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
	697-032

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                                     REPORT
                                       ON
                                   LAfcLYNN
                               MQNONGALIA COUNTY
                                 WEST VIRGINIA
                                 EPA REGION III
                             WORKING PAPER No,  468
         WITH THE COOPERATION OF THE
WEST VIRGINIA DEPARTMENT OF NATURAL RESOURCES
                  AND THE
         WEST VIRGINIA NATIONAL GUARD
                  JUNE, 1975
                                                     836

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                                   CONTENTS
                                                              Page
  Foreword                                                     i i
  List of West Virginia Study Lakes                            iv
  Lake and Drainage Area Map                                v> V1

  Sections
  I.   Conclusions                                               1
 II.   Lake and Drainage Basin Characteristics                    4
III.   Lake Water Quality Summary                                5
 IV.   Nutrient Loadings                                         9
  V.   Literature Reviewed                                      13
 VI.   Appendices                                               14

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                                    ii
                             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)], clean lakes [§314(a,b)]s
and water quality monitoring [§106 and §305(b)] activities mandated
by the Federal Water Pollution Control Act Amendments of 1972.

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                                   111
    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 West Virginia Department
of Natural Resources for professional involvement and to the
West Virginia National Guard for conducting the tributary
sampling phase of the Survey.

    Ira S. Latimer, Jr., Director of the Department of Natural
Resources; and John H. Hall, Chief of the Water Resources
Division; and the Water Resources Division staff 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 Jack W. Blair, the Adjutant General of West
Virginia, and Project Officer Major Manuel G. Goble, who directed
the volunteer efforts of the West Virginia National Guardsmen,
are also gratefully acknowledged for their assistance to the
Survey.

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                                    iv
LAKE NAME
Bluestone

Lynn
Summersville
Tygart
                      NATIONAL EUTROPHICATION SURVEY
                               STUDY LAKES
                          STATE OF WEST VIRGINIA
COUNTY
Mercer, Monroe, Summers,
 WV; Giles, VA
Monongalia
Nicholas
Barbour, Taylor

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          PENNSYLVANIA
          WEST VIRGINIA"
                      39 "44-
          Map Location
                      39°40'	1
   LAKE  LYNN

Tributary  Sampling Site
Lake Sampling  Site
          ?      .      IKm.
        Scale
  79°46'

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    Tributary Sampling Site
*   Lake Sampling Site
    Sewage Treatment Facility
    Drainage Area Boundary

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                                LAKE LYNN
                             STORE! NO. 5402

I.  CONCLUSIONS
    A.  Trophic Condition:
            Survey data indicate that Lake Lynn is mesotrophic.  It
        ranked second in overall trophic quality when the four West
        Virginia lakes sampled in 1973 were compared using an index of
        six parameters*.  None of the other lakes had less but one had
        the same total phosphorus, none had less median dissolved phos-
        phorus, one had less inorganic nitrogen, one had less mean
        chlorophyll a_, and two had greater mean Secchi disc transparency.
        Near-depletion of dissolved oxygen with depth occurred at sta-
        tion 3 in July and October.
            The Lake Lynn drainage is impacted by acid mine wastes (Hall,
        1975).  The effect of these wastes on the trophic condition  of
        the lake was not determined although evidenced by the rather
        low pH of the lake water.  It is reported that a continuing
        supply of acid substances to certain lakes in Sweden causes
        oligotrophication of those waters (Grahn et al., 1974); conversely,
        some mid-Missouri strip mine lakes are reported to have become
        early eutrophic as the acid production of the stripped areas
        gradually diminished (King et al., 1974).  The question of con-
        trollability of acid mine wastes was not addressed during the
        Survey.
* See Appendix A.

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                                 2
B.  Rate-Limiting Nutrient:
        The algal assay results indicate phosphorus  limitation
    at the time the sample was taken (04/24/73).   The  lake  data
    indicate phosphorus limitation at the other sampling  times as
    well.
C.  Nutrient Controllability:
        1.  Point sources—Known point sources  accounted  for only
    0.2% of the total  phosphorus load reaching  Lake  Lynn  during
    the sampling year.  These sources include the  wastewater
    treatment plant at Rowlesburg and septic tanks serving  dwellings
    near the lake.
        The total phosphorus loading of 8.65 g/m2/yr is over twice
    that proposed by Vollenweider (Vollenweider and  Dillon, 1974)
    as a eutrophic loading (see page 12).   The  combination  of a
    mesotrophic condition and relatively high phosphorus  loading
    is possible because Vollenweider's model  probably  is  not
    applicable to lakes with short hydraulic retention times, and
    the mean hydraulic retention time of Lake Lynn is  a short 12
    days.  In any case, it does not appear likely  that point-source
    phosphorus control would result in any appreciable improvement
    in the trophic condition of the lake.
        2.  Non-point  sources—It is calculated that non-point
    sources contributed over 99% of the total phosphorus  load to
    the lake.  The Cheat River contributed 93.7%;  Rubles  Run, 0.6%;
    Coles Run, less than 0.1%; Whites Run, 1.3%; Unnamed  Stream
    E-l, 3.1%; and an  estimated 0.9% was contributed by minor tribu-

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                             3
taries and immediate drainage.
    The phosphorus export rates of White Run and Unnamed Stream
E-l were very high, particularly the rate of the latter (see
page 11).  As far as is known, neither stream is impacted by  a
point source, and further study is needed to determine the
cause of the high export rates.

