U.S. ENVIRONMENTAL PROTECTION AGENCY
               NATIONAL EUTROPHICATION SURVEY
                        WORKING PAPER SERIES
                                                  REPORT
                                                   ON
                                                LONG LAKE
                                               STEUBEN COUNTY
                                                 INDIANA
                                               EPA REGION V
                                            WORKING PAPER No, 332
     CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
                                 and
    ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
•&G.P.O. 699-440

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                                                                REPORT
                                                                  ON
                                                              LONG LAKE
                                                            STEUBBN COUflY
                                                               INDIANA
3                                                           EPA REGION V
(*                                                      WORKING PAPER No, 332

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                                   CONTENTS
                                                               Page
  Foreword                                                      ii
  List of Indiana 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                                      13
 VI.   Appendices                                               14

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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)>, 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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                                 iii
    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, I). S. Environmental Protection Agency)
expresses sincere appreciation to the Indiana State Board of
Health for professional involvement, to the Indiana National
Guard for conducting the tributary sampling phase of the Survey,
and to those Indiana wastewater treatment plant operators who
provided effluent samples and flow data.

    The staff of the Division of Water Pollution Control, Indiana
State Board of Health, 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 Alfred F. Ahner, Adjutant General of Indiana,
and Project Officers Lt. Colonel Charles B. Roberts (Retired)
and Colonel Robert L. Sharp, who directed the volunteer efforts
of the Indiana National Guardsmen, are also gratefully acknowledged
for their assistance to the Survey.

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                                    IV
                      NATIONAL EUTROPHICATION SURVEY

                               STUDY LAKES

                             STATE OF INDIANA
LAKE NAME

Bass
Cataract
Crooked
Dallas
Geist
Hamilton
Hovey
James
James
Long
Marsh
Mississinewa
Maxinkuckee
Monroe
Morse
01 in
01i ver
Pigeon
Syl van
Ti ppecanoe
Versailles
Wawassee
Webster
Westler
Whitewater
Winona
Witmer
COUNTY

Starke
Owen, Putnam
Steuben
LaGrange
Hamilton, Marion
Steuben
Posey
Kosciusko
Steuben
Steuben
Steuben
Grant, Miami, Wabash
Marshall
Brown, Monroe
Hami1 ton
LaGrange
LaGrange
Steuben
Noble
Kosciusko
Ri piey
Kosciusko
Kosciusko
LaGrange
Union
Kosciusko
LaGrange

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    Tributary Sampling Site
X   Lake Sampling Site
    Sewage Treatment Facility
 I            !            ?Km.


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                                LONG LAKE
                             STORET NO.  1854

I.  CONCLUSIONS
    A.  Trophic Condition:
            Survey data indicate that Long Lake is eutrophic.   Of the
        27 Indiana lakes sampled in 1973, it ranked twenty-sixth in
        overall trophic quality when compared using a combination of six
        parameters*.  All of the other lakes had less median total and
        dissolved phosphorus, 24 had less median inorganic nitrogen, 17
        had less mean chlorophyll a_, and 14 had greater mean Secchi  disc
        transparency.  Marked depression of dissolved oxygen occurred in
        the hypolimnion in August and October.
    B.  Rate-Limiting Nutrient:
            The algal assay results indicate that Long Lake was limited
        by phosphorus at the time the sample was collected (05/02/73).
        However, the lake data indicate nitrogen limitation in  August and
        October.
    C.  Nutrient Controllability:
            1.  Point sources--Point-source phosphorus contributions
        accounted for 23.5% of the total load reaching Long Lake during
        the sampling year.   The Angola wastewater treatment plant con-
        tributed 23.4% of the total load.
* See Appendix A.

