treatment Facility
                                                                                                                        Drainage Area Boundary
                                                                                                                       .   V     V     V     «P
                                                                                                                               »         20 Hi.
                                                                                                                               Scale

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                          JOHN H.  KERR RESERVOIR
                             STORE! NO.  5106

I.   CONCLUSIONS
    A.   Trophic Condition:
            Survey data show that  Kerr Reservoir is  eutrophic.   Of the
        eight Virginia water bodies sampled in  1973, John H.  Kerr Reser-
        voir ranked sixth in overall  trophic quality using a  combination
        of six parameters*.   Three water bodies had  less  and  one had the
        same median total phosphorus,  four had  less  median dissolved phos-
        phorus, two had less median inorganic nitrogen, three had less
        mean chlorophyll  a^,  and four had greater mean Secchi  disc trans-
        parency.
            During their visits to the reservoir, Survey  limnologists did
        not observe any nuisance conditions; however, dissolved  oxygen  was
        markedly depressed or depleted in the hypolimnion at  most stations
        in July and was depleted at station 1 in September as well.
    B.   Rate-Limiting Nutrient:
            Due to a loss of nutrients in the samples between the time  of
        collection and the beginning of the algal assays, the results are
        not representative of conditions in the reservoir at  the time the
        samples were taken (04/07/73).  However, the reservoir data  indicate
        phosphorus limitation at all  sampling stations and times with the
        exception of station 5 which was nitrogen limited in  April  and  Sep-
        tember.
  See Appendix A.

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                                     2
    C.  Nutrient Controllability:
            1.  Point sources—The phosphorus load from known point
        sources amounted to about 34% of the total reaching the reser-
        voir during the sampling year.
            The existing phosphorus loading of 4.15 g/m2/year is nearly
        four times that proposed by Vollenweider (Vollenweider and Dillon,
        1974) as a eutrophic loading (see page 15).  While even complete
        removal of phosphorus at the point sources would still  leave a
        loading about two times the eutrophic loading,  it is likely that
        a high degree of phosphorus removal at the point sources would
        at least slow the rate of eutrophication of the reservoir.
            2.  Non-point sources—During the sampling  year, the phos-
        phorus load from non-point sources accounted for 66% of the total
        reaching the reservoir.  The gaged tributaries  contributed 65%  of
        the total  load and ranged from 33.0% (Dan River) to less than 0.1%
        (Nutbush Creek).  The ungaged tributaries were  estimated to have
        contributed 2.6% of the total load.
            The phosphorus export rates of the reservoir tributaries do
        not appear to be excessive (see page 14) and compare well  with  the
        export rates of seven tributaries of upstream Smith Mountain Reser-
        voir* (mean of 26 kg/km2/yr; range of 7 to 41 kg/km2/yr).
* Working Paper No. 465.

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II.   LAKE AND DRAINAGE BASIN CHARACTERISTICS1"

     A.   Lake Morphometry  :

         1.   Surface area:   198.25 kilometers2.

         2.   Mean depth:   10.7 meters.

         3.   Maximum depth:   >29.9 meters.

         4.   Volume:  2,121.275 x 106 m3.

         5.   Mean hydraulic  retention time:   124  days.

     B.   Tributary and Outlet:
         (See Appendix C  for flow data)

         1.   Tributaries  -

                                               Drainage       Mean  flow
             Name                              area  (km2)*    (m3/sec)*

             Roanoke River                       8,381.2          82.5
             Nutbush Creek                          10.1            0.1
             Island Creek                         176.1            1.7
             Grassy Creek                         168.3            1.7
             Hyco River                          1,095.6          10.8
             Dan River                           7,073.3          68.1
             Banister River                       1,533.3          14.8
             Difficult Creek                      178.2            1.7
             Little Bluestone Creek                 84.2            0.8
             Butcher Creek                          58.3            0.6
             Minor tributaries &
              immediate drainage -               1,193.4          15.0

                         Totals                19,952.0          197.8

         2.   Outlet -

             Roanoke River                     20,150.2**       197.8

     C.   Precipitation***:

         1.   Year of sampling:  123.8 centimeters.

         2.   Mean annual:  115.3 centimeters.
 t Table of metric conversions—Appendix B.
 tt Bellanca, 1975.
 * For limits of accuracy,  see Working Paper No.  175,  "...Survey  Methods,
   1973-1976".
 ** Includes area of lake.
 *** See Working Paper No.  175.

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                                       4
III.   LAKE WATER QUALITY SUMMARY
      John H.  Kerr Reservoir was sampled three times  during  the  open-
  water season of 1973 by means of a pontoon-equipped Huey helicopter.
  Each time, samples for physical  and chemical parameters were collected
  from six stations on the reservoir and from a number of depths at  each
  station (see map, page v).  During each visit, a single depth-integrated
  (4.6 m to surface) sample was composited from the stations for phytoplank-
  ton identification and enumeration; and during the  first visit,  two
  18.9-liter depth-integrated samples were composited for algal  assays
  (stations 1, 2, and 3 were combined; and stations 4,  5, and 6  were
  combined).  Also each time, a depth-integrated sample was  collected
  from each of the stations for chlorophyll  a^ analysis. The maximum
  depths sampled were 29.9 meters  at station 1, 18.3  meters  at station
  2,  25.9 meters at station 3, 14.3 meters at station 4, 5.2 meters
  at  station 5,  and 5.2 meters at  station 6.
      The sampling results are presented in  full  in Appendix D and
  are summarized in the following  table.

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                             A. SUMMARY OF PHYSICAL  AND'
CHEMICAL CHARACTERISTICS FOR JOHN H. KERR RESERVOIR
 STORET COOE 5106
PARAMETER

TEMP 

DISS OXY (MG/L)

CNDCTVY  (MCROMO)

PH (STAND UNITS)

TOT ALK  (MG/L)

TOT P (MG/L)

ORTHO P  (MG/L)

N02*N03  (MG/L)

AMMONIA  (MG/L)

KJEL N  (MG/L)

INORG N  (MG/L)

TOTAL N  (MG/L)

CHLRPYL  A (UG/D

SECCHI  (METERS)
1ST SAMPLING ( 4/ 7/73)
6 SITES
RANGE
10.3
8.5
75.
6.8
12.
0.023
0.00?
0.070
0.030
0.200
0.100
0.300
2.6
0.3
- 14.4
- 11.9
- 115.
7.6
40.
- 0.176
- 0.030
- 0.310
- 0.140
- 0.500
- 0.420
- 0.780
- 23.2
1.1
MEAN
12.9
9.6
91.
7.4
27.
0.064
0.011
0.233
0.072
0.276
0.305
0.509
8.4
0.6
MEDIAN
13.1
9.4
90.
7.4
27.
0.062
0.010
0.250
0.070
0.300
0.320
0.510
3.7
0.5
2ND SAMPLING ( 7/13/73)
6 SITES
RANGE
16.9
0.0
85.
6.7
28.
0.011
0.004
0.040
0.060
0.200
0.100
0.250
3.6
0.5
- 29.3
8.0
- 118.
9.0
51.
- 0.104
- 0.039
- 0.350
- 0.580
- 1.800
- 0.630
- 2.120
- 19.2
2.7
MEAN
25.6
4.0
102.
7.4
37.
0.038
0.009
0.163
0.132
0.512
0.295
0.675
8.4
1.5
MEDIAN
26.2
4.2
102.
7.2
36.
0.035
0.007
0.160
0.090
0.400
0.255
0.565
5.3
1.8
3RD SAMPLING ( 9/26/73)
6 SITES
RANGE
20.1
0.0
95.
6.5
25.
0.018
0.007
0.020
0.040
0.300
0.070
0.340
4.4
0.3
- 25.7
8.0
- 154.
7.6
47.
- 0.203
- 0.057
- 0.230
- 2.230
- 3.000
- 2.290
- 3.060
- 15.8
1.9
MEAN
24.3
4.7
110.
6.8
35.
0.054
0.014
0.072
0.246
0.788
0.319
0.860
9.7
1.1
MEDIAN
24.7
5.8
108.
6.8
36.
0.039
0.009
0.060
0.090
0.600
0.180
0.740
8.6
1.0

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B.  Biological characteristics:

    1.   Phytoplankton -
        Sampling
        Date

        04/07/73
        07/13/73
        09/26/73
    2.   Chlorophyll a. -

        Sampling
        Date

        04/07/73
Dominant
Genera

1.  Melosira sp.
2.  Flagellates
3.  Dactylococcopsis sp.
4.  Stephanodiscus sp.
5.  Pennate diatoms
    Other genera

                Total

1.  Lyngbya sp_.
2.  Synedra sp.
3.  Flagellates
4.  Pennate diatoms
5.  Centric diatoms
    Other genera

                Total

1.  Flagellates
2.  Raphidiopsis sp.
3.  Synedra sp_.
4.  Aphanizomenon sp.
5.  Melosira sp.
    Other genera

                Total
Station
Number

  01
  02
  03
  04
  05
  06
Algal Units
per ml	
  1,379

    931
    667
    479
    364
    223
  1,466

  4,130

  1,523
  1,523
  1,044
    564
    479
  1,891

  7,024
Chlorophyll a
(yg/1)
      .2
      .2
      .2
14.
23.
 4.
 2.9
 2.6
 3.3

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Sampling
Date
07/13/72





09/26/73





Station
Number
01
02
03
04
05
06
01
02
03
04
05
06
                                                         Chlorophyll  a
                                                         (yg/1)

                                                              3.6
                                                              5.2
                                                              5.3
                                                             19.2
                                                             11.9
                                                              5.3

                                                              5.0
                                                             15.6
                                                              7.0
                                                             15.8
                                                             10.3
                                                              4.4

C.  Limiting Nutrient Study:

        Due to a loss of nutrients in the assay samples  between

    the time of collection and the beginning of the assays,  the

    results are not representative of conditions in the  reservoir

    at the time the samples were taken (04/07/73).

        The reservoir data indicate phosphorus limitation at all

    sampling stations and times with the exception  of station 5

    which was nitrogen limited in April  and September.

        Following is a tabulation of the mean inorganic  nitrogen/

    orthophosphorus ratios for each of the sampling stations and

    times with the indicated limiting nutrient in parentheses.  Note

    that station 5, nearest the Dan River embayment which receives

    77% of the point-source phosphorus load, tended toward nitrogen

    limitation.

    Station            04/07/73           07/13/73         09/26/73

       1
       2
       3
       4
       5
       6
48/1
51/1
30/1
23/1
12/1
40/1
(P) :
(P)
(P)
(P)
(N)
(P)
53/1
25/1
55/1
35/1
18/1
37/1
(P)
(P)
(P)
(P)
(P)
(P)
23/1
13/1
16/1
15/1
5/1
15/1
P)
N?)
P)
P)
;N)
[P)

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IV.   NUTRIENT LOADINGS
     (See Appendix E for data)
     For the determination of nutrient loadings,  the Virginia National
 Guard collected monthly near-surface grab samples  from each of the
 tributary sites indicated on the map (page v), except for the high
 runoff months of May and June  when two samples were collected.
 Sampling was begun in July,  1973, and was completed in June, 1974.
     Through an interagency agreement, stream flow  estimates for the
 year of sampling and a "normalized" or average year were provided by
 the Virginia District Office of the U.S.  Geological Survey for the
 tributary sites nearest the  lake.
     In this report, nutrient loads for sampled tributaries were
 determined by using a modification of a U.S.  Geological Survey computer
 program for calculating stream loadings*.   Nutrient loads shown are
 those measured minus point-source loads,  if any.   However, the nutrient
 loads in Nutbush Creek at station B-l  and Butcher  Creek at station L-l
 were less than the loadings  measured at the upstream wastewater treatment
 plants, and the nutrient loads in these streams  and the unsampled "minor
 tributaries and immediate drainage" ("II"  of U.S.G.S.) were estimated
 using the means of the nutrient loads,  in  kg/km2/year, at stations D-l,
 E-l, H-l, and K-l  and multiplying the means by the Nutbush Creek, Butcher
 Creek, and II areas in km2.
     The operators  of the Henderson, NC;  South Boston, VA; Danville, VA;
 Halifax (South Boston), VA;  Clarksville,  VA;  Burlington Worsted (Clarks-
 * See Working Paper No.  175.