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II.   LAKE AND DRAINAGE BASIN CHARACTERISTICS1"

     A.   Lake Morphometry  :

         1.   Surface area:   7.00 kilometers2.

         2.   Mean depth:   12.8 meters.

         3.   Maximum depth:   26.8 meters.   .

         4.   Volume:  89.600 x 106 m3.

         5.   Mean hydraulic  retention time:   12  days.

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

         1.   Tributaries  -

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

             Cheat River                         3,548.3          85.9
             Rubles Run                           32.1           0.7
             Coles Run                              4.2           0.1
             Whites Run                             7.8           0.2
             Unnamed Stream   E-l                     4.0           0.1
             Minor tributaries &
              immediate drainage -                51.1           1.4

                         Totals                 3,647.5          88.4

         2.   Outlet -

             Cheat River                         3,654.5**        88.4**

     C.   Precipitation***:

         1.   Year of sampling:  131.8 centimeters.

         2.   Mean annual:  102.7 centimeters.
t  Table of metric equivalents—Appendix  B.
tt Robinson,  1974.
*  For limits  of accuracy,  see  Working  Paper  No.  175,  "...Survey Methods,
   1973-1976".
** Includes area of lake;  outlet flow  adjusted to equal sum of inflows.
*** See Working Paper No.  175.

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III.   LAKE WATER QUALITY SUMMARY
      Lake Lynn 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
  three stations on the lake and from a  number  of depths  at each
  station (see map, page v).  During each visit,  a  single depth-integrated
  (4.6 m or near bottom to  surface)  sample was  composited from the  stations
  for phytoplankton identification and enumeration; and during the  first
  visit, a single 18.9-liter depth-integrated sample was  composited for
  algal, assays.  Also each  time, a depth-integrated sample was collected
  from each of the stations for chlorophyll  a. analysis.  The maximum
  depths sampled were 11.0  meters  at station 1, 21.3 meters at station 2,
  and 23.5 meters at station 3.
      The sampling results  are presented in full  in Appendix D. and  are
  summarized below.

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PARAMETER

TEMP (C)

DISS OXY (MG/L>

CNDCTVY (MCROMO)

PH (STAND UNITS)

TOT ALK (MG/L)

TOT P 
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    B.  Biological characteristics:
        1.  Phytoplankton -
Sampling
Date
04/24/73




07/28/73

10/05/75



Dominant Algal Units
Genera per ml
1.
2.
3.
4.

1.

1.
2.
3.
4.
5.
Flagellates
Pinnularia sp.
Closterium sp.
Euglena sp.
Total
Glenodinium (?) sp.
Total
Kirchneriella sp.
Glenodinium (?) sp.
Flagellates
Navicula sp.
Xanthidium (?) sp.
21
10
10
10
52
657
657
441
286
66
11
11
        2.  Chlorophyll a^ -
                                              Total
815
Sampling
Date
04/24/73
07/28/73
10/05/73
Station
Number
01
02
03
01
02
03
01
02
03
Chlorophyll a
(ug/1)
0.5*
0.5*
0.5*
11.9
15.9
8.1
1.4
2.2
1.6
* Value known to be less than indicated.

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                                 8
C.  Limiting Nutrient Study:
    1.  Autoclaved, filtered, and nutrient spiked -
                         Ortho P          Inorganic N    Maximum yield
        Spike (mg/1)     Cone, (mg/1)     Cone,  (mg/1)   (mg/1-dry wt.)
        Control             0.005             0.495          0.1
        0.050 P             0.055             0.495          1.3
        0.050 P + 1.0 N     0.055             1.495          4.2
        1.0 N               0.005             1.495          0.1
    2.  Discussion -
            The control yield of the assay alga, Selenastrum Capri-
        cornutum, indicates that the potential  primary productivity
        of Lake Lynn was low at the time the sample was collected.
        The yield increased with the addition of orthophosphorus
        alone but not with the addition of nitrogen alone.   This  indi-
        cates phosphorus was the limiting nutrient.
            Further evidence of phosphorus limitation is provided
        by the mean lake inorganic nitrogen/orthophosphorus ratios
        of 176/1, 163/1, and 140/1 measured in  April, August,  and
        October, respectively.

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IV.   NUTRIENT LOADINGS
     (See Appendix E for data)
     For the determination  of nutrient  loadings,  the West Virginia
 National Guard collected monthly near-surface grab samples from each
 of the tributary sites indicated on  the map  (page vi), except for the
 high runoff months of February and March  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 West
 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.
     Nutrient loads for unsampled "minor tributaries and immediate drainage"
 ("ZZ" of U.S.G.S.) were estimated using the  means of  the nutrient loads, in
 kg/km2/year, at stations B-l and C-l and  multiplying  the means by the ZZ
 area in km2.
     The operator of the Rowlesburg wastewater treatment plant provided
 monthly effluent samples and corresponding flow  data.
 * See Working  Paper No.  175.