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                                     2
            The present phosphorus loading of 29.54 g/m2/yr is over
        twelve times that proposed by Vollenweider (Vollenweider and
        Dillon, 1974) as a eutrophic loading (see page 12).   However,
        the mean hydraulic retention time of Long Lake is a short 13
        days, and it is not likely that Vollenweider's model  is applicable.
        Nonetheless, the existing trophic condition of the lake is evi-
        dence of excessive nutrient loadings.
            Complete removal of phosphorus at the Angola plant would
        reduce the loading rate to 22.6 g/m2/yr; and, regardless of the
        applicability of Vollenweider's model, it appears that control of
        phosphorus from all sources will be necessary to achieve the
        greatest possible improvement in the trophic condition of Long
        Lake (see below).
            2.  Non-point sources—The phosphorus contribution of non-
        point sources amounted to 76.5% of the total load to the lake.
        Pigeon Creek contributed 73.7%, and the ungaged tributaries were
        estimated to have contributed 2.7% of the total.
            Pigeon Creek had a phosphorus export rate of 49 kg/km2/yr.
        This is rather high as compared to the rates of tributaries of
        nearby Crooked*, Hamilton*, and Oliver* lakes; e.g., Unnamed  Stream
        D-l, 21 kg/km2/yr; Black Creek, 26 kg/km2/yr; and Dove Creek, 11
        kg/km2/yr.  Since all known point sources are accounted for,  this
        export rate indicates agricultural practices and/or combined  sewer
        overflow at Angola probably impact the creek and subsequently the
        lake.
* Respectively, Working Paper No. 325, 328, and 339.

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II.   LAKE AND DRAINAGE BASIN CHARACTERISTICS1"
     A.   Lake Morphometry  :
         1.   Surface area:   0.37 kilometers2.
         2.   Mean depth:   5.1  meters.
         3.   Maximum depth:   9.7 meters.
         4.   Volume:   1.887  x 106  m3.
         5.   Mean hydraulic  retention  time:  13  days.
     B.   Tributary and Outlet:
         (See Appendix C  for flow data)
         1.   Tributaries  -
                                              Drainage       Mean flow
             Name                             area  (km2)*    (m3/sec)*
             Pigeon Creek                         164.7          1.56
             Minor tributaries &
              immediate drainage -                  11.0          0.10
                                   Totals          175.7          1.66
         2.   Outlet -
             Pigeon Creek                         176.1**        1.66
     C.   Precipitation***:
         1.   Year of sampling:   111.6  centimeters.
         2.   Mean annual:  91.3 centimeters.
 t Table of metric conversions—Appendix B.
 tt Winters, 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
      Long Lake 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
  a number of depths at one station  on the lake (see map,  page v).
  During each visit, a single depth-integrated (4.6 m or near bottom
  to surface) sample was collected for phytoplankton identification
  and enumeration, and a similar sample was taken for chlorophyll
  ^analysis.  During the first visit, a single 18.9-liter depth-
  integrated sample was collected for algal assays.  The maximum depth
  sampled was 9.1 meters.
      The sampling results are presented in full  in Appendix D and
  are summarized in the following table.

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PARAMETER



TEMP (C)



OISS OXY (HG/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/L)



SECCHI  (METERS)
       1ST SAMPLING ( 5/



             1 SITES



     RANGE        MEAN



  9.3  -  13.9    12.6



  5.5  -   9.8     7.5



 625.  -  650.    633.



  7.6  -   7.9     7.8



 200.  -  218.    204.