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vilie), VA; Halifax Mills (Halifax), VA; Martinsvilie, VA; and Chase
City, VA wastewater treatment plants provided monthly effluent samples
and corresponding flow data.  The operators of Yanceyville, NC; Roxboro,
NC; Reidsville Plant #1, NC; Mayodan, NC; Madison, NC; Walnut Cove, NC;
AltaVista, VA; Chatham, VA; Drakes Branch, VA; Keysville, VA; Brookneal #1
and #2, VA; Appomattox #1, VA; Bedford #1 and #2, VA; Gretna, VA; and Eden
(Mebane Bridge, Dry Creek, and Dan River Plants), NC, did not participate
in the Survey, and nutrient loads were estimated at 1.134 kg P and 3.401
kg N/capita/year.
    A.  Waste Sources:
        1.  Known municipal -

Name
Eden, NC*
Mebane
Bridge ,
Dry Creek *
Dan River

Henderson,
NC***
Madison, NC**
Mayodan, NC**
Reids ville, NC
plant #1**
Roxboro, NC***

Walnut Cove,
NC**
Yanceyville,
NC**
Altavista,
VA**
Appomattox, VA
plant #1**
Bedford, VA
plant #1**
plant #2**
Pop.
Served


1 7 Ron
1 /, OUU


13,500

1,800
3,000
13,000

10,000

1,100

900

.4,000

1,000


4,000
1,975

Treatment

ext. aer.

ext. aer.
Walker pro-
cess
tr. filter

tr. filter
tr. filter
tr. filter

prim.
clarifier
septic tanks

stab, pond

stab, pond

tr. filter


act. sludge
stab, pond
Mean Flow
(mVd)

26,495.0

1,893.5
567.7
,
4,811. 9T

946.2
1,476.1
4,314.9

9,311.1

238.5

321.7

2,271.0

378.5


1,514.0
1,495.1
Receiving
Water

Dan River

Dan River
Dan River

Nutbush Creek

Dan River
Mayo River
Little Trouble-
some Creek
Marlowe Creek

Town Fork
Creek
County Line
Creek
Roanoke River

Unnamed trib./
Falling River

Johns Creek
Johns Creek
* McAlister, 1975.
** Anonymous, 1971.
*** Treatment plant questionnaire.
t More than 25% of the waste load is contributed by industry.

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        Name
Pop.
Served
        Brookneal, VA
         plant #1*        550
         plant #2*        550
        Burlington        600
         Worsted,
         Clarksvilie, VA**
        Chase City,       900
         VA**
        Chase City,     2,000
         VA**
        Chatham,  VA*    1,820

        Clarksville,    2,000
         VA**
        Danville,      50,000
         VA**
        Drakes Branch,    760
         VA*
        Gretna, VA*     1,200
        Halifax Mills,    940
         VA**
        Halifax (South  1,500
         Boston), VA**
        Keysville,      1,040
         VA*
        Martinsville   22,000
         VA**
        South Boston,  11,300
         VA**
                                    10
Treatment
Mean Flow
On'/d)
          stab,  pond     283.9
          stab,  pond     283.9,
          aer.  lagoon 10,745.0
          tr.  filter     520.5

          stab,  pond   1,051.0

          prim.           511.0
           clarifier
          tr.  filter     876.6

          prim.        40,541.7
           clarifier
          Imhoff tank     56.8
                    t
          stab,  pond     378.5,
          prim.           314.0
           clarifier
          prim.           302.8
           clarifier
          tr.  filter     340.6
          ext.  aer.     9,582.9
                             ,t
          prim.         5,127.1
           clarifier
Receiving
Water
               Falling River
               Roanoke River
               Unnamed trib./
                Roanoke River

               Butcher Creek

               Church Creek

               Cherry Stone
                Creek
               Blue Creek

               Dan River

               Twittys Creek

               Georges Creek
               Unnamed trib./
                Roanoke River
               Bannister River

               Ash Camp Creek

               Smith River

               Dan River
        2.  Known industrial - None
* Anonymous, 1971.
** Treatment plant questionnaire.
t More than 25% of the waste load is contributed by industry.

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                                11

B.  Annual  Total  Phosphorus Loading -  Average  Year:

    1.  Inputs -

                                          kg P/          % of
        Source                            yr	         total

        a.   Tributaries (non-point  load)  -

            Roanoke River                 192,120         23.0
            Nutbush Creek                     185         <0.1
            Island Creek                   2,655          0.3
            Grassy Creek                   2,750          0.3
            Hyco  River                     22,525          2.7
            Dan River                     271,065         33.0
            Banister River                 26,065          3.2
            Difficult Creek                1,580          0.2
            Little Bluestone Creek          1,375          0.2
            Butcher Creek                  1,055          0.1

        b.   Minor tributaries & immediate
             drainage (non-point load) -    21,600          2.6

        c.   Known municipal STP's -

            Eden, NC                       19,845          2.4
            Henderson, NC                  19,275          2.3
            Madison, NC                    2,040          0.2
            Mayodan, NC                    3,400          0.4
            Reidsville, NC #1              14,740          1.8
            Roxboro, NC                    11,340          1.4
            Walnut Cove, NC                1,245          0.2
            Yanceyville, NC                1,020          0.1
            AltaVista, VA                  4,535          0.6
            Appomattox, VA #1              1,135          0.1
            Bedford, VA #1                  4,535          0.6
                        #2                 2,240          0.3
            Brookneal, VA #1                   625          0.1
                          #2                  625          0.1
            Burlington Worsted,
             Clarksville, VA               18,860          2.3
            Chase City, VA                 1,395          0.2
            Chase City, VA                 4,670          0.6
            Chatham, VA                    2,065          0.3
            Clarksville, VA        .        2,845          0.3
            Danville, VA                   83,875         10.2

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                                    12

                                              kg P/           % of
            Source                            y_r	          total

                Drakes Branch, VA                 860         0.1
                Gretna, VA                      1,360         0.2
                Halifax Mills, VA                 105        <0.1
                Halifax (South Boston),  VA      1,740         0.2
                Keysville, VA                   1,180         0.1
                Martinsville, VA               49,725         6.1
                South Boston, VA               19,990         2.4

            d.  Septic tanks* -                   135        <0.1

            e.  Known industrial - None

            f.  Direct precipitation** -        3,470         0.4

                        Total                 821,850        100.0

        2.  Outputs -

            Lake outlet - Roanoke River       152,430

        3.  Net annual P accumulation -  669,420 kg.
* Estimate based on 420 lakeshore dwellings, 15 parks,  and 1  campground;
  see Working Paper No. 175.
** See Working Paper No. 175.

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                                13

C.  Annual Total Nitrogen Loading - Average Year:

    1.  Inputs -

                                          kg N/          % of
        Source                            y_r	          total

        a.  Tributaries (non-point load) -

            Roanoke River               3,096,260         38.6
            Nutbush Creek                   2,960         <0.1
            Island Creek                   47,250          0.6
            Grassy Creek                   48,560          0.6
            Hyco River                    378,210          4.7
            Dan River                   2,475,420         30.8
            Banister River                578,470          7.2
            Difficult Creek                36,060          0.5
            Little Bluestone Creek         25,670          0.3
            Butcher Creek                  17,080          0.2

        b.  Minor tributaries & immediate
             drainage (non-point load) -  349,665          4.4

        c.  Known municipal STP's -

            Eden, NC                       59,515          0.7
            Henderson, NC                  41,705          0.5
            Madison, NC                     6,120          0.1
            Mayodan, NC                    10,205          0.1
            Reidsville, NC #1              44,215          0.6
            Roxboro, NC                    34,000          0.4
            Walnut Cove, NC                 3,740          0.1
            Yanceyville, NC                 3,060         <0.1
            AltaVista, VA                  13,605          0.2
            Appomattox, VA #1               3,400         <0.1
            Bedford, VA #1                 13,605          0.2
                        #2                  6,715          0.1
            Brookneal, VA #1                1,870         <0.1
                          #2                1,870         <0.1
            Burlington Worsted,
             Clarksville, VA              122,645          1.5
            Chase City, VA                  2,860         <0.1
            Chase City, VA                  8,850          0.1
            Chatham, VA                     6,190          0.1
            Clarksville, VA        .         5,325          0.1
            Danville, VA                  218,245          2.7

-------
                                    14

                                              kg P/           %  of
            Source                            y_r	          total

                Drakes Branch, VA               2,585         <0.1
                Gretna, VA                      4,080           0.1
                Halifax Mills, VA                 475         <0.1
                Halifax (South Boston),  VA      4,030           0.1
                Keysville, VA                   3,535         <0.1
                Martinsville, VA               88,200           1.1
                South Boston, VA               42,665           0.5

            d.   Septic tanks* -                 5,075           0.1

            e.   Known industrial - None

            f.   Direct precipitation** -      214,030           2.7

                        Total               8,028,020         100.0

        2.   Outputs -

            Lake outlet - Roanoke River     6,721,510

        3.   Net annual N accumulation -  1,306,510 kg.

    D.   Mean Annual Non-point Nutrient Export by Subdrainage Area:

        Tributary                             kg P/km2/yr    kg N/km2/yr

        Roanoke River                             23             369
        Island Creek                              15             268
        Grassy Creek                              16             289
        Hyco River                                21             345
        Dan River                                 38             350
        Banister River                            17             377
        Difficult Creek                            9             202
        Little Bluestone Creek                    16             305
* Estimate based on 420 lakeshore dwellings, 15 parks, and 1  campground;
  see Working Paper No. 175.
** See Working Paper No. 175.

-------
                                15
E.  Yearly Loads:
        In the following table, the existing phosphorus  loadings
    are compared to those proposed by Vollenweider (Vollenweider
    and Dillon, 1974).   Essentially, his "dangerous"  loading is
    one at which the receiving water would become eutrophic or
    remain eutrophic; his "permissible" loading is that  which
    would result in the receiving water remaining oligotrophic
    or becoming oligotrophic if morphometry permitted.   A meso-
    trophic loading would be considered one between "dangerous"
    and "permissible".
        Note that Vollenweider1s model  may not be applicable to
    water bodies with short hydraulic retention times.
                              Total Phosphorus       Total  Nitrogen
    	Total   Accumulated    Total    Accumulated
    grams/m2/yr             4.15       3.38        40.5        6.6

    Vollenweider phosphorus loadings
     (g/m2/yr) based on mean depth and mean
     hydraulic retention time of Oohn H. Kerr Reservoir:
        "Dangerous"  (eutrophic loading)           1.08
        "Permissible"  (oligotrophic loading)      0.54

-------
                                    16

V.  LITERATURE REVIEWED

    Anonymous, 1971.  Inventory of municipal waste facilities.  EPA
        Publ. OWP-1, vols. 3 and 4, Wash., DC.