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                                    10
    A.  Waste Sources:
        1.  Known municipal -
        Name
                Pop.
                Served
Treatment
Mean Flow
(m'/d)
  302.8
        Rowlesburg*       950     lagoon
        2.  Known industrial - None
    B.  Annual Total Phosphorus Loading - Average Year:
        1.  Inputs -
            Source
            a.  Tributaries (non-point load) -
                Cheat River
                Rubles Run
                Coles Run
                Whites Run
                Unnamed Stream  E-l
            b.  Minor tributaries & immediate
                 drainage (non-point load) -
            c.  Known municipal STP's -
                Rowlesburg
            d.  Septic tanks** -
            e.  Known industrial - None
            f.  Direct precipitation*** -
                        Total
            Outputs -
            Lake outlet - Cheat River
                                      kg  P/
                                      yr
                                         535

                                          85
                                          35

                                         125
                                      60,575
                                      24,250
3.  Net annual P accumulation - 36,325 kg.
Receiving
Water
Cheat River
                           % of
                           total
56,755
340
40
800
1,860
93.7
0.6
<0.1
1.3
3.1
                             0.9
                             0.1
                             0.2
                           100.0
* Leon, 1973.
** Estimate based on 129 lakeshore dwellings; see Working Paper No. 175.
*** See Working Paper No. 175.

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                                    11
    C.  Annual Total Nitrogen Loading - Average Year:
        1.  Inputs -
                                                          x
                                              kg N/          % of
            Source                            y_r	          total
            a.  Tributaries (non-point load) -
                Cheat River                 2,062,800         95.4
                Rubles Run                     29,150          1.3
                Coles Run                       3,860          0.2
                Whites Run                      7,720          0.4
                Unnamed Stream  E-l             2,210          0.1
            b.  Minor tributaries & immediate
                 drainage (non-point load) -   46,680          2.2
            c.  Known municipal STP's -
                Rowlesburg                        395         <0.1
            d.  Septic tanks* -                 1,375         <0.1
            e.  Known industrial - None
            f.  Direct precipitation** -        7.555          0.3
                        Total                2,161,745        100.0
        2.  Outputs -
            Lake outlet - Cheat River       2,061,655
        3.  Net annual N accumulation - 100,090 kg.
    D.  Mean Annual Non-point Nutrient Export by Subdrainage Area:
        Tributary                             kg P/km2/yr    kg N/km2/yr
        Cheat River                                16            581
        Rubles Run                                 11            908
        Coles Run                                  10            919
        Whites Run                                103            990
        Unnamed Stream  E-l                        465            552
* Estimate based on 129 lakeshore dwellings; see Working Paper No. 175.
** See Working Paper No. 175.

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                                12
E.  Yearly Loadings:
        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 mesotrophic loading
    would be considered one between "dangerous" and "permissible".
        Note that Vollenweider's model  may not be applicable  to water
    bodies with short hydraulic retention times.
                                 Total  Phosphorus     Total  Nitrogen
    	Total   Accumulated   Total    Accumulated
    grams/m2/yr                8.65       5.19       308.8     14.3
    Vollenweider phosphorus loadings
     (g/m2/yr) based on mean depth and  mean
     hydraulic retention time of Lake Lynn:
        "Dangerous"  (eutrophic loading)        3.70
        "Permissible"  (oligotrophic loading)    1.85

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                                13

LITERATURE REVIEWED

Grahn, 0., H. Hultberg, and L.  Landner;  1974.   01igotrophication--
    a self-accelerating process in lakes subjected to excessive
    supply of acid substances.   AMBIO, vol.  3,  no. 2, pp. 92-93,
    Royal Swedish Acad. of Sci., Stockholm.

Hall, John H., 1975.  Personal  communication (acid mine wastes in
    Lake Lynn drainage).  WV Dept. of Nat.  Resources, Charleston.

King, Darrell L., Joseph J. Simmler,  Charles S.  Decker, and  Curtis
    W. Ogg; Acid strip mine lake recovery.   Jour.  Water Poll. Contr.
    Fed., vol. 46, no. 10, pp.  2301-2315.

Leon, Victor, 1973.  Treatment  plant  questionnaire (Rowlesburg
    STP).  WV Water Resources Insp.,  Clarksburg.

Robinson, David, 1974.  Personal communication  (lake  morphometry).
    WV Dept. of Nat. Resources, Charleston.

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

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VI.  APPENDICES
                            APPENDIX A
                           LAKE RANKINGS

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LAKES RANKED BY INDEX NGS.




RANK  LAKE CODE  LAKE NAME               INDEX NO






   1  5404       TYGART RESERVOIR           450




   2  5402 .      LAKE LYNN RESERVOIR        350




   3  5403       SUMMERSVILLE RESERVOIR     299



   4  5401       BLUESTONE RESERVOIR        100

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LAKE DATA TO BE USED IN RANKINGS

LAKE                                   MEDIAN     MEDIAN      500-          MEAN        15-         MEDIAN
CODE  LAKE NAME                        TOTAL P    INORG N    MEAN SEC      CHLORA      MlN DO   DISS ORTHO P

5401  BLUESTONE RESERVOIR              0.074       1.080     473.700      14.900      11.800       0.018

5402  LAKE LYNN RESERVOIR              0.006       0.490     403.222       4.733      14.800       0.003

5403  SUMMERSVILLE RESERVOIR,.          0.011       0.660     363.818       6.242      14.600       0.006

5404  TYGART RESERVOIR                 0.006       0.430     378.667       1.178      14.700       0.005

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PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHER VALUES)
CODE  LAKE NAME