0.095  - 0.118   0.104




0.029  - 0.080   0.042



1.600  - 2.100   1.960



0.050  - 0.450   0.146



1.400  - 1.600   1.500



2.000  - 2.170   2.106



3.100  - 3.700   3.460



 31.8  -  31.8    31.8



  1.0  -   1.0     1.0
HCAL AND
2/73)
MEDIAN
13.6
7.4
625.
7.9
200.
0.101
0.031
2.100
0.070
1.500
2.150
3.500
31.8
1.0
CHEMICAL CHARACTERISTICS FOR LONG LAKE
STORET CODE 1854
2ND SAMPLING ( 8/ 6/73)
1 SITES
RANGE
11.4
0.0
506.
7.4
264.
0.081
0.033
0.160
0.080
1.500
1.070
2.790
11.2
1.4
- 22.8
9.2
- 621.
8.3
- 322.
- 1.170
- 0.880
- 1.400
- 3.600
- 5.400
- 3.760
- 5.560
- 11.2
1.4
MEAN
17.1
2.8
552.
7.6
280.
0.380
0.296
0.948
1.082
2.620
2.030
3.568
11.2
1.4
MEDIAN
16.5
0.2
536.
7.4
266.
0.218 •
0.180
0.990
0.610
2.200
1.810
3.190
11.2
1.4
3RD SAMPLING (10/13/73)
1 SITES
RANGE
10.5
0.2
569.
7.3
230.
0.204
0.150
0.050
0.390
1.600
0.790
1.990
5.3
2.0
- 17.6
6.0
- 635.
8.0
- 345.
- 0.860
- 0.712
- 0.400
- 7.270
-10.000
- 7.320
-10.050
5.3
- 2.0
MEAN
14.9
2.2
604.
7.7
271.
0.406
0.328
0.246
2ol34
3.720
2.380
3.966
5.3
2.0
MEDIAN
15.0
0.2
613.
7.7
250.
0.351
0.277
0.330
0.770
2.000
1.100
2.330
5.3
2.0

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B.  Biological  Characteristics:
    1.   Phytoplankton -
        08/06/73
        10/13/73
    2.   Chlorophyll  a_ -
        Sampling
        Date
        05/02/73
        08/06/73
        10/13/73
Dominant
Genera
1 . Cryptomonas sp.
2. Dinobryon SJD.
3. Melosira sp.
4. Flagellates
5. Asterionella sp.
Other genera
Total
1. Fragilaria sp.
2. Melosira sp.
3. Blue-green filaments
4. Cryptomonas sp.
5. Schroederia sp.
Other genera
Total
1. Flagellates
2. Cryptomonas sj?_.
3. Mallomonas sp.
4. Ceratium SJD.
5. Coelastrum sj>.
Other genera
Total
Station
Number
1
1
1
Algal Units
per ml
1,784
1,407
854
427
301
1,182
5,955
2,961
455
253
76
76
101
3,922
159
63
63
48
32
79
444
Chlorophyll a
(yg/D
31.8
11.2
5.3

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                                 7
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              0.035             2.450            7.8
        0.050 P              0.085             2.450           22.8
        0.050P+1.0N     0.085             3.450           22.7
        1.0 N               0.035             3.450            7.3
    2.  Discussion -
            The  control yield  of the assay alga,  Selenastrum  capri-
        cornutum, indicates that the potential  primary  productivity
        of Long  Lake was high  at the time the sample was  collected.
        Also, the significant  increase in yield when phosphorus alone
        was added indicates that the lake was limited by  phosphorus
        at that  time.  Note that the addition of nitrogen alone
        resulted in a yield which did  not differ significantly from
        that of  the control.
            The  lake data substantiate phosphorus limitation  at the
        time the sample was taken (05/02/73); i.e.,  the mean  inorganic
        nitrogen/orthophosphorus ratio was 50/1.   However, nitrogen
        limitation is indicated in August and October (the mean N/P
        ratio was 7/1 both times, and  nitrogen limitation would be
        expected).

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                                      8
IV.   NUTRIENT LOADINGS
     (See Appendix E for data)
     For the determination of nutrient loadings,  the  Indiana 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 February and March when two  samples were collected
 at  station A-2.  Sampling was  begun in  June,  1973, and was completed
 in  May, 1974.
     Through an interagency agreement, stream  flow  estimates for the
 year of sampling and a "normalized" or  average year were provided by
 the Indiana 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 A-2  and  B-l of nearby
 Pigeon Lake** and multiplying  the means by the ZZ  area in km2.
     The operator of the Angola wastewater  treatment  plant provided
 monthly effluent samples and corresponding flow  data.
     The estimated phosphorus load from  septic tanks  was reduced by 50%
 * See Working Paper No.  175.
 ** Working Paper No.  340.

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                                     9
to adjust for the phosphate detergent ban in effect in Indiana
since January, 1972.
    A.  Waste Sources:
        1.  Known municipal  -
                        Pop.                  Mean Flow      Receiving
        Name            Served    Treatment   (m3/d)         Water
        Angola          5,117*    tr. filter**  2,700.5      Mud Creek
        2.  Known industrial - None
t Anonymous, 1971.
* 1970 Census.
** Phosphorus removal added in 1975 (BonHomme, 1976).