    Bellanca, Michael A., 1975.  Personal communication (lake morphometry).
        VA Water Contr. Bd., Richmond.

    McAlister, W. Everett (District Supt.), 1975.  Personal communication
        (wastewater treatment facilities at Eden).  Eden, NC.

    Neal, William E., 1969(7).  Landlocked striped bass of John H.  Kerr
        Reservoir.  VA Contn. of Game & Inland Fisheries, Richmond.

    Vollenweider, R. A., and P. J. Dillon, 1974.  The application of
        the phosphorus loading concept to eutrophication research.
        Natl. Res. Council of Canada Publ. No. 13690, Canada Centre
        for Inland Waters, Burlington, Ontario.

-------
                                17
VI.  APPENDICES
                                  APPENDIX A
                                 LAKE RANKINGS

-------
LAKE DATA TO 3E USED IN KANi\INGS

LAKE                                   'JEDIAN     MEDIAN       500-           MEAN         15-         ME'HAN
CODE  LAKE NAME                        TuTAL P    INON'o N    MEAN SEC       C-ILO^A       *IN uO   0!iS OKTnO
5103  CLAYTOP LAKE                     0.031       0.45C     43*.500        5.6n2       14.900       O.OOB

5105  JOHN K. PLANNAbAN 0AM            0.01]       0.320     415.700        5.955       14.800       0.004

5106  JOHN H. KERR «ESE*VOI«           0.044       0.290     458.937        3.633       15.000       0.009

510«  OCCOOUAN UESEKVOIH               0.098       0.625     459.750       12.417       15.000       0.037

5110  SMITH MOUNTAIN LAKE              O.Olb       0.410     419.667       11.593       15.000       0.005

5111  LAKE CHESDIN                     O.C-44       0.2<«0     465.778       12.556       14.600       0.006

5112  CHICKAHOMINY LAKE                0.066       0.125     455.333       13.600        9.400       0.017

5113  RIVANNA (SOUTH TORK) RES         0.079       O.W5     460.222        6.667       13.000       0.022

-------
OK L&KE5 WITri hlOHEK  VALJES 
0)
3)
6)
7)
1)
71 (
100 (
43 (
29 <
86 (
0 (
57 (
14 (
5)
7)
3)
2)
6)
0)
4)
1)
MEAN
CHLOKA
100 (
36 (
57 (
29 (
43 (
14 (
0 (
71 (
7)
6)
4)
2)
3)
1)
0)
5)
15-
Mlix i)
43 (
64 (
14 (
14 (
14 (
64 (
100 (
86 (
0
3)
4)
0)
0)
0)
4)
7)
6)
ME 01
OISS OK
b4 (
100 (
43 (
0 <
Hb (
64 (
29 <
14 (
AN
4)
7)
3)
C)
b)
4)
2)
1)
IN'OEX
NO
3/8
507
271
12
35tt
265
315
213

-------
           Y I\DLA NOb.




   LAKE CODE  LAi\E NAM£.                JN'UEA  NO






1   510:>       JOHN w. FLANNAGAN  I) AM       507




?  5103       CLAYTOW LAKE                378



3  5110       SMITH MOUNTAIN  LAKE         358



<•  5113       CHICKAHOMINY  LAKt           3lD




5  5111       LAKE C«ES01N                ?85



6  5106       JOHN H. KERrt  RESEHVOlR      ?71



7  5113       RIVANNA (SOUTH  FORK) RES   213



8  5106       OCCOUUAN ^tSERVOIR          72

-------
    APPENDIX B
CONVERSION FACTORS

-------
                CONVERSION FACTORS

Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
Cubic meters x 8.107 x 10"4 = acre/feet
Square kilometers x 0.3861 = square miles
Cubic meters/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 = inches
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 = Ibs/square mile

-------
    APPENDIX C
TRIBUTARY FLOW DATA

-------
                                   TRIBUTARY FLOW  INFORMATION  FOR  VIRGINIA
                                                         02/05/76
LAKE CODE 5106    JOHN H. KERR RESERVOIR

     TOTAL DRAINAGE AREA OF LAKE(SO KM)  20150.2
          SUB-DRAINAGE
TRIBUTARY  AREAISQ KM)
                          JAN
FEB
                                          MAR
                                                  APR
                                                          MAY
                              NORMALIZED FLOWS(CMS)
                                JUN     JUL      AUG
                                                                                           SEP
                                                                                                   OCT
                                                                                                           NOV
                                                                                                                   DEC
     MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)

TRIBUTARY   MONTH   YEAR    MEAN FLOW  DAY

5106A1
5106A2
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
                 FLOW  DAY
                                   FLOW  DAY
                                                      FLO«
194.54
200.48
144.42
118.93
147.25
424.75
622.97
481.39
226.53
339.80
283.17
110.44
82.12
84.95
48.14
48.14
50.97
155.74
209.54
181.23
99.11
133.09
110.44
42.48
14
19
23
19
11
8
12
10
16
7
5
14
14
19
23
19
11
8
12
10
16
7
5
15
10.53
2.24
94.86
99.11
104.77
254.85
707.92
481.39
155.74
424.75
226.53
62.30
116.10
135.92
36.81
39.64
36.81
82.12
254.85
181.23
67.96
158.57
87.78
24.92



22


13

17

20
28



22


13

17

20




84.95


509.70

269.01

226.53
110.44



33.98


186.89

116.10

87.78

                                                                                                                          MEAN
5106A1
5106A2
5106B1
5106C1
S106D1
5106E1
5106F1
5106G1
5106H1
5106K1
5106L1
5106ZZ
20150.2
8381.2
10.1
176.1
168.3
1095.6
7073.3
1533.3
178.2
84.2
58.3
1'391.6
269.01
121.76
0.11
2.27
2.18
14.72
96.28
19.82
2.27
1.08
0.74
19.82
339.80
141.58
0.17
3.11
2.83
18.69
118.93
26.62
3.11
1.42
0.93
26.62
311.49
130.26
0.17
2.97
2.83
17.84
107.60
25.49
2.97
1.42
0.93
25.49
266.18
113.27
0.14
2.58
2.44
15.57
93.45
21.52
2.55
1.25
0.85
21.24
175.56
67.96
0.08
1.53
1.44
9.63
56.63
13.03
1.53
0.74
0.51
13.03
138.75
53.80
0.08
1.02
0.96
6.80
45.31
9.34
1.02
0.42
0.31
9.34
113.27
48.14
0.08
1.02
0.99
6.23
39.64
8.50
1.02
0.48
0.34
8.78
138.75 138.75
56.63
0.06
1.02
0.99
7.08
48.14
9.91
1.02
0.48
0.34
9.91
53.80
0.08
1.02
0.96
6.80
45.31
9.34
1.02
0.51
0.34
9.34
107.60
45.31
0.06
0.91
0.88
5.95
36.81
5.95
0.93
0.42
0.28
8.21
158.57
67.96
0.08
1.56
1.50
9.34
56.63
12.46
1.59
0.79
0.51
12.46
226.53
93.45
0.08
1.73
1.87
11.61
76.46
16.42
1.78
0.82
0.54
16.14
197.78
82.46
0.10
1.72
1.65
10.80
68.11
14.79
1.73
0.81
0.55
14.96
SUMMARY




TOTAL
SUM OF
DRAINAGE
AREA OF
LAKE =
SUB-DRAINAGE AREAS *
201S0.2
20150.2




TOTAL FLOW
TOTAL FLOW
IN *
OUT »
2383.
2384.
21
28





-------
LAKE CODE 5106
                 TRIBUTARY  FLO*  INFORMATION FOR VIRGINIA

OOHN H. KERR RESERVOIR
                                                                                           02/05/76
     MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)

TRIBUTARY   MONTH   YEAR    MEAN FLOW  DAY
5106B1
S106C1
510601
5106E1
7
8
9
10
11
12
1
2
3
4
-5
6
7
a
9
10
11
12
1
z
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
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
0.17
0.25
0.25
0.05
0.00
0.03
0.06
0.10
0.16
0.07
0.07
0.04
0.40
O.S1
0.48
0.91
0.51
1.70
1.87
2.46
2.46
1.90
1.50
0.79
0.37
0.45
0.45
0.85
0.48
1.59
1.76
2.29
2.32
1.76
1.42
0.74
4.53
5.66
4.25
0.62
0.74
0.82
31.15
24.35
14.16
11.89
6.80
1.70
14
19
23
19
11
8
12
10
16
7
5
14
14
19
23
19
11
8
12
10
16
7
5
14
14
19
23
19
11
8
12
10
16
7
' 5
14
14
19
23
19
11
8
12
10
16
7
5
14
                                                   FLOW  DAY
0.11
0.57
0.20
0.05
0.00
0.04
0.07
0.10
0.11
0.08
0.05
0.02
0.28
1.10
0.34
0.79
0.34
0.62
2.15
2.46
1.73
2.12
1.19
0.42
0.23
1.02
0-1A
* •**•
0.74
0.31
0.57
2.04
2.29
1.64
2.01
1.10
0.40
4.53
11.04
3.11
0.51
0.68
0.68
39.64
31.15
9.91
11.33
2.61
1.47



22


13

17

20
28



22


13

17

20
28


22


13

17

20
28



22


13

17

20
28
                                                                      FLOW   DAY
                                                   0.04


                                                   0.05

                                                   0.19

                                                   0.05
                                                   0.04



                                                   0.68


                                                   1.67

                                                   2.97

                                                   1.19
                                                   0.79



                                                   0.62


                                                   1.56

                                                   2.80
                                                     I
                                                   1.10
                                                   0.74



                                                   0.45


                                                  28.32

                                                  16.71

                                                   3.68
                                                   1.19
                                                                                        FLOW

-------
                                    TRIBUTARY  FLOW INFORMATION FOR VIRGINIA
                                                                                            02/05/76
LAKE CODE 5106      JOHN H.  KERR RESERVOIR




     MEAN MONTHLY FLOWS AND DAILY  FLOWS(CMS)




TRIBUTARY   MONTH   YEAR    MEAN FLOW  DAY




5J06F1
5106G1
5106H1
5106K1
7
8 ,
9
10
11
12
1
Z
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
it
5
6
7
8
9
10
11
12
1
2
3
4
5
6
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
FLOW  DAY
                  fLOW  DAY
62.30
67.96
39.64
39.64
42.48
127.43
172.73
150.08
84.95
110.44
90.61
36.81
7.93
8.78
6.51
7.93
6.80
24.64
2.66
31.15
19.26
22.09
16.42
11.04
0.40
2.27
0.51
0.91
0.54
1.70
1.93
2.44
2.46
1.87
1.50
0.79
0.17
0.17
0.20
0.42
0.22
0.71
0.74
1.05
1.19
0.79
0.65
0.34
14
18
23
19
11
8
12
10
16
7
5
15
14
18
23
19
11
8
12
10
16
7
5
15
14
18
23
19
11
a
12
10
16
7
5
15
14
19
23
19
11
8 ,
12
10
16
7
b
14
84.95
118.93
31.15
33.98
28.32
65.13
206.71
150.08
56.63
130.26
70.79
20.67
7.93
13.88
4.81
7.08
5.38
11.33
31.15
24.07
15.01
39.64
11.33
3.96
0.28
8.50
0.34
0.79
0.34
0.62
2.18
2.44
1.70
2.15
1.19
0.42
0.08
0.42
0.14
0.37
0.14
0.24
0.85
1.05
0.85
0.91
0.51
0.19