5401  BLUESTONE RESERVOIR




5402  LAKE LYNN RESERVOIR




5403  SUMMERSVILLE RESERVOIR''




5404  TYGART RESERVOIR
MEDIAN
TOTAL P
0 (
83 (
33 (
33 (
0)
2)
1)
2)
MEDIAN
INORG
0 (
67 (
33 (
100 (
N
0)
2)
1)
3)
500-
MEAN SEC
0 (
33 (
100 (
67 (
0)
1)
3)
2)
MEAN
CHLORA
0 (
67 (
33 (
100 (
0)
2)
1)
3)
15-
MIN DO
100 (
0 (
67 (
33 (
3)
0)
2)
1)
MED I AM
DISS ORTHO f
0 (
100 (
33 (
67 (
0>
3)
i)
2)
INOEX
NO
IOC
3bO
2$y
450

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    APPENDIX B
CONVERSION FACTORS

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                CONVERSION FACTORS

Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
Cubic meters x 8.107 x 10"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

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    APPENDIX C
TRIBUTARY FLOW DATA

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                                   TRIBUTARY FLOW INFORMATION FOR WEST VIRGINA
                                                                                          3/25/75
LAKE CODE 5402
                   LAKE LYNN
     TOTAL DRAINAGE AREA OF LAKE(SO KM)   3654.5
          SUB-DRAINAGE
TRIBUTARY  AREAtSQ KM)
                          JAN
                                  FEB
                                          MAR
                                                  APR
                                                          MAY
       NORMALIZED FLOWS(CMS)
         JUN     JUL     AUG
                                                                                          SEP
                                         OCT
                                                 NOV
                                                                                                                  DEC
                                                                                                                          MEAN
5402A1
5402A2
5402B1
5402C1
5402D1
5402E1
5402ZZ
3654.5
3548.3
32.1
4.2
7.8
4.0
57.0
129.41
125.44
1.27
0.17
0.28
0.17
1.98
142.72
138.47
1.13
0.17
0.28
0.14
2.27
170.75
165.65
1.42
• 0.20
0.42
0.17
2.69
136.49
132.52
1.13
0.14
0.28
0.14
2.12
106.47
103.36
0.85
0.11
0.20
0.11
1.70
64.00
62.01
0.42
0.08
0.11
0.06
0.99
44.17
42.76
0.28
0.06
0.08
0.03
0.71
44.17
42.76
0.23
0.03
0.06
0.03
0.71
24.64
23.79
0.20
0.03
0.06
0.03
0.42
38.51
37.38
0.28
0.06
0.08
0.03
0.57
59.47
57.77
0.57
0.06
0.11
0.06
0.65
104.49
101.37
O.U5
0.11
0.23
0.11
1.56
88.52
85.86
0.72
0.10
0.18
0.09
1.38
                        TOTAL DRAINAGE AREA OF LAKE
                        SUM OF SUB-DRAINAGE AREAS

     MEAN MONTHLY FLOWS AND UAILY FLOWS(CMS)
TRIBUTARY   MONTH   YEAR
5402A1
                            MEAN FLOW  DAY
5402A2
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
3654.5
3653.4
                                                   FLOW  DAY
20.39
39.08
21.52
60.03
129.12
193.69
220.59
119.78
147.81
131.39
95.14
205.01
19.54
37.66
20.95
58.33
125.16
187.74
214.08
116.10
143.28
127.43
92.31
198.78
29
18
15
27
18
27
12
3
14
30
20
22
29
18
15
27
18
27
12
3
14
30
20
22
22.37
77.87
25.77
11.75
124.31
1141.17
682.44
83.82
119.21
37.66
71.64
348.30
15.01
75.32
24.92
11.38
120.35
1107.19
662.61
81.27
115.53
36.53
69.38
336.97







28
30










28
30



                                                                   SUMMARY
TOTAL FLO* IN
TOTAL FLO* OUT
                                                                     FLOW  DAY
                                                                                       FLOW
                                                                    83.25
                                                                    54.37
                                                                    80.70
                                                                    52.67
1062.97
1065.28

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                                   TRIBUTARY FLOW INFORMATION FOR WEST VIRGINA
                                                                                          3/35/75
LAKE CODE 5402
                   LAKE LYNN
     MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)

TRIBUTARY   MONTH   YEAR    MEAN FLOW  DAY

5402B1
5402C1
540201
5402E1
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
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
0.19
0.23
0.11
0.31
1.02
1.56
2.04
0.62
1.13
1.02
1.08
1.27
0.03
0.03
0.01
0.04
0.14
0.21
0.27
0.08
0.15
0.14
0.14
0.17
0.05
0.05
0.03
0.07
0.25
0.37
0.48
0.15
0.27
0.25
0.26
0.31
0.02
0.03
0.01
0.04
0.13
0.20
0.25
0.08
0.14
0.13
0.13
0.16
29
18
25
27
18
27
12
3
14
30
20
22
29
18
15
27
18
27
12
3
14
30
20
22
29
18
15
27
18
27
12
3
14
30
20
22
29
18
15
27
18
27
12
3
14
30
20
22
FLOW  DAY
0.10
0.25
0.23
0.06
1.08
6.34
5.72
0.71
0.82
0.26
1.22
1.44
0.01
0.03
0.03
0.01
0.14
0.82
0.76
0.09
0.11
0.03
0.16
0.19
0.03
0.06
0.06
0.01
0.26
1.53
1.39
0.17
0.20
0.06
0.28
0.34
0.01
0.03
0.03
0.01
0.13
0.79
0.71
0.09
0.10
0.03
0.15
0.18







28
30










28
30










28
30










28
30



                  FLOW  DAY
                                    FLOW
                                                                     0.65
                                                                     0.51
                                                                     0.08
                                                                     0.07
                                                                     0.16
                                                                     0.12
                                                                     0.08
                                                                     0.06