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                                    10
    B.  Annual Total Phosphorus Loading - Average Year:
        1.  Inputs -
                                              kg P/          % of
            Source                            yr             total
            a.  Tributaries (non-point load) -
                Pigeon Creek                    8,060         73.7
            b.  Minor tributaries & immediate
                 drainage (non-point load) -      295          2.7
            c.  Known municipal STP's -
                Angola                          2,560         23.4
            d.  Septic tanks* -                    10          0.1
            e.  Known industrial - None
            f.  Direct precipitation** -      	5         <0.1
                        Total                  10,930        100.0
        2.  Outputs -
            Lake outlet - Pigeon Creek          7,290
        3.  Net annual P accumulation - 3,640 kg.
* Estimate based on 74 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 -
                                              kg N/           %  of
            Source                            yr             total
            a.  Tributaries (non-point load)  -
                Pigeon Creek                  195,515         88.6
            b.  Minor tributaries & immediate
                 drainage (non-point load)  -    15,165          6.9
            c.  Known municipal  STP's -
                Angola                          8,915          4.0
            d.  Septic tanks* -                    790          0.3
            e.  Known industrial - None
            f.  Direct precipitation** -          400          0.2
                        Total                 220,785        100.0
        2.  Outputs -
            Lake outlet - Pigeon Creek        199,130
        3.  Net annual N accumulation - 21,655  kg.
    D.  Mean Annual Non-point Nutrient Export by Subdrainage Area:
        Tributary                             kg P/km2/yr    kg N/km2/yr
        Pigeon Creek                              49             1,187
* Estimate based on 74 lakeshore dwellings; see Working Paper No.  175.
** See Working Paper No. 175.

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                                12
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 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             29.54     9.84        596.7     58.5

    Vollenweider phosphorus loadings
     (9/m2/yr) based on mean depth and mean
     hydraulic retention time of Long Lake:
        "Dangerous"  (eutrophic loading)              2.30
        "Permissible"  (oligotrophic loading)         1.15

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                                13

LITERATURE REVIEWED

Anonymous, 1971.  Inventory of municipal  waste facilities.   EPA
    Publ. OWP-1, vol. 5, Wash., DC.

BonHomme, Harold L., 1976.  Personal  communication (phosphorus
    removal at Angola STP).  IN Div.  of Water Poll.  Contr.,
    Indianapolis.

Ketelle, Martha J., and Paul D. Uttormark, 1971.   Problem lakes
    in the United States.  EPA Water Poll. Contr.  Res.  Ser.,
    Proj. #16010 EHR., Wash., DC.

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.

Winters, John, 1975.  Personal communication  (lake morphometry).
    IN Div. of Water Poll. Contr., Indianapolis.

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VI.  APPENDICES
                                     13
                                  APPENDIX A
                                 LAKE RANKINGS