22


13

17

20




22


13

17

20




22


13

17

20




22


13

17

20
28



28.32


147.25

99.11

70.79




5.95


22.94

16.99

13.03




0.68


1.70

2.97

1.19




0.31


0.65

1.44

0.51
0.34
FLOW

-------
LAKE CODE 5106
                 TRIBUTARY FLOW INFORMATION FOR VIRGINIA

JOHN H. KERR RESERVOIR
                                                                                           02/05/76
     MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)

TRIBUTARY   MONTH   YEAR    MEAN FLOW  DAY

5106L1
7
8
9
10
11
12
1
2
3
4
5
6
73
73
73
73
73
73
74
74
74
74
74
74
0.08
0.11
0.08
0.28
0.14
0.45
0.34
0.71
0.85
0.54
0.42
0.24
14
19
23
19
11
8
12
10
16
7
5
14
                                 FLOW  DAY
0.03
0.28
0.08
0.25
0.09
0.15
0.54
0.71
0.59
0.62
0.34
0.13



22


13

17

20
28
FLOW  DAY
                                                                      0.21


                                                                      0.42

                                                                      1.02

                                                                      0.34
                                                                      0.24
FLOW

-------
        APPENDIX D
PHYSICAL and CHEMICAL DATA

-------
STORET RETRIEVAL DATE 76/03/05
                                                                  510601
                                                                 36 35 28.0 078 18 02.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51117   VIRGINIA

DATE
FROM
TO
73/04/07





73/07/13













73/09/26








TIME
OF
DAY
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10


00
00
00
00
00
00
50
50
50
50
50
50
50
50
50
50
50
50
50
50
45
45
45
45
45
45
45

DEPTH

FEET
0000
0004
0015
0040
0065
0096
0000
0005
0010
0020
0024
0030
0035
0040
0050
0060
0070
0080
0090
0098
0000
0015
0040
0055
0075
0085
0095
00010
WATER
TEMP
CENT
13.6
13.5
13.1
12.4
12.3
11.2
29.1
29.2
29.1
28.9
28.9
26.0
25.3
24.5
22.5
20.5
19.7
18.7
17.7
16.9
25.0
25.1
24.9
24.4
23.5
22.6
20.1
11EPALES

00300
00

MG/L

10.6
10.4
10.1
9.8
9.6




7.1
0.4



0.8



0.4
6.0
4.8
2.6
0.1
0.0
0.0
0.0

00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
35 90
90
90
88
88
88
106 102
102
102
100
100
100
101
101
90
85
88
95
95
103
74 95
95
96
105
114
120
154
3
00400
PH

su
7.30
7.40
7.40
7.40
7.40
7.40
8.60



7.80
6.70



6.70



6.90
6.90
6.80
6.60
6.70
6.60
6.50
6.60

00410
T ALK
CAC03
MG/L
27
27
27
29
29
28
31



30
35



36



51
29
28
30
34
36
35
44
2111202
0100
00610
NH3-N
TOTAL
MG/L
0.050
0.040
0.050
0.060
0.060
0.080
0.090



0.060
0.090



0.080



0.580
0.080
0.080
0.130
0.340
0.610
0.860
2.230
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.300
0.300
0.200
0.200K
0.200K
0.200K
0.400



0.200K
0.200



0.200



0.700
0.500
0.300
0.400
0.800
1.200
1.500
3.000
00630
N02&N03
N-TOTAL
MG/L
0.240
0.240
0.240
0.250
0.250
0.250
0.070



0.050
0.170



0.290



0.050
0.050
0.040
0.050
0.020
0.030
0.050
0.060
00671
PHOS-DIS
ORTHO
MG/L P
0.005
0.006
0.006
0.008
0.008
0.005
0.008



0.005
0.007



0.004



0.005
0.007
0.007
0.007
0.009
0.022
0.028
0.032
         K VALUE KNOWN TO BE
         LESS THAN INDICATED

-------
STORE! RETRIEVAL DATE 76/OZ/05
DATE
FROM
TO
73/04/07





73/07/13




73/09/26






00665 32217
TIME DEPTH PHOS-TOT CHLRPHYL
OF A
DAY FEET
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
00
00
00
00
00
00
50
50
50
50
50
45
45
45
45
45
45
45
0000
0004
0015
0040
0065
0096
0000
0024
0030
0060
0098
0000
0015
0040
0055
0075
0085
0095
MG/L P
0.051
0.045
0.044
0.042
0.043
0.047
0.014
0.017
0.016
0.011
0.037
0.019
0.018
0.020
0.030
0.055
0.079
0.203
UG/L
14.2





3.6




5.0






                                                                  510601
                                                                 36 35 26.0 078 18 02.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51117   VIRGINIA
                                                                 11EPALES
                                                                 3
 2111202
0100 FEET
DEPTH

-------
STORET RETRIEVAL DATE 76/03/05
                                                                  510603
                                                                 36 27 15.0 078 22 55.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51      VIRGINIA
DATE
FROM
TO
73/Of/07




73/07/13









73/09/26



00010
TIME DEPTH WATER
OF TEMP
DAY FEET
10
10
10
10
10
14
14
14
14
14
14
14
14
14
14
10
10
10
10
45
45
45
45
45
55
55
55
55
55
55
55
55
55
55
15
15
15
15
0000
0004
0015
0040
0060
0000
0005
0010
0016
0020
0025
0030
0035
0040
0043
0000
0015
0025
0040
CENT
12.
12.
12.
11.
10.
?9.
29.
29.
28.
27.
26.
25.
24.
23.
22.
25.
25.
25.
25.

9
9
4
5
4
2
1
0
0
7
7
9
5'
1
5
2
2
2
1
00300
DO
MG/L

11.
11.
10.
9.
7.

7.
4.


0.


0.
6.
5.
6.
5.



9
1
3
2
5

4
2


0


0
4
8
0
0
11EPALES

00300
00

MG/L

11.9
11.1
10.3
9.2
7.5

7.4
4.2


0.0


0.0
6.4
5.8
6.0
5.0

00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
44 100
100
95
95
95
72 108
107
107
106
104
109
112
111
113
118
40 110
108
107
120
3
00400
PH

SU





7.80

7.70
6.70


6.70


6.70
7.60
7.20
6.90
6.80

00410
T ALK
CAC03
MG/L
27
26
26
27
27
36

32
33


33


35
27
25
26
27
2111202
0065
00610
NH3-N
TOTAL
MG/L
0.040
0.030
0.030
0.050
0.080
0.110

0.060
0.090


0.140


0.460
0.080
0.050
0.060
0.090
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.300
0.300
0.200K
0.200
0.300
0.900

0.400
0.400


0.400


O.BOO
1.100
0.600
0.700
0.800
00630
N02&N03
N-TOTAL
MG/L
0.080
0.070
0.100
0.170
0.160
0.090

0.040
0.060


0.080


0.110
0.040
0.020
0.030
0.030
00671
PHOS-DIS
ORTHO
MG/L P
0.004
0.002
0.003
0.003
0.004
0.014

0.008
0.006


0.009


0.013
0.009
0.007
0.007
0.007
        K VALUE KNOrfN TO BE
        LESS THAN INDICATED

-------
STORET RETRIEVAL DATE 76/02/05
  DATE
  FROM
   TO

73/04/07
          OF
         DAY  FEET
         10 45 0000
         10 45 0004
         10 45 0015
         10 45 0040
         10 45 0060
73/07/13 14 55 0000
         14 55 0010
         14 55 0016
         14 55 0030
         14 55 0043
73/09/36 10 15 0000
         10 15 0015
         10 15 0025
         10 15 0040
0665
•S-TOT

>/L P
0.030
0.028
0.023
0.028
0.031
0.026
0.022
0.023
0.035
0.089
0.033
0.031
0.029
0.043
32217
CHLRPHYL
A
UG/L
23.2




5.2




15.6



                                                                  510602
                                                                 36 27 15.0 078 22 55.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51      VIRGINIA
                                                                 11EPALES
                                                                 3
                                                                                      2111202
                                                                                     0065 FEET
DEPTH

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  510603
                                                                 36 35 16.0 078 25 17.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51117   VIRGINIA

DATE
FROM
TO
73/04/07





73/07/13










73/09/25






TIME
OF
DAY
12 50
12 50
12 50
12 50
12 50
12 50
11 55
11 55
11 55
11 55
11 55
11 55
11 55
11 55
11 55
11 55
11 55
13 35
13 35
13 35
13 35
13 35
13 35

DEPTH

FEET
0000
0004
0015
0035
0065
0085
0000
0005
0010
0015
0021
0025
0030
0040
0050
0060
0065
0000
0015
0030
0045
0060
0078
00010
WATER
TEMP
CENT
13.9
13.6
13.4
13.2
10.8
10.3
29.3
29.3
29.3
29.1
27.4
26.4
25.4
23.7
22.0
20.5
19.9
25.7
25.6
25.4
25.2
24.0
23.5
11EPALES

00300
DO

MG/L

9.6
9.4
9.2
9.0
8.8




2.2
0.6


0.2

0.2
6.0
5.8
4.6
4.6
3.0
2.2

00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
24 90
95
95
95
90
90
72 105
103
104
104
104
102
102
103
100
96
105
72 97
96
98
103
111
112
3
00400
PH

SU
7.60
7.50
7.50
6.90
7.20
7.20
8.60



6.80
6.70


6.80

6.80
6.90
6.80
6.70
6.70
6.60
6.60

00410
T ALK
CAC03
MG/L
28
29
12
28
27
27
35



36
36


42

48
36
36
36
37
38
40
2111202
0090
00610
NH3-N
TOTAL
MG/L
0.070
0.070
0.080
0.100
0.110
0.140
0.100



0.100
0.080


0.120

0.340
0.110
0.070
0.100
0.130
0.220
0.260
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.300
0.200K
0.200
0.200
0.300
0.500
0.500



0.300
0.300


0.200

0.500
1.100
0.400
0.400
0.400
0.600
0.800
00630
N02&N03
N-TOTAL
MG/L
0.250
0.250
0.240
0.270
0.270
0.280
0.050



0.160
Oo350


0.340

0.160
0.060
0.050
0.060
, 0.060
0.120
0.130
00671
PHOS-DIS
ORTHO
MG/L P
0.015
0.013
0.014
OoOll
OoOlO
0.010
0.005



0.007
0.008


0.006

0.007
0.011
0.008
0.008
0.008
0.013
0.022
         K VALUE KNOWN TO BE
         L£SS THAN INDICATED

-------
STORE! RETRIEVAL DATE 76/03/05
DATE
FROM
TO
73/04/07





73/07/13




73/09/25





00665 32217
TIME DEPTH PHOS-TOT CHLRPHYL
OF A
DAY FEET
12
12
12
12
12
12
11
11
11
11
11
13
13
13
13
13
13
50
50
50
50
50
50
55
55
55
55
55
35
35
35
35
35
35
0000
0004
0015
0035
0065
0085
0000
0021
0025
0050
0065
0000
0015
0030
0045
0060
0078
MG/L P
0.066
0.064
0.056
0.049
0.050
0.176
0.018
0.017
0.022
0.019
0.032
0.030
0.024
0.020
0.026
0.050
0.073
UG/L
4.2