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

-------
STORET RETRIEVAL DATE 75/03/25
                                                                  540201
                                                                 39 40 48.0 079 52 05.0
                                                                 LAKE LYNN RESERVOIR
                                                                 54061   WEST VIRGINIA

DATE
FROM
TO
73/04/24


73/07/28




73/10/05




TIME DEPTH
OF
DAY FEET
09 05 0000
09 05 0006
09 05 0014
13 45 0000
13 45 OOOS
13 45 0015
13 45 0025
13 45 0036
10 05 0000
10 05 0005
10 05 0015
10 05 0021
00010
WATER
TEMP
CENT
16.2
15.9
15.9
26.6
26.5
26.3
25.7
24.6
22.3
22.3
21.4
20.7
                                00300     00077     00094
                                 DO      TRANSP   CNDUCTVY
                                         SECCHI   FIELD
                                MG/L     INCHES   MICkOMHO
                                                       110
                                                       110
                                                       105
                                                       187
                                                       181
                                                       168
                                                       189
                                                       175
                                                       162
                                                       162
                                                       112
                                                        85
16.2
15.9
15.9
26.6
26.5
26.3
25.7
24.6
22.3
22.3
21.4
20.7

9.2
9.3

7.8
7.4
7.0
5.5

7.6
8.0
7.8
84


120




77



11EPALES
3
00400
PH

SU
5.10
5.10
5.20
4.10
4.10
4.10
4.30
4.30
4.40
4.70
5.70
6.00

00410
T ALK
CAC03
MG/L
10K
10K
10K
10K
10K
10K
10
11
10K
10K
10K
10K
2111202
0018
00610
NH3-N
TOTAL
MG/L
0.050
0.040
0.050
0.140
0.120
0.100
0.130
0.130
0.260
0.170
0.200
o.iao
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.200
0.200K
0.200K
0.500
0.400
0.300
0.300
0.400
0.900
0.500
0.500
0.500
00630
N02&N03
N-TOTAL
MG/L
0.450
0.450
0.460
0.310
0.320
0.320
0.330
0.330
0.300
0.280
0.360
0.370
00671
PHOS-OIS
ORTHO
MG/L P
0.004
0.004
0.003
0.003
0.002
0.003
0.002
0.003
0.004
0.003
0.004
0.004
                      00665     32217
  DATE   TIME DEPTH PHOS-TOT  CHLRPHYL
  FROM    OF                     A
   TO    DAY  FEET   MG/L P     UG/L
73/04/24 09 05 0000
         09 05 0006
         09 05 0014
73/07/28 13 45 0000
         13 45 0005
         13 45 0015
         13 45 0025
         13 45 0036
73/10/05 10 05 0000
         10 05 0005
         10 05 0015
         10 05 0021
0.005
0.006
O.OOb
0.005
0.005
0.005
0.005
0.005
0.011
0.009
0.011
0.020
 0.5K


11.9




 1.4
                  K  VALUE  KNOWN  TO BE
                  LESS  THAN  INDICATED

-------
STORET RETRIEVAL DATE 75/03/25
                                                                  540202
                                                                 39 41  18.0 079 53 46.0
                                                                 LAKE LYNN RESERVOIR
                                                                 54061    WEST  VIRGINIA
DATE
FROM
TO
73/04/24






73/07/28





73/10/05





00010
TIME DEPTH WATER
OF TEMP
DAY FEET
09
09
09
09
09
09
09
13
13
13
13
13
13
10
10
10
10
10
10
40
40
40
40
40
40
40
05
05
05
05
05
05
30
30
30
30
30
30
0000
0006
0015
0022
0030
0042
0054
0000
0005
0015
0025
0045
0070
0000
0005
0015
0020
0040
0055
CENT
16
16
15
14
14
11
11
26
26
26
25
22
18
22
22
22
21
19
19

.3
.3
.9
.9
.0
.7
.2
.3
.4
.0
.7
.7
.7
.3
.3
.3
.4
.9
.8
HEP ALES

00300
00

MG/L

9.1
9.3
10.2
10.2
10.2
10.2

7.5
7.6
6.8
6.3
5.3

7.4
7.4
7.8
8.0
8.0

00077 00094
TRANSP CNOUCTVY
SECCHI FIELD
INCHES MICHOMHO
60 100
85
110
90
95
100
110
84 191
198
196
240
160
105
74 166
167
166
138
100
107
3
00400
PH

SU
5.20
5.20
4.60
4.90
4.80
• 4.60
4.50
4.00
4.00
4.00
3.90
3.90
4.70
4.30
4.30
4.90
5.10
6.20
6.20

00410
T ALK
CAC03
MG/L
10K
10K
10K
10*
10K
10K
10K
10K
10K
10K
10K
10K
10
10K
10K
10K
10K
10K
10K
2111202
0058
00610
NH3-N
TOTAL
MG/L
0.050
0.040
0.040
0.040
0.030
0.060
0.070
0.150
0.130
0.140
0.140
0.160
0.250
0.330
0.190
0.150
0.120
0.090
0.090
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.500
0.400
0.300
0.400
0.400
0.500
0.700
0.600
0.600
0.700
0.400
0.300
00630
N02&N03
N-TOTAL
MG/L
0.460
0«460
0.460
0.490
0.510
0.510
0.500
0.290
0.290
0.290
0.290
0.290
0.420
0.360
0.290
0.270
0.290
0.310
0.310
00671
PHOS-OIS
ORTHO
MG/L P
0.002K
0.002K
0.002K
0.002
0.003
0.004
0.005
0.004
0.002
0.003
0.002K
0.005
0.002
0.003
0.003
0.003
0.002
0.004
0.005
               K VALUE KNOWN TO BE
               LESS THAN INDICATED