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LAKE DATA TO BE USED IN RANKINGS
LAKE
CODE
1805
1811
1817
1827
1828
1829
1836
1837
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1R55
1856
1857
LAKE NAME
CATARACT LAKE
GEIST RESERVOIR
JAMES LAKE
MISS1SSINEWA RESERVOIR
MONROE RE5EKV01R
MORSE RESERVOIR
WAWASEE LAKE
WEBSTER LAKE
WHITEWATER LAKE
WINONA LAKE
WESTLER LAKE
WITHER LAKE
LAKE MAXINKUCKEE
TIPPECANOE LAKE
DALLAS LAKE
OLIN LAKE
OLIVER LAKE
SVLVAN LAKE
HOVEY LAKE
VERSAILLES LAKE
BASS LAKE
CROOKED LAKE
LAKE JAMES
LONG LAKE
PIGEON LAKE
MARSH LAKE
HAMILTON LAKE
MEDIAN
TOTAL P
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.058
.074
.024
.107
.025
.084
.012
.025
.084
.035
.035
.035
.020
.019
.029
.012
.009
.170
.062
.139
.040
.019
.016
.204
.058
.093
.033
MEDIAN
INORG M
1.660
1.080
1.030
2.400
0.325
3.325
0.210
0.790
1.62C
1.250
0.860
0.900
0.220
0.195
0.830
1.460
0.920
0.130
1.050
1.090
0.250
0.120
0.190
1.920
1.945
0.270
0.720
500-
MEAN SEC
466.
472.
434.
473.
438.
473.
364.
431.
470.
444.
427.
440.
400.
391.
413.
403.
667
500
000
444
623
222
500
000
167
667
125
333
400
500
333
333
392.000
469.
489.
482.
471.
410.
352.
442.
442.
451.
413.
833
333
000
375
111
444
667
667
333
167
MEAN
CHLOHA
10.
45.
11.
15.
6.
56.
5.
11.
33.
11.
10.
11.
5.
6.
10.
4.
3.
47.
84.
25.
29.
5.
4.
16.
11.
34.
17.
744
950
533
778
947
167
000
500
083
211
712
917
483
050
067
867
767
480
267
078
367
578
856
100
900
467
450
15-
MIN DO
IS
11
15
15
15
15
14
15
15
15
15
15
15
15
IS
14
14
14
7
14
7
15
15
15
IS
15
15
.000
.600
.000
.000
.000
.000
.600
.000
.000
.000
.000
.000
.000
.000
.000
.900
.800
.800
.600
.500
.000
.000
.000
.000
.000
.000
.000
MEDIAN
DISS OHTnO P
0.013
0.009
0.008
0.029
0.007
0.009
0.003
0.005
0.012
0.011
0.013
0.011
0.003
0.005
0.014
0.003
0.004
0.017
0.024
0.019
0.012
0.005
0.005
0.150
0.015
0.055
0.018

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PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHE* VALUES)
LAKE
CODE
1805
1811
1817
1827
1888
1829
1636
1837
1B39
18<>0
18«.l
1842
18<>3
18<>5
18<>6
1847
1848
18*9
1850
1851
1852
1853
IBS'*
1855
1856
1857
LAKE NAME
CATARACT LAKE
GEIST RESERVOIR
JAMES LAKE
MISSISSINEWA RESERVOIR
MONROE RESERVOIR
MORSE RESERVOIR
WAWASEE LAKE
WEBSTEP LAKE
WHITEWATER LAKE
WINONA LAKE
WESTLER LAKE
WITHER LAKE
LAKE MAXINKUCKEE
TIPPECANOE LAKE
DALLAS LAKE
OLIN LAKE
OLIVER LAKE
SYLVAN LAKE
HOVEY LAKE
VERSAILLES LAKE
BASS LAKE
CROOKED LAKE
LAKE JAMES
LONG LAKE
PIGEON LAKE
MARSH LAKE
HAMILTON LAKE
MEDIAN
TOTAL P
37
27
73
12
67
23
94
67
19
50
50
50
77
85
62
94
100
4
31
8
42
81
88
0
37
15
58
I 9)
( 7)
( 19)
( 3)
( 17)
( 6)
( 24)
( 17)
I 5)
I 12)
< 12)
( 121
( 20)
( 22)
( 16)
< 24)
( 26)
( D
( 8)
( 2)
< 11)
( 21)
< 23)
< 0)
( 9)
( 4)
( 15)
MEDIAN
INOHli N
15
35
42
4
69
0
85
62
19
27
54
50
81
88
58
23
46
96
38
31
77
100
92
12
8
73
65
( 4)
( 9)
( 11)
( 1)
( 18)
( 0)
( 22)
I 16)
( 5)
( 7)
( 14)
( 13)
( 21)
( 23)
( 15)
( 6)
( 12)
( 25)
( 10)
( 81
( 20)
( 26)
( 24)
( 3)
( 2)
( 19)
( 17)
SOO-
MEAN SEC
31
15
58
8
54
12
96
62
23
38
65
50
85
92
69
81
88
27
0
4
19
77
100
44
44
35
73
( 8)
( 4)
( 15)
( 2)
( 14)
( 3)
( 25)
( 16)
( 6)
( 10)
( 17)
( 13)
I 22)
( 24)
( 18)
( 21)
( 23)
( 7)
( 0)
( 1)
( 5)
( 20)
( 26)
( 11)
( 11)
I 9)
( 19)
MEAN
CHLORA
62
12
SO
38
73
4
88
54
19
58
65
42
as
77
69
92
100
8
0
27
23
81
96
35
46
15
31
( 16)
( 3)
1 13)
( 10)
( 19)
( D
( 23)
( 14)
I 5)
( 15)
< 17)
( 11)
( 22)
( 20)
( 18)
1 24)
( 26)
1 2)
( 0)
( 7)
( 6)
I 21)
( 25)
( 9)
( 12)
( 4)
( 8)
1S-
MIN 00
35
92
35
35
35
35
85
35
35
35
35
35
35
35
35
73
79
79
96
88
100
35
35
35
35
35
35
( 0)
I 24)
I 0)
( 0)
< 0)
( 0)
( 22)
( 0)
( 0)
( 0)
( 0)
( 0)
( 0)
( 0)
( 0)
( 19)
( 20)
( 20)
( 25)
< 23)
( 26)
( 0)
( 0)
( 0)
( 0)
( 0)
( 0)
MEDIAN
OISS ORTHO P
37 (
62 (
65 (
8 (
69 (
58 (
98 (
81 (
42 (
52 (
37 (
52 (
98 I
85 (
31 (
92 (
88 (
23 (
12 (
15 (
46 (
75 (
75 (
0 (
27 (
4 (
19 (
9)
16)
17)
2)
18)
15)
25)
21)
11)
13)
9)
13)
25)
22)
8)
24)
23)
6)
3)
4)
12)
19)
19)
0)
7)
1)
5)
INDEX
NO
217
243
323
105
367
132
546
361
157
260
306
279
461
462
324
455
501
237
177
173
307
449
486
126
197
177
281