5.3




7.0





                                                                  510603
                                                                 36 35 16.0 078 25 17.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51117   VIRGINIA
                                                                 11EPALES
                                                                 3
 2111202
0090 FEET
DEPTH

-------
STORE! RETRIEVAL DATE 76/02/05
                                                                 36 36 50,0 078 31 55.0
                                                                 JOHN HC, KEtffi RESERVOIR
                                                                 51H?   VIRGINIA

DATE
FROM
TO
73/04/07





73/07/13



73/09/25






TIME DEPTH
OF

DAY FEET
10 15
10 15
10 15
10 15
10 15
10 15
12 00
12 00
12 00
12 00
14 15
14 15
14 15
14 15
14 15
0000
0006
0015
0025
0035
0047
0000
0006
0015
0030
0000
0015
0025
0030
0036
00010
MATER
TEMP
CENT
14.4
14.0
13.9
13.8
13.6
13.0
28.4
28.3
27.9
25.6
25.6
25.5
24.6
23.4
22.6
                                00300
                                 DO

                                MG/L
                                   9.0
                                   9.0
                                   9.0
                                   9.0
                                   8.5

                                   8.0
                                   5.2
                                   1.7
                                   7.4
                                   7.4
                                   6.4
                                   6.0
                                   4.0
                              00077     00094
                             TRANSP   CNDUCTVY
                             SECCHI   FIELD
                             INCHES   MICROMHO
                                              14
                                            85
                                            85
                                            80
                                            90
                                            85
                                            81
                                            96
                                            95
                                            92
                                            95
                                           105
                                           105
                                           108
                                           108
                                           312
HEP ALES
3
00400
PH

5U
7.50
T.50
7.50
7.50
7,50
7,50
9,00
So70
7.20
6*80
fc.80
6,80
6,70
So 70
60 70

oo*ie
T ALX
CAC03
M;VI_
26
25
26
as
24
25
31
28
29
3<-
36
35
38
39
38
2111202
0051
006)0
NH3-N
TOTAL.
H6/L
')oP80
Ooioo
0^090
fs.,080
IK, 100
'.,,-110
(So 080
Oo060
0.-090
O.,200
Co 050
C,040
C»070
Gcl40
0,170
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.400
0.300
0.300
0.300
0.200
0.400
0,800
0.400
0 600
0.500
OoSOO
Oo400
0.500
0.600
0,600
00630
N02&N03
N-TOTAL
MG/L
0.250
0.250
0.260
0.250
0.270
0.250
0.060
0.050
0.090
0.240
0.060
0.060
0.050
0.100
0.140
00671
'HOS-OIS
ORTHO
MG/L P
0.015
0.015
0.018
0.014
0.015
0.015
0.005
0.005
0.005
0.010
0.011
0.009
0.009
0.015
0.016
                      00665     32217
  DATE   TIME DEPTH PHOS-TOT  CHLRPHYL
  FROM    OF                     A
   TO    DAY  FEET   MG/L P     UG/L
73/04/07
         10
         10
         10
         10
         10
         10
15 0000
15 0006
15 0015
15 0025
15 0035
15 0047
73/07/13 12 00 0000
         12 00 0006
         12 00 0015
         12 00 0030
73/09/25 14 15 0000
         14 15 0015
         14 15 0025
         14 15 0030
         14 15 0036
0.083
0.090
0.089
0.089
0.080
0.075
0.042
0.037
0.036
0.046
0.039
0.035
0.041
0.073
0.093
                       2.9
                                  19,2
                      15.8

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  S10605
                                                                 36 41 15.0 078 40 00.0
                                                                 JOHN H. KERR RESERVOIR
                                                                 51117   VIRGINIA

DATE TIME DEPTH
FROM OF
TO DAY FEET
73/04/07 12 15 0000
12 15 0006
12 15 0016
73/07/13 10 30 0000
10 30 0006
10 30 0012
10 30 0017
73/09/25 15 00 0000
15 00 0005
00010
WATER
TEMP
CENT
14.3
14.0
13.9
28.0
27.7
26.5
26.0
24.1
24.1
                                00300     00077     00094
                                 DO      TRANSP   CNDUCW
                                         SECCHI   FIELD
                                MG/L     INCHES   MICROMHO
                                   8.9
                                   8.9

                                   7.4
                                   8.0
                                   7.9
                                   8.0
14


20



18
 81
 75
 75
 85
 90
 96
108
115
114
11EPALES
3
00400
PH

SU
7.50
7.50
7.50
7.20
7.30
7.70
7.60
7.00

00410
T ALK
CAC03
MG/L
23
22
23
35
38
49
40
32
2111202
0021
00610
NH3-N
TOTAL
MG/L
0.080
0.070
0.080
0.110
0.080
0.070
0.060
0.060
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.400
0.300
0.300
1.800
0.500
0.400
0.400
0.900
00630
N02&N03
N-TOTAL
MG/L
0.230
0.230
0.240
0.320
0.310
0.180
0.190
0.230
00671
PHOS-OIS
ORTHO
MG/L P
0.030
0.026
0.024
0.039
0.021
0.009
0.006
0.057

DATE
FHOM
TO
73/04/07


73/07/13



73/09/25

TIME DEPTH
OF
DAY FEET
12 15 0000
12 15 0006
12 15 0016
10 30 0000
10 30 0006
10 30 0012
10 30 0017
15 00 0000
00665
PHOS-TOT

MG/L P
0.082
0.101
0.095
0.104
0.082
0.046
0.052
0.124
32217
CHLRPHYL
A
UG/L
2.6


11.9



10.3

-------
STOHET RETRIEVAL DATE 76/02/05
                                                                  510606
                                                                 36 42 10.0 078 39 35.0
                                                                 JOHN H. KERR RESENVOIR
                                                                 51117   VIRGINIA
DATE
FKOM
TO
73/04/07


73/07/13


73/09/25


DATE
FROM
TO
73/04/07


73/07/13


73/09/25

TIME DEPTH
OF
DAY FEET
13 00 0000
13 00 0006
13 00 0017
11 20 0000
11 20 0006
11 20 0013
15 30 0000
15 30 0007

TIME DEPTH
OF
DAY FEET
13 00 0000
13 00 0006
13 00 0017
11 20 0000
11 20 0006
11 20 0013
15 30 0000
15 30 0007
00010
WATER
TEMP
CENT
12.4
12.1
12.1
25.2
24.2
24.2
23.4
23.4
00665
PHOS-TOT

MG/L P
0.062
0.065
0.064
0.045
0.044
0.044
0.086
0.076
00300
DO
MG/L

10.
10.

6.
7.
7.
7.
32217
00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO

1
0

9
0
8

-------
       APPENDIX E
TRIBUTARY and WASTEWATER
  TREATMENT PLANT DATA

-------
STORE! RETRIEVAL DATE 76/02/05
                                                                  5106A1
                                                                 36 35 55.0 078 18 00.0
                                                                 KOANOKE RIVER
                                                                 51      15 BOYDTON
                                                                 0/JOHtt H KERR RES
                                                                 SAMPLE AT 200 YDS BELO KERR DAM
                                                                 11EPALES             2111304
                                                                 4                   oooo FEET  DEPTH
DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/10/19
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07

74/05/05
74/05/20
74/06/14
74/06/28
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
12
12
10
12
11
12
12
12
12
10
12
09
13
12
11
00
10
15
30
55
20
00
45
05
35
50
05
45
20
35
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
•
•
•
•
*
•
•
•
•
•
•
•
•
•
•
260
024
019
105
168
160
208
330
310
160
276
200
208
232
216
MG/L
0.520
1.260
0.710
3.600
0.450
0.900
1.200
1.500
1.200
0.300
0.900
0.200
0.100
0.200
0.200
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
110
430
395
130
025
064
078
090
040
015
055
060
030
025
040
MG/L P
0.005K
0.020
0.007
0.012
0.007
0.003
0.012

0.005
0.005
0.035
0.010
0.005
0.005K
0.005K
MG/L P
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.015
.050
.037
.015
.019
.025
.040
.005
.030
.020
.040
.030
.010
.010
.015
                  K VALUE KNOlrfN TO BE
                  LESS THAN INDICATED

-------
STORE! RETRIEVAL DATE 76/03/05
                                                                  5106A2
                                                                 36 49 50.0 076 41 25.0
                                                                 ROANOKE RIVER
                                                                 51      HALIFAX CO HWY M
                                                                 I/JOHN H KERR RES
                                                                 US 360 BRDG 2.5 MI E OF CLOVER
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH

DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07
74/05/05
74/05/20
74/06/15
74/06/30

TIME DEPTH
OF
DAY FEET
12 10
10 35
10 00
09 50
10 30
10 30
14 40
10 25
12 05
10 20
11 00
10 05
18 05
00630
N02&N03
N-TOTAL
MG/L
0.490
0.273
0.132
0.138
0.224
0.240
0.430
0.148
0.252
0.176
0.340
0.250
0.250
00625
TOT KJEL
N
MG/L
1.540
1.470
0*660
3.300
0.700
0.800
1.600
0.900
0.400
0.100
0.300
0.200
0.300
00610
NH3-N
TOTAL
MG/L
0.100
0.190
0.067
0.088
0.044
0.028
0.060
0.037
0.015
0.015
0.045
0.010
0.005
00671
PHOS-DIS
ORTHO
MG/L P
0.014
0.017
0.019
0.013
0.012
0.012
0.015
0.010
0.015
0.010
0.015
0.010
0.010
00665
PHOS-TOT

MG/L P
0.165
0.075
0.050
0.040
0.055
0.055
0.100
0.060
0.080
0.060
0.175
0.060
0.055

-------
STORE! RETRIEVAL DATE 76/02/05
                                                                  5106dl
                                                                 36 22 10.0 078 24 30.0
                                                                 NUTHUSH  CREEK
                                                                 51      VANCE CO NC HWY
                                                                 T/JOHN H KERR RES
                                                                 BROG ON  FAS 1317 2 MI  N OF HENDERSON
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/10/19
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07
74/05/05
74/05/20
74/06/14
74/06/28
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
12
10
10
12
11
11
11
11
11
11
09
12
11
11
45
55
30
00
15
45
00
55
15
20
40
15
45
00
MG/L
0
0
0
»
•
•
075
010K
Oil
0.015
0
0
0
0
0
0
0
0
0
0
•
•
*
*
•
•
•
•
•
*
Oil
024
152
208
044
016
003
012
024
044
MG/L
1.470
0.660
0.940
0.900
0.700
0.800
1.200
1.400
1.300
0.700
0.300
0.250
0.500
0.600
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
021
039
024
048
020
080
384
230
050
010
010
015
010
045
MG/L P
0.008
0.013
0.010
0.015
0.017
0.024
0.044
0.075
0.040
0.015
0.005K
0.005
0.005K
0.005
MG/L P
0
0
0
0
0
0
0
0
0
.085
.070
.075
.080
.100
.155
.130
.195
.210
0.035
0
0
0
0
.035
.027
.035
.065
                   K  VALUE  KNOWN  TO 8E
                   LESS THAN INDICATED