-------
STORE! RETRIEVAL DATE 75/03/35
                      00665
  DATE   TIME DEPTH PMOS-TUT
  FROM    OF
   TO    DAY  FEET   MG/L P

73/04/24 09 40 0000    0.006
         09 40 0006    U.005
         09 40 0015    0.005
         09 40 0032    0.006
         09 40 0030    0.005
         09 40 0042    0.007
         09 40 0054    0.005
73/07/23 13 05 0000    0.005
         13 05 0005    u.004
         13 05 0015    0.006
         13 05 0025    0.009
         13 05 0045    0.005
         13 05 0070    0.006
73/10/05 10 30 0000    u.007
         10 30 0005    0.006
         10 30 0015    0.007
         10 30 0020    0.009
         10 30 0040    0.026
         10 30 0055    0.030
  32217
CHLRPHYL
   A
  UG/L

     0.5K
    15.9
     2.2
                  K VALUE KNOWN TO BE
                  LESS THAN INDICATED
                                                                  540202
                                                                 39  41  18.0  079  53  46.0
                                                                 LAKE LYNN RESERVOIR
                                                                 54061    WEST  VIRGINIA
                                                                 HEPALES
                                                                 3
                                                        2111202
                                                       0058 FEET
DEPTH

-------
STORE! RETRIEVAL DATE 75/03/25
                                                                  540203
                                                                 39 42 55.0 079 51 13.0
                                                                 LAKE LYNN RESERVOIR
                                                                 54061   HEST VIRGINIA

DATE
FROM
TO
73/04/24






73/07/28





73/10/05








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


FEET
20
20
20
20
20
20
20
30
30
30
30
30
30
55
55
55
55
55
55
0000
0006
0015
0022
0030
0040
0051
0000
0005
0015
0025
0045
0077
0000
0005
0020
0035
0055
0074
00010
WATER
TEMP
CENT
15.7
15.6
15.2
15.1
14.3
13.2
11.1
26.6
26.5
26.5
25.2
21.3
13.2
22.7
22.7
21.3
20.3
19.8
15.2
                                00300
                                 DO

                                MG/L
                                   9.5
                                   9.8
                                   9.7
                                  10.1
                                  10.6
                                   8.7

                                   7.6
                                   7.6
                                   4.6
                                   4.4
                                   2.2

                                   7.4
                                   7.2
                                   7.6
                                   7.6
                                   0.2
 00077     00094
TRANSP   CNDUCTVY
SECCHI   FIELD
INCHES   MICROMHO
                                             120
    144
    108
 95
 95
 80
 70
 70
 60
 60
161
162
162
211
 89
159
167
167
121
 97
 95
168
11EPALES
3
00400
PH

SU
6.30
5.50
5.50
5.40
5.40
5.40
5.30
4.10
4.10
4.00
3.90
4.30
3.90
4.40
4.50
5.40
5.90
5.90
5. BO

00410
T ALK
CAC03
MG/L
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
2111802
0055
00610
NH3-N
TOTAL
MG/L
0.040
0.050
0.030
0.030
0.040
0.030
0.040
0.100
0.080
0.080
0.200
0.190
0.720
0.180
0.160
0.120
0.110
0.110
1.770
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.300
0.400
0.500
0.200K
0.200
0.200
0.500
0.400
0.200
0.200K
0.400
0.400
1.000
0.400
0.300
0.300
0.300
0.400
2.300
00630
N02&N03
N-TOTAL
MG/L
0.500
0.490
0.500
0.510
0.520
0.510
0.500
0.330
0.320
0.330
0.290
0.360
0.220
0.260
0.260
0.310
0.380
0.370
0.030
00671
PHOS-OIS
ORTHO
MG/L P
0.002
0.002K
0.002K
0.002K
0.002K
0.002
0.002
0.002K
0.002K
0.004
0.003
0.003
0.002
0.004
0.003
0.003
0.005
0.005
0.007
                         K VALUE KNOWN TO BE
                         LESS THAN  INDICATED

-------
STORET RETRIEVAL DATE 75/03/25
  DATE
  FROM
   TO

73/04/24
             00665
TIME DEPTH PHOS-TOT
 OF
DAY  FEET   MG/L P
73/07/28
73/10/05
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
20
20
20
20
20
20
20
30
30
30
30
30
30
55
55
55
55
55
55
0000
0006
0015
0022
0030
0040
0051
0000
0005
0015
0025
0045
0077
0000
0005
0020
0035
0055
0074
0
0
0
0
0
0
0
0
0
0
0
0
c
0
0
0
0
0
0
.006
.005
.004
.010
.005
.006
.007
.006
.004
.004
.004
.009
.004
.008
.007
.009
.017
.019
.044
  32217
CHLRPHYL
   A
  UG/L

     0.5K
                                   8.1
                          1.6
                     K VALUE KNOWN TO BE
                     LESS THAN INDICATED
                                                                  540203
                                                                 39 *»2 55.0 079 51 13.0
                                                                 LAKE LYNN RESERVOIR
                                                                 54061   WEST VIRGINIA
                                                                 11EPALES
                                                                 3
                                                                             2111202
                                                                            0055 FEET
                                                                  DEPTH