-------
LAKES RANKED BY INDEX NOS.




RANK  LAKE CODE  LAKE NAME               INDEX NO






   1  1836       tfAWASEE LAKE               546



   2  1847       OLIVER LAKE                501



   3  1853       LAKE JAMES                 486



   4  1844       TIPPECANOE LAKE            462



   5  1U43       LAKE MAXINKUCKEE           461



   6  1846       OLIN LAKE                  455



   7  1852       CROOKED LAKE               449



   8  1828       MONROE RESERVOIR           367



   9  1837       WEBSTER LAKE               361



  10  1845       DALLAS LAKE                324



  11  1817       JAMES LAKE                 323



  12  1851       BASS LAKE                  307



  13  1841       MESTLER LAKE               306



  14  1857       HAMILTON LAKE              281



  15  1842       MITMER LAKE                279



  16  1840       WINONA LAKE                260



  17  1811       GEIST RESERVOIR            243



  18  1848       SYLVAN LAKE                237



  19  1805       CATARACT LAKE              217



  20  1855       PIGEON LAKE                197



  21  1856       HARSH LAKE                 177



  22  1849       HOVEY LAKE                 177



  23  1850       VERSAILLES LAKE            173



  24  1839       WHITEWATER LAKE            157



  25  1829       MORSE RESERVOIR            132



  26  1854       LONG LAKE                  126



  27  1827       HISSISSINEWA RESERVOIR     105

-------
    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 INDIANA
                                                                                          03/29/76
LAKE CODE 1854
                   LONG LAKE
          SUB-ORAINAGE
TRIBUTARY  AREACSQ KM)
1B54A1
1854A2
1854ZZ
176.1
164.7
 10.9
I OF LAKE (SO KM) 175.
JAN
2.23
2.08
0.122

TOTAL
SUM OF
FEB
2.55
2.38
0.156

MAR
3.54
3.31
0.227

.9

3
3
0.