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  5106C1
                                                                 36 32 57.0 078 28 00.0
                                                                 ISLAND CREEK
                                                                 51      15 80YDON
                                                                 0/JOHN H KERR RES
                                                                 ISLAND CREEK DAM 3 MI N OF TUNGSTEN
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH

DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/10/19
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07
74/05/05
74/05/20
74/06/14
74/06/28

TIME DEPTH
OF
DAY FEET
10 55
10 ?1
11 10
11 25
10 55
11 15
10 35
11 20
10 45
11 50
10 05
11 30
10 55
10 35
00630
00625
N02&N03 TOT KJEL
N-TOTAL
MG/L
0.084
0.052
0.010K
0.010K
0.010K
0.016
0.120
0.140
0.036
0.048
0.012
0.068
0.006
0.032
N
MG/L
2.000
0.980
0.640
0.950
0.450
0.500
1.100
1.100
1.100
0.500
0.500
0.400
0.400
0.500
00610
NH3-N
TOTAL
MG/L
0.048
0.056
0.019
0.036
0.015
0.016
0.056
0.070
0.030
0.015
0.020
0.020
0.007
0.045
00671
PHOS-DIS
ORTHO
MG/L P
0.005K
0.021
0.013
0.014
0.008
0.012
0.020
0.015
0.005
0.010
0.005K
0.010
0.005
0.005K
00665
PHOS-TOT

MG/L P
0.020
0.125
0.075
0.057
0.035
0.050
0.075
0.045
0.045
0.010
0.025
0.060
0.035
0.060
                     K  VALUE KNOWN TO BE
                     LESS  THAN INDICATED

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  5106D1
                                                                 36 30  50.0 078 37 30.0
                                                                 GRASSY CREEK
                                                                 51      IS CLARKSVILLE
                                                                 T/JOMN H KERR RES
                                                                 GRASSY CK RD BKDG 5 MI NW OF STOVALL
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/10/19
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07
74/05/05
74/05/20
74/06/14
74/06/28
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
10
09
11
11
10
10
10
10
10
12
10
11
10
10
15
45
30
10
30
55
15
50
25
20
25
00
40
15
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.056
.076
.010K
.010K
.010K
.012
.116
.176
.024
.084
.004
.012
.024
.028
MG/L
1.050
1.070
0.630
2.300
0.650
0.750
1.100
1.300
1.200
0.400
0.200
0.300
0.400
0.600
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.021
0.138
0.017
0.048
0.016
0.020
0.048
0.080
0.025
0.020
0.015
0.020
0.020
0.020
MG/L
0
*
P
005K
0.040
0
0
0
0
0
0
0
0
0
0
0
0
•
•
•
•
•
*
*
•
*
•
•
•
010
Oil
006
008
028
015
005K
010
005
005
005K
005K
MG/L P
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.055
.185
.035
.040
.030
.052
.115
.085
.037
.010
.027
.035
.015
.055
                   K  VALUE KNOWN TO BE
                   LESS  THAN INDICATED

-------
STORE! RETRIEVAL DATE 76/02/05
                                                                  5106E1
                                                                 36 39 55.0 078 45 20.0
                                                                 HYCO RIVER
                                                                 51      HALIFAX CO HWY M
                                                                 T/JOHN H KERR RES
                                                                 US 58 8RDG 8 MI E OF S BOSTON
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/10/19
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07
74/05/05
74/05/20
74/06/14
74/06/28
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAV FEET
10
09
12
10
10
10
09
10
10
12
10
10
10
09
10
00
57
35
00
25
15
15
00
45
45
30
05
55
MG/L
0.560
0.154
0.010K
0.010K
0.013
0.024
0.112
0.148
0.112
0.108
0.250
0.184
0.216
0.384
MG/L
0.720
1.100
1.980
1.400
1.800
0.400
0.800
1.600
1.000
0.400
0.400
0.700
0.800
0.600
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.039
0.052
0.056
0.085
0.068
0.036
0.036
0.060
0.045
0.025
0.108
0.045
0.010
0.030
MG/L P
0.040
0.060
0.013
0*022
0.061
0.024
0.016
0.015
0.020
0.030
0.030
0.040
0.015
0.005
MG/L P
0.120
0.220
0.090
0.085
0.115
0.165
0.080
0.070
0.080
0.037
0.100
0.200
0.075
0.075
                    K  VALUE  KNOWN  TO  BE
                    LESS  THAN  INDICATED

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  5106F1
                                                                 36 41  30.0 078 53 12.0
                                                                 DAN RIVER
                                                                 51      HALIFAX CO HWV M
                                                                 I/JOHN H KtHR RES
                                                                 HT 304 BRDG IN S BONSTON
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET
DEPTH
DATE
FROM
TO
73/07/14
73/08/18
73/09/23
73/10/22
73/11/11
73/12/08
74/01/13
74/02/10
74/03/17
74/05/05
74/05/20
74/06/15
74/06/30
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
09
09
11
10
08
09
09
13
09
11
12
08
17
45
45
00
15
30
00
40
40
05
20
00
40
00
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
.460
.420
.320
.370
.260
.184
.300
.300
.260
.260
.290
.384
.360
MG/L
0.
3.
0.
0.
3.
0.
0.
1.
0.
0.
560
360
637
700
200
500
950
400
600
500
0.200
0.
0.
500
400
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.032
0.315
0.021
0.025
0.077
0.020
0.024
0.050
0.032
0.025
0.015
0.015
0.015
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
•
•
*
•
•
•
•
•
•
•
•
•
•
p
073
079
160
160
140
060
048
035
070
075
050
090
090
MG/L P
0.210
0.375
0.270
0.375
0.190
0.160
0.180
0.200
0.155
0.155
0.160
0.190
0.200

-------
STORE! RETRIEVAL DATE 76/03/05
                                                                  5106G1
                                                                 36 43 00.0 078 48 20.0
                                                                 BANISTER RIVER
                                                                 51      HALIFAX CO HWY M
                                                                 T/JOMN H KERR RES
                                                                 RT 716 BRDG 4.5 MI E OF S HOSTON
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/07/14
73/08/18
73/09/23
73/10/22
73/11/11
73/12/08
74/01/13
74/02/10
74/03/17
74/04/07
74/05/05
74/05/20
74/06/15
74/06/30
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
11
10
10
10
08
09
10
14
09
12
11
12
09
17
25
00
45
00
50
30
00
00
25
40
00
00
15
30
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.220
.180
.086
.087
.058
.064
.208
.240
.184
.208
.092
.120
.144
.148
MG/L
0.477
0.340
0.350
3.750
3.000
0.100K
0.900
3.400
1.000
0.800
0.300
0.200
0.300
0.400
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.028
0.060
0.021
L 0.150
0.126
0.020
0.036
0.205
0.050
0.055
0.025
0.020
0.020
0.025
MG/L P
0.017
0.027
0.014
0.021
0.021
0.012
0.028
0.010
0.015
0.025
0.010
0.015
0.010
0.010
MG/L P
0.075
0.080
0.060
0.165
0.035
0.040
0.125
0.063
0.040
0.105
0.025
0.065
0.045
0.040
                   K VALUE KNOWN TO BE
                   LESS THAN INDICATED

-------
STORET RETRIEVAL DATE 76/OZ/05
                                                                  5106H1
                                                                 36 45 10.0 078 42 30.0
                                                                 DIFFICULT CREEK
                                                                 51      HALIFAX CO H*Y M
                                                                 T/JOHN H KERR RES
                                                                 RT 716 BRDG 6 MI E OF SCOTTSBURG
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH

DATE
FROM
TO
73/07/14
73/08/18
73/09/23
73/11/11
73/12/08
74/01/13
74/02/10
74/03/17
74/04/07
74/05/05
74/05/20
74/06/15
74/06/30

TIME DEPTH
OF
DAY FEET
11 50
10 20
10 26
09 30
09 45
10 15
14 20
09 45
12 20
10 45
11 20
09 40
17 50
00630
N02&N03
N-TOTAL
MG/L
0.138
0.056
0.020
0.010K
0.016
0.072
0.112
0.064
0.024
0.028
0.104
0.116
0.108
00625
TOT KJEL
N
MG/L
0.560
0.920
0.460
1.850
0.400
0.600
1.100
0.600
0.300
0.100
0.100
0.200
0.300
00610
NH3-N
TOTAL
MG/L
0.024
0.240
0.024
0*052
0.016
0.020
0.055
0.040
0.015
0.010
0.025
0.015
0.015
00671
PHOS-DIS
ORTHO
MG/L P
0.009
0.017
0.005K
0.017
0.012
0.016
0.010
0.015
0.010
0.010
0.010
0.010
0.015
00665
PHOS-TOT

MG/L P
0.025
0.045
0.030
0.025
0.030
0.035
0.050
0.040
0.020
0.020
0.015
0.025
0.030
                    K VALUE KNOWN TO BE
                    LESS THAN INDICATED

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  5106K1
                                                                 36 41 57.0 078 34 40.0
                                                                 LITTLE BLUESTONE CREEK
                                                                 51      15 CLARKSVILLE
                                                                 T/JOHN H KERR RES
                                                                 HT 609 BRDG 2 MI SSE OF ORGANSVILLE
                                                                 HEPALES             2111204
                                                                 4                   0000 FEET  DEPTH

. DATE TIME DEPTH
FROM OF

-------
STORET RETRIEVAL DATE 76/02/05
                                                                  5106L1
                                                                 36  41  57.0  078  27  30.0
                                                                 BUTCHER  CREEK
                                                                 51       15  BOrOTON
                                                                 T/JOHN H KERR R£S
                                                                 RT  677 BRDG 6 MI Nw  OF BOYUTON
                                                                 HEP ALES             2111204
                                                                 4                   0000  FEET   DEPTH

DATE
FROM
TO
73/07/14
73/08/19
73/09/23
73/10/19
73/11/11
73/12/08
74/01/12
74/02/10
74/03/16
74/04/07
74/05/05
74/05/20
74/06/14
74/06/28

00630
TIME DEPTH N02&N03
OF
DAY FEET
11 20
12 44
11 00
13 45
12 45
13 ?6
13 15
13 45
12 30
10 10
08 15
14 30
12 55
12 35
N-TOTAL
MG/L
0.390
0.110
0.031
0.012
0.017
0.120
0.116
0.168
0.016
0.028
0.140
0.288
0.184
0.420
00625
TOT KJEL
N
MG/L
1.150
1.300
0.230
1.450
2.800
0.400
0.400
1.300
0.700
0.200
0.500
0.300
0.300
0.300
00610
NH3-N
TOTAL
MG/L
0.087
0.120
0.011
0.081
0.100
0.016
0.024
0.060
0.015
0.010
0.045
0.035
0.015
0.025
00671
PHOS-DIS
ORTHO
MG/L P
0.060
0.040
0.042
0.054
0.092
0.076
0.028
0.035
0.015
0.035
0.025
0.030
0.025
0.070
00665
PHOS-TOT

MG/L P
0.105
0.110
0.075
0.080
0.120
0.140
0.055
0.135
0.045
0.040
0.055
0.070
0.050
0.140

-------
STORET RETRIEVAL LJATt 7b/ii3/26
                                                                   5106bA           TF5106BA     P013500
                                                                  3d  2b  00.0  078 30 00.0
                                                                  NUT BUSH (HENDERSON)
                                                                  51051  "  250 GREENSBORO
                                                                  I/JOHN H. KERR RESERVOIR
                                                                  NUT tiUSH CREEK
                                                                  llEPALESv          ..  2141204
                                                                  4                   0000 FEET  DEPTH
OATt
FROM
TO
73/06/26
CP ( T > -
73/06/27
73/07/30
CP (T) -
73/07/31
73/08/24
CP(T)-
73/u8/30
73/09/26
CP ( T > -
73/09/27
73/10/30
ep ( r >-
73/10/.31
73/11/28
CPU>-
73/11/29
73/12/14
CP< D-
73/l2/2u
74/0 1/30
CPU)- ,
7<*/u 1/31
74/o 23.uOO
00610
NH3-N-
TOTAL
rt'3/L

12.500


8.230





lh.800

9.900


-.700


6.700


4. BOO


5.200


4.600


9.100


6.700
00671
PHOS-DIS
00665
PHOS-TOT
URTHO
MG/L

9.