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

-------
STORE! RETRIEVAL DATE 75/03/25
  DATE
  FROM
   TO

73/07/29
73/08/16
73/09/15
73/10/27
73/11/18
73/12/27
74/01/12
74/02/03
74/02/28
74/03/14
74/03/30
74/04/30
74/05/20
74/06/22
             00630
TIME DEPTH N02&N03
 OF        N-TOTAL
DAY  FEET    MO/L
09 25
10 13
09 50
09 40
12 55
11 50
10 20
13 00
11 30
15 00
10 25
12 50
15 10
13 30
0.310
0.350
0.252
0.220
0.430
0.616
0.588
0.520
0.500
0.504
0.528
0.440
0.360
0.360


00625
TOT KJEL
N
MG/L
0.430
0.240
0.290
0.300
0.100K
0.200
0.500
0.100K
0.100K
0.100
0.500
0.400
0.800
0.300


00610
NH3-N
TOTAL
MG/L
0.189
0.154
0.154
0.110
0.040
0.100
0.068
0.035
0.030
0.050
0.050
0.065
0.082
0.040


00671
PHOS-OIS
ORTHO
MG/L P
0.013
0.005K
0.005K
0.014
0.005K
0.005K
0.005K
0.005
0.005K
0.005*
0.005K
0.005K
0.005K
0.005K
11EPALES
4
00665
PHOS-TOT

MG/L P

0.010
0.010

0.010
0.010
0.020
0.005K
0.010
0.005K
0.005
0.005
0.005K

                                                                  5402A1
                                                                 39 43 13.0 079 51 29.0
                                                                 CHEAT RIVER
                                                                 54089   7.5 LAKE LYNN
                                                                 0/LAKE LYNN
                                                                 bELO UAM .5 MI SSE OF VILLAGE OF LK LYNN
                                                                                      2111204
                                                                                     0000 FEET  DEPTH
                     K VALUE KNOWN TO BE
                     LESS THAN INDICATED

-------
STORET RETRIEVAL DATE 75/03/25
                                                                  S402A2
                                                                 39 39 28.0 079 50 58.0
                                                                 CHEAT RIVER
                                                                 54      7.5 LAKE LYNN
                                                                 I/LAKE LYNN
                                                                 BANK AT MONT CHATEAU STATE PARK
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH
OATE
FROM
TO
73/07/29
73/00/18
73/09/15
73/10/27
73/11/18
73/12/27
74/01/12
74/02/03
74/02/28
74/03/14
7WG3/30
74/04/30
74/05/20
74/06/22
00630 00625
TIME DEPTH N02«kN03 TOT KJEL
OF N-TOTAL N
DAY FEET
13
10
09
10
13
12
11
13
12
15
14
13
15
14
25
05
07
40
45
50
10
50
30
45
05
40
50
30
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.273
.370
.154
.180
.440
.552
.520
.520
.520
.450
.490
.352
.368
.320
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
840
250
220
900
150
500
700
100K
300
100
200
200
400
200
00610 00671 00665
NH3-N PtlOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L MG/L
0.046
0.034
0.160
0.110
0.024
0.044
0.052
0.025
0.030
0.020
0.055 '
0.025
0.075
0.030
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
p
006
009
005K
012
005K
005K
005K
005
005K
005K
005K
005K
005K
005K
MG/L P
0
0
0

0
0
0
0
0
0
0
0
0

.006
.020
.010

.025K
.090
.025
.005K
.030
.005K
.020
.010
.005K

                   K  VALUE KNOWN  TO  BE
                   LESS  THAN  INDICATED

-------
STORET RETRIEVAL DATE 75/03/25
                                                                  5402B1
                                                                 39 43 16.0 079 49 58.0
                                                                 RJbLES RUN
                                                                 54      7.5 LAKE LYNN
                                                                 T/LAKE LYiMN
                                                                 BANK ALONG RO NEAR MOUTH 3 E OF LK LYNN
                                                                 11EPALES             211120H
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/07/29
73/08/18
73/09/15
73/10/27
73/11/lfa
73/12/27
74/01/12
74/02/03
74/02/28
7W03/14
74/03/30
7
-------
STORET RETRIEVAL DATE 75/03/35
                                                                  5402C1
                                                                 39 40  44.0 079 51  23.0
                                                                 COLES  RUN
                                                                 54      7.5 LAKE LYNN
                                                                 T/LAKE LYNN
                                                                 SEC RO BROG AT SUNSET BEACH
                                                                 11EPALES             2111204
                                                                 4                   0000  FEET
DATE
FROM
TO
73/07/29
73/08/18
73/09/15
73/10/27
73/11/18
73/12/27
74/01/12
74/02/03
74/02/28
74/03/1^
74/03/30
74/04/30
74/05/20
74/06/22
00630 00625
TIME DEPTH N02fcN03 TOT KJEL
OF N-TOTAL N
DAY FEET
13
09
oa
10
14
12
13
13
12
15
13
13
13
14
05
50
50
25
00
20
00
30
05
25
50
25
40
05
MG/L
0
0
0
0
0
1
0
0
0
1
1
0
0
0
.273
.231
.500
.180
.470
.010
.980
.800
.672
.180
.060
.680
.850
.660
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
1.
0.
1.
0.
520
230
360
350
200
300
500-
200
300
900
000
600
200
400
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.
078
107
132
078
056
156
168
120
110
3*5
270
210
400
370
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
p
005K
006
005K
013
005K
005K
005K
010
005
005K
005K
005K
005K
005K
MG/L P
0.010
0.010
0.010