7.


10.


13.

2.


7.


8.


7.


8.


7.


10.


7.
P

300


300


600


700

000


200


600


500


700


100


000


700
MG/L

10.


12.


12.


15.

15.


9.


11.


P

000


500


500


000

400


100


000


0.900


10.


9.


12.


8.


500


200


500


300
50051
FLOW ;
RATE
1NST

1


1


1


1

1


1


1


1


1


1


1


1
MGD

.210


.030


.290


.170

.110


.310


.580


.710


.690


.'660


.260


.590
50053
CONDUIT
FLOK-MGD
MONTHLr

1.070


Oj.997


1.170


1.120

1.030


0.977


1.260


1.660


1.530


1.530


1.420


1.490
         iv 00

-------
rfETHIE'VAL JAlii  7i/i,3/26
                                                             510&FA          PK5106FA     P011300
                                                            36  41  45.0 07b 54 00.0
                                                            CITY UF SOUTH bOSTOiM
                                                            51       HALIFAX CO Hm/Y
                                                            T/JOHN KEKK RESEKV01H
                                                            DAN HIVE*
                                                            11EPALES             2141204
                                                            4                   0000 FEET   DEPTH

DA IE
FHOK
TO
73/10/11
CP < T) -
73/10/11
73/11/14
CP i T ) -
7J/11/14
73/12/14
-CP
7n/u6/2M
CH (T)-

0063o 0062b
I 1ME DEPTH -M02«.N03 TOT KJEL
OF
UAY
11

16
11

16
11

16
11

16
11

lt>
11

\<->
11

16
11

16
11

;>i-TOTAL N
FEET MG/L -UG/L
00
o.Obj 2S.UOO
t)(i
O'j
u.42j 22.000
00
0-0
^.310 25.0^0
03
-0-0
i/.8^J 16.'JOO
00
00
c.44d 19-. UOO
00
00
0.2-^0 -IS.i, JO
00
-DC
•j . 1 2 0 21,000
(> 0
00
j.Ooo 34. ^jy
00
fiu
J .56^ 2?. uOt*
00610
NH 3-N
TOTAL
H<,/

10.


4.


4.


3,


3.


3.


->•


ft


3.


0.00


000


50-0


900


400


700


000


350


000
006
n
PnOS-UlS
OOf
65
500
i; . ••
PHOS-TOT FLO^
OPT HO
MG/L

d.


5.


5.


•-5.


4.


3.


6.


5.


4.
P

300


500


ttOU


156


£00


100


200


700


350
MG/L

12.


14.


14..


V.


d.


4.


11 .


12.


y.
P

500


000


000


voo


700


100


25o


oOO


300
WATE
1NST

1.


1.


1.


1.


1.


1.


2.


2.


MGO

400


400


700


500


600


5GO


100


000


l.bOO
5*0^3
CONDU I T
FLOw-MGQ
MONTHLY

1.200


1.700


1.100


1 .000


1.800


1.600


1.200


1.280


1.310
   16 00

-------
bTOKET RETRIEVAL UATt  75/03/26
                                                                   SlObFB          AS5106FB      P050000*
                                                                  36 35 30.0 079 24 00.0
                                                                  CITY OF DANVILLE
                                                                  Si      PITTSYLVAN1A CO
                                                                  T/JOHiM KERR RESERVOIR
                                                                  DAN RIVER
                                                                  11EPALES             2141204
                                                                  4                   0000 FEET   DEPTH

                       I,'j63i      00625      U0610      00671      00665     50051     50053
  DATE   TIME OEPM 'VIU2&N03   Tur  KJEL    NH3-N    PHOS-DIS  PHOS-TOT    FLO*    CONDUIT
  FkLM    OF        N-TUF4L      N       TOTAL     OKTHO                RATE    FLO*-MGD
   Td    IMY  FEET     MG/L       MG/L       MU/L     MG/L P     MG/L P   1NST MGO  MONTHLY
73/10/2*
cp./„<;/ 1 7
CP(T)-
74/J2/ In
74/o3/3o
CP IT) -
74/^3/31
74/04/3J
CP ( D -
7-»/0'»/30
74/o5/2-<
C" ( T) -
74/^3/2-9
74/ jb/ JO
C^ ( F ) -
74/ub/3li
74/u //3l
CP(F)-
74/n7/3l
74/Cio/.'H
74/jv/ Ju
C^( D-
74/J9/3J
74/ 1 O/ J I
CP(T)-
74/1 u/3l
24

24
110

12
24

24
2-»

24
24

24
24

t!t
00

24
00

24
00

24
00

24

00

24
uO

24
00

00
01

ou
00

oc
00

00
00

00
00

oc
JO

.00
JO

00
UO

00
no

CO

so

uft
00

00

2u.00o O.bOOK


7.50J 3.500


ly.Soj 1.150


4.6'JD 2.500


3.7uu 2.000


4.200 3.200


'.VOJ 3.600


7.bbo 2.?00


ll.dou 2.30J


Ic.HilO 2.uOO

cT.J.UOu 1..150

ci.Uj;/ l.tOO


Ib.OoO 1.500


0.095


0.290


0.440


0.040ft


u.Obo


J.315


0.180


0.130


0.070


J. Ibo

0. 14J

./.160


U.085


6.800


5.900


4.900


5.500


4.600


4.000


•i.,750


5.000


4.400


4.500

4.600

4.500


4.000


7.


6.


b.


7.


b.


4.


b.


5.


5.


5.

4.

4.


4.


600


100


400


700


250


500


500


300


500


000

700

900


400


11.


11.


11.


12.


10.


8.


12.


12.


7.


11.

9.

10.


11.


700


200


300


400


400


760


200


400


430


300

280

700


7bO


9


10


10


11


11


10


11


11


10


10

10

10


10


.360


.500


.000


.400


.500


.600


.400


.100


.900


.900

.090

.700


.780

                   l\ VALUE I\NU*N TO bE
                   LLiS (MAN INDICATED

-------
STURtT RETRIEVAL
7t>/03/26
                                            5106GA          PR5106GA     P001500
                                           36 46 25.0 078 50 30.0
                                           TOdiM OF HALIFAX, SOUTH BOSTON
                                           51      HALIFAX CO
                                           T/JOHN H KERR RESERVOIR
                                           BANISTER RIVER
                                           11EPALES             2141204
                                           4                   0000 FEET  DEPTH

DATE
FROM
TO
74/01/31
CP < T > -
74/u 1/31
74/u3/0 1
CP ( T ) -
74/03/01
74/J4/ Ih
CPU>-
74/ 04/ Ifi
74/ j5/0b
CM ( T ) -
74/05/OH
74/OO/lU
CP( D-
74/06/lu
74/07/11

TIwi
ut-
UAY
11

16
d9

13
u9

13
-0^

13
OB

13
U9

E. DEPTH

FtET
00

00
00

o-O
00

00
00

00
00

00
30
u063u
N02MM03
rJ-TuTAL
Mb/L

ii.3ifj


0.32U


u ,24'J


U .320


j . 320

J.24J
U06?5
TOT KJt'L
N
MG/L

29.000


33.000


33.JXJO


39.000


45.000

3*.UOO
00610
JMH3-N
TOTAL
Mo/L

i/e.ooo


IS. 000


IS. 700


2-J.OOO


19.750

24.000
                              00671     00665     50051     50053
                            PHOS-DIS  PHOS-TOT    FLOw    CONDUIT
                             ORTHO                RATE    FLOW-MGU
                             MG/L P    MG/L P   INST MGO  MONTHLY
                               7.200    22.000     0.080     0.080


                               9.700    19.500     0.060     0.080


                               7.100    13.000     0.08X)     O.OttO


                               7.30J    10.500     0.080     0.080


                      .750     9.817    14.500     0.080     0.080

                    24.000    11.000    15.000     0.080     O.OBO

-------
STORET RETRIEVAL UATE 75/03/26
DATE •
FRUM
TO
73/lu/Ol
73/11/02
73/11/30
73/12/31
74/01/31
74/03/01
74/o3/2s-
74/05/03
74/06/03
74/08/20
74/0^/26
74/10/30
TIME i
UP
DAY 1
13 30
13 15
15 15
13 10
10 30
13 00
13 45
15 30
15 15
0800
lo 10
08 00
              FEET
                                                                  5106HA          TF5106MA     P002000
                                                                 36 36 12.0 078 33 60.0
                                                                 JOHN OF CLARKSVILLE
                                                                 51      15 CLARKSVILLE
                                                                 T/JOHN KERR RESERVOIR
                                                                 BLUE CREEK
                                                                 11EPALES             2141204
                                                                 4                   0000 FEET  DEPTH
G630

UTAL
IG/L
0.560
0.210
0.070
0.240
0.320
0.160
0.040
t, .280
•j.320
0.120
U.100
0.080
00625
TUT KJEL
N
MG/L
46.UOO
16.500
10.000
49.000
4.400
5.200
9.000
18.250
34.000
12.000
7.600
5.200
00610
NH3-N
TOTAL
MG/L
26.000
0.880
0.590
13.800
0.130
0.330
0.690
4.300
21.000
0.420
0.410
0.220
00671
PHOS-01S
ORTHO
MG/L P
17.490
8.000
7.300
7.050
2.850
5.250
4.600
3.150
7.400
5.300
4.450
3.000
00665
PHOS-TOT

MG/L P
21.000
14.000
11.000
10.500
5.500
6.700
7.500
6.000
9.450
7.600
5.800
3.800
50051
FLO*
RATE
INST MGO
0.225
0.236
0.226
0.200
0.350
0.300
0.256
0.175
0.175
0.225
0.271
0.200
50053
CONDUIT
FLOw-MGO
MONTHLY
0.141
0.205
0.210
0.225
0.300
0.324
0.205
0.239
0.190
0.200
0.250
0.290

-------
STORE! RETRIEVAL DATE 76/02/25
                                                                  5106NA           AP5106NA     P000600*
                                                                 36 36  30.0  078 34 00.0  4
                                                                 BURLINGTON  WORSTED CLARKSVILLE
                                                                 51      15  CLARKSVILLE
                                                                 T/JOHN KERR RESERVOIR
                                                                 UNNAMED  TKIB
                                                                 11EPALES            2141204
                                                                  0000  FEET   DEPTH  CLASS 00
DATE
FROM
TO
74/04/02
74/05/01
74/06/04
74/07/02
CP(T)-
74/07/02
74/08/06
7^/09/04
74/10/01
74/11/01
74/12/03
75/01/07
75/02/03
75/03/03
00630
TIME DEPTH N02&N03
OF N-TOTAL
DAY FEET
10
10
10
00

24
10
10
09
10

10
10
10
00
00
00
00

00
00
00
00
00

00
00
00
MG/L
0
0
0

0

0
0
0
0
0
0
0
0
.040
.080
.040

.440

.052
.200
.208
.080
.320
.240
.080
.080
00625
TOT KJEL
N
MG/L
16.000
24.000
24.000

27.000

22.000
23.000
27.000
28.000
16.000
16.000
30.000
26.000
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.
0.
0.

0.

0.
0.
0.
0.
0.
0.
0.
0.
050K
530
280

230

150
120
275
094
400
390
400
080
MG/L P
0.390
0.320
0.550

0.890

0.380
0.960
0.320
0.400
0.650
0.400
0.480
0.097
50051 50053
FLOW CONDUIT
RATE FLOW-MGD
MG/L P INST MGD MONTHLY
2.200
3.500
4.400

4.400

3.100
5.000
4.600
4.700
2.825
2.400
1.200
3.500
4.000
4.200
4.800

4.800

4.000
3.500
4.200
4.000
3.600
3.300
3.000
2.800
3.500
3.900
3.900

4.400

4.500
3.800
3.800
3.700
3.500
3.500
3.400
3.200
   K  VALUE  KNOWN  TO  BE
   LESS  THAN  INDICATED

-------
STORET RETRIEVAL DATE 76/02/06
                                                                  5106TA          PR5106TA     P000313*
                                                                 36 46 20.0 078 55 00.0
                                                                 HALIFAX MILL HALIFAX
                                                                 51      15 HALIFAX
                                                                 T/JOHN KERR RESERVOIR
                                                                 UNNAMED TRIB/8ANISTER RIVER/DAN RIVER
                                                                 11EPALES             2141204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/10/04
CP(T>-
73/10/04
74/01/10
CP(T)-
74/01/10
74/02/05
CP(T)-
74/02/05
74/03/05
CP(T>-
74/03/05
74/04/02
CP-
74/04/02
74/05/07
CP(T)-
74/05/07
74/06/04
CP(T>- ~
74/06/04
74/07/02
CP(T)-
74/07/02
74/08/13
CP(T>-
74/08/13
74/09/03
CP-
74/09/03
74/10/08
CP(T)-
74/10/08
74/11/05
CP(T>-
74/11/05
00630 00625 00610 00671 00665
TIME DEPTH N024N03 TOT KJEL NH3-N PHOS-DIS PHOS-TOT
OF N-TOTAL N TOTAL ORTHO
DAY FEET MG/L MG/L MG/L MG/L P MG/L P
08

16
08

16
08

16
08

16
08

16
08

16
08

16
08

16
08

16
08

16
08

16
08

16
00

00
00

00
00

00
00

00
00

00
00

00
00

00
00

00
00

00
00

00
00

00
00

00

0


1


0


0


0


0


1


1


0


0


0


0


.090


.160


.600


.360


.520


.680


.760


.320


.600


.120


.260


.320


1.100


8.700


5.600


1.500


3.850


4.400


2.300


3.000


3.300


l.OOOK


4.300


2.600


0.044


0.290


0.120


0.090


0.730


0.180


0.050K


0.520


0.079


0.050K


2.200


0.180


0.120


1.090


0.750


0.290


0.320


0.190


0.830


0.380


0.260


0.085


0.275


0.160


0.670


2.800


1.380


0.440


1.150


0.450


0.850


0.910


0.420


0.115


0.590


0.460

50051 50053
FLOW CONDUIT
RATE FLOK-MGO
1NST MOD MONTHLY

0.


0.


0.


0.


0.


0.


0.


0.


0.
t

0.


0.


0.


101


101


101


101


100


101


079


101


080


100


054


069


0.074


0.100


0.100


0.100


0.080


0.100


0.072


0.100


0.070


0.090


0.050


0.072

                  K VALUE KNOXN TO BE
                  LESS THAN INDICATED

-------
STORET RETRIEVAL DATE 76/02/06
                                                                 5106TA          PR5106TA     P000313»
                                                                 36 46 20.0 078 55 00.0
                                                                 HALIFAX MILL HALIFAX
                                                                 51      15 HALIFAX
                                                                 T/JOHN KEHR RESERVOIR
                                                                 UNNAMED TrtlB/BANISTER RIVER/DAN RIVEK
                                                                 11EPALES    .        2141204
                                                                 4                   0000 FEET  DEPTH

DATE
FROM
TO
74/12/10
cpm-
74/12/10
75/01/07
CP ( T ) -
75/01/07
75/02/18
CP ( T ) -
75/02/18
75/06/03
CP < T > -
75/06/03
75/07/01
CP(T>-
75/07/01

TIME DEPTH
OF
DAY FEET
08 00

16 00
08 00

16 00
08 00

16 00
08 00

16 00
08 00

16 00
00630
N02MM03
N-TOTAL
MG/L

0.080


0.960


0.600


0.200


0.975

00625
TOT KJEL
N
MG/L

5.000


4.000


2.900





1.750

00610
NH3-N
TOTAL
MG/L

0.210


0.330


0.560


0.074


0.460

                                                    00671      00665
                                                  PHOS-DIS  PHOS-TOT
                                                   ORTHO
                                                   MG/L P    MG/L P
  50051     50053
  FLOW    CONDUIT
  RATE    FLOto-MGD
INST MGD  MONTHLY
                                                     0.190      1.200     0.095     0.079
                                                     0.265      0.750     0.086     0.079
                                                     0.280      0.600      0.057     0.060
                                                                         0.108      0.096
                                                               1.170
   0.096     0.101
  K  VALUE KNOWN TO BE
  LESS  THAN  INDICATED

-------
STORE. T ^ETKIEVAL OATt
                                                                   51060A           PU5106UA     P022000*
                                                                  36 39 55.U  079  52 15.0
                                                                  CITY OF MAH/.240
00625
TUT KJtL
N
MG/L
31.500
24.000
30.000
22.000
2 3 . y 0 0
22.000
2u.OOO
19.(;0o
2W.OOO
24.uCiO
24.00C
24.000
30.250
OuolO
NrlJ-N
TOTAL
MG/L
^.900
b.85o
13'. 000
b.OOO
1.360
: 7.600
6.400
6.600
b.500
^.900
5.bOO
ij .290
1 J.500
00671
PnOS-DlS
OftTHO
MG/L P.
10.450
9.800
lu.200
8.500
ti.400
9.100
7.900
8.200
8.600
6.100
9.400

9.250
00665
PHOS-TOT

MG/L P
13.75u
16.000
17.300
18.000
8.700
15.000
14.000
15.700
15.000
10.000
16.500
13.000
9.300
50051
FLOW
KATt
INST MGD
2.640
2.630
2.260
2.91U
2.690
2.650
2.650
• 2.890
2.880
1.190
3.150
1.980
2.970
50053
CONDUIT
FLOrt-MGO
MONTHLY
2.390
2.360
2.250
^.540
2.600
2.530

-------
STORET RETRIEVAL DATE 7b/03/2b
                                                                  olubVA          TF5106VA     P000900
                                                                 3b 4b 15.0 078 26 30.0
                                                                 CHASL CITY SEirfASE TREATMENT PLAN
                                                                 51      MECKLENBURG CO
                                                                 T/JOMN ri KERR RESERVOIR
                                                                 BOTCHERS CREEK
                                                                 lltPALES             2141204
                                                                 4                   0000 FEET  DEPTH

DATE
FROM
TO
73/12/04
74/01/07
7<*/li2/On
7<*/03/04
74/Ot/Ol
7^/05/0.1
74/05/31
7<*/o7/07
7<+/u8/05
7^/09/02
7^/10/02
7*/ I i/0<+

r i"
OF
UAf
OH
19
16

08
11
15
09

10
11
13

E DEPTH

FEET
15
15
30

A5
30
3b
15

35
15
45
jub3o
•.•J02C.N03
i'j-TuTAL
I-Hi/L
3. bOO
1 . 3bj
b .bu 0
12.boO
U.0^0
•^ . 14 j
•u .OHO
OOb2S
TOT KJEL
N
- MG/L
13. bOo
1 1 .bOO
11.000
9 . H: 0 0
12.000
14.000
lb.000
l4.uUu
e.boo
17.000
1 ? . u 0 0
iH.uOO
0 JblO
NH J-N
TOTAL
MO/L
5.000
4.100
j.775
u.140
J.470
0 . b 1 0
0* 160
:~, . o o o
1.900
0.050*
0 . t bO
j.obS
00671
PhOS-DIS
URTHO
MG/L P
10.000
3.100
4.350
4.500
4.500
5.700
4,600
5.200
7.750
4.750
b.050
7. 250
00665
PHOS-10T

MG/L P
1 b . 0 0 0
3.900
6.300
fa. 500
6.900
8.000
7.b5u
6.100
8.800
7.200
7.600
9.800
50051
FLOW
RATE
INST MGD

0.3C6
0.216
0.216
0.216
0.216
0.216
0.216
0.216
0.216
0.216
0.216
50053
CONDUIT
FLOw-MGD
MONTHLY
0.070
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.080
0.150
0.150
0.150
                    K  VALUE  KNOWN TO  tiE
                    LESS  THAN  INDICATED

-------
STORET RETRIEVAL DATE 75/03/26
                                                                  5t06*A           PD5106WA     P002000
                                                                 36 48 15.0  078 26 35.0
                                                                 CHASE CITY  SEWASE LAGOON
                                                                 51      MECKLENBURG CO
                                                                 T/JOHN H KERR RESERVOIR
                                                                 CHURCH CREEK/BUTCHERS CREEK
                                                                 HEPALES            2141204
                                                                 4                   0000 FEET   DEPTH
DATE
FROM
TO
73/12/04
74/01/07
74/02/04
7^/03/05
74/04/01
74/05/03
74/05/31
7^/07/07
74/08/05
74/09/01
7^/10/02
7^/11/02
00630
TIME DEPTH N02S.N03
OF N-TOTAL
DAY FEET
08
20
15
09
09
10
15
21
08
10
22

30
30
30
30
15
30
30
30
30
30
30

MG/L
0
0
0
2
3
4
S
0
0
12
17
16
.440
.400
.040
.240
.840
.800
.200
.06-4
.080
.600
.600
.800
00625
TOT KJEL
N
MG/L
23.000
10.500
14.000
24.000
13.000
26.000
30.000
15.000
9.450
18.000
6.700
14.000
00610
NH3-N
TOTAL
MG/L
3.400
2.000
0.066
3.780
2.600
6.400
10.000
0.065
0.280
5.200
2.700
6.100
00671
PHOS-DIS
ORTHO
MG/L P
13.000
5.800
8.100
4.900
4.100
5.500
9.200
2.400
4.800
9.000
10.000
12.000
00665
PHOS-TOT
50051 50053
FLOW CONDUIT
RATE FLOW-MGD
MG/L P INST
16.000
7.300

8.500
7.100
10.500
15.000
3.700
6.550
11.600
10.500
19.500
0
0
0
0
0
MGD MONTHLY
.216
.306
.216
.216
.216
0.216
0

0
0
0

.216

.220
.216
.216

0.216
0.306
0.216
0.216
0.216
0.216
0.216
0.216

0.216
0.216
0.800

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