0.005
0.015
0.025
0.011
0.02C
0.005K
0.010
0.015
0.010
0.015
DEPTH
                     K VALUE KNOWN TO BE
                     LESS THAN INDICATED

-------
STORE! (RETRIEVAL DATE 75/03/25
                                                                  S402D1
                                                                 39 39 30.0 079 51 55.0
                                                                 WHITES RUN
                                                                 54      7.5 LAKE LYNN
                                                                 T/LAKE LYNN
                                                                 SEC H*Y ttRDG .75 MI S OF ICES FERRY BRDG
                                                                 11EPALES             2111204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/07/29
73/08/18
73/09/15
73/10/27
73/11/18
73/12/27
74/01/12
74/02/03
74/02/28
74/03/14
74/03/30
74/04/30
74/05/20
74/06/22
00630 00625
TIME DEPTH N02S.N03 TOT KJEL
OF N-TOTAL N
DAY FEET
13
10
09
16
13
11
13
13
12
14
14
13
16
15
45
15
25
00
30
15
20
45
40
25
25
55
00
00
MG/L
0
u
1
1
0
1
1
0
0
0
u
0
0
0
.780
.890
.160
.120
.970
.120
.360
.520
.640
.610
.640
.500
.520
.610
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
1.
0.
1.
0.
620
170
420
300
500
100
800
100K
300
300
200
500
200
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.
025
038
054
033
040
020
072
025
065
045
080
050
140
050
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
p
052
100
110
390
060
009
024
010
065
035
050
110
040
030
MG/L P
0.090
0.175
U.180
0.680
0.095
0.040
0.040
0.010
0.140
0.090
0.130
0.118
0.070
0.075
                       K VALUE KNOWN TO BE
                       LESS THAN INDICATED

-------
RETRIEVAL DATE 75/03/25
                                                           5402E1
                                                          39 40 35.0 079 53 47.0
                                                          UNNAMED STREAM
                                                          54      7.5 N MORGANTOtfN
                                                          T/LAKE LYNN
                                                          SEC HrtY 8RDG .25 MI W OF CANYON
                                                          11EPALES             2111204
                                                          4                   0000 FEET  DEPTH
DATE
FKOM
TO
73/07/29
73/06/18
73/09/15
73/10/27
73/11/18
/J/12/27
/W01/12
/H/02/03
W02/28
7W03/14
74/03/30
74/04/30
74/05/20
74/06/22
00630 00625
TIME DEPTH N02^N03 TOT KJEL
OF N-TOTAL N
DAY FEET
14
09
09
11
14
13
13
14
12
16
14
14
16
15
00
30
35
15
15
07
30
05
50
00
35
05
10
10
MG/L



0
0
0
0
0

0
0
0
0
0



.630
.200
.288
.124
.044

.040
.046
.045
.064
.027
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
1.
0.
0.
0.
660
840
850
700
600
400
700
400
500
800
000
700
700
345
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.
520
600
820
384
450
300
352
315
315
330
300
375
460
345
MG/L
0.
0.
0.
0.
0.
0.
1.
1.
0.
0.
0.
0.
0.
0.
p
510
357
400
553
216
220
000
000
800
760
680
670
101
490
MG/L P
0.530
0.470
0.460
0.700
0.220
0.345
1.050
1.050
0.800
0.770
0.750
0.810
0.620
0.580

-------
STORE! RETRIEVAL DATE 75/03/25
                                                                  5402AA           PD5402AA     P000950
                                                                 39 22  00.0  079  40 30.0
                                                                 KOrfLESBERG
                                                                 54089    PRESTON COUNTY
                                                                 T/LAKE LYNN
                                                                 CHEAT  RIVER
                                                                 11EPALES             2141204
                                                                 4                   0000 FEET  DEPTH
DATE
FROM
TO
73/09/12
73/10/12
73/11/13
73/12/18
7WU1/15
74/02/13
74/03/12
74/04/10
7^/05/14
7^/06/11
7^/07/17
7^/08/12
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
15
15
15
15
15
15
15
15
15
15
15
15
00
45
20
00
05
40
30
40
30
40
45
20
MG/L
0
0
0
0
u
0
0
0
0
0
0
0
.015
.010K
.090
.740
.200
.080
.040
.040
.240
.040
.160
.120
MG/L
8.600
6.650
2.300
1.300
2.000
l.OOOK
1.000
l.OOOK
3.000
5.100
2.800
6.300
00610 00671 00665
NH3-N PHOS-OIS PHOS-TOT
TOTAL ORTHO
MG/L
0

0
0
0
0
0
0
0
0
0
0
.140

.180
.110
.058
.066
.050K
.110
.140
.130
.063
.050K
MG/L P
0.830
1.400
0.090
0.170
0.140
0.120
0.050K
0.057
0.280
0.180
0.290
0.056
50051 50053
FLOW CONDUIT
RATE FLOW-MGD
MG/L P INST
1.600
3.200
0.250
0.220
0.260
0.160
0.260
0.320
0.530
O.<*50
0.655
1.300
0
0
0
0
0
0
0
0
0
0

0
MGD MONTHLY
.080
.080
.080
.080
.080
.080
.080
.080
.080
.080
0.080
.080
                    K VALUE KNOWN TO BE
                    LESS THAN INDICATED

-------