APR
.34
.14
210

DRAINAGE AREA OF LAKE =
SUB-DRAINAGE AREAS =

MAY
2.19
2.05
0.133

175.9
175.6



NORMALIZED FLOWS (CMS)
JUN JUL AUG
1.64 1.01
1.54 0.94
0.102 0.059
SUMMARY

0.40
0.37
0.018

TOTAL
TOTAL

FLOW
FLOW

SEP
0.36
0.33
o.oia

IN =
OUT =

OCT NOV
0.39 0.87
0.37 0.81
0.019 0.054

20.00
20.07,

DtC MEAN
1.55 1.67
1.46 1.56
0.102 0.101


     MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)

TRIBUTARY -  MONTH   YEAR    MEAN FLOW  DAY

1854A1
1854A2
1854ZZ
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
73
73
73
73
73
73
73
74
74
74
74
74
73
73
73
73
73
73
73
74
74
74
74
74
73
73
73
73
73
73
73
74
74
74
74
74
2.342
1.832
1.053
0.473
0.334
0.351
0.872
2.268
2.778
2.387
2.254
1.937
1.852
1.447
0.833
0.374
0.263
0.276
0.688
1.792
2.195
1.886
1.778
1.532
0.122
0.095
0.055
0.025
0.017
0.018
0.045
0.118
0.145
0.125
0.117
0.101
10
15
12
16
10
10
8
6
10
12
7
5
10
15
12
16
10
10
8
6
10
12
7
5
10
15
12
16
10
10
a
6
10
12
7
5
                                      FLOW  DAY
                                                        FLOW  DAY
                                                                          FLOW
3.511
2.945
1.048
0.425
0.368
0.311
0.793
1.727
2.435
3.568
2.832
1.359
2.775
2.322
0.821
0.340
0.283
0.238
0.623
1.359
1.926
2.832
2.237
1.076
0.184
0.153
0.054
0.022
0.019
0.016
0.042
0.091
0.127
0.187
0.147
0.071








24
26










24
26










24
26


                                                                    3.341
                                                                    1.444
                                                                    2.633
                                                                    1.133
                                                                    0.173
                                                                    0.074

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

-------
STORE! RETRIEVAL DATE 76/03/30
                                                                  185401
                                                                 41  34  57.0  985 01  55.0  3
                                                                 LONG LAKE
                                                                 18151    INDIANA
                                                                                          083292
DATE
FROM
TO
73/05/02




73/08/06






73/10/13





DATE
FROM
TO
73/05/02




73/08/06




73/10/13




TIME DEPTH
OF
DAY FEET
17 00 0000
17 00 0006
17 00 0015
17 00 0022
17 00 0029
12 20 0000
12 20 0005
12 20 0010
12 20 0015
12 20 0020
12 20 0025
12 20 0030
11 C5 0000
11 05 0008
11 05 0015
11 05 0020
11 05 0025

TIME DEPTH
OF
DAY FEET
17 00 0000
17 00 0006
17 00 0015
17 00 0022
17 00 0029
12 20 0000
12 20 0005
12 20 0015
12 20 0020
12 20 0030
11 05 0000
11 05 0008
11 05 0015
11 05 0020
11 05 0025
00010
WATER
TEMP
CENT
13.9
13.8
13.6
12.2
9.3
22.8
21.8
21.1
16.5
13.5
12.3
11.4
17.6
17.4
15.0
14.0
10.5
00665
PHOS-TOT

MG/L P
0.101
0.105
0.095
0.099
0.118
o.oai
0.108
0.218
0.321
1.170
0.204
0.236
0.351
0.860
0.381
00300
00

MG/L

9.8
8.8
6.0
5.5
9.2
4.6

0.0
0.2

0.2
6.0
4.4
0.2
0.2
0.2
32217
CHLRPHYL
A
UG/L
31.8




11.2




5.3




00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
40 640
625
625
625
650
54 621
585
571
531
506
515
536
78 635
630
613
572
569



















11EPALES 2111202
0033 FEET DEPTH CLASS 00
00400 00410 00610 00625
PH T ALK NH3-N TOT KJEL

SU
7.70
7.90
7.90
7.90
7.60
8.30
7.60

7.40
7.40

7.40
8.00
7.90
7.70
7.60
7.30



















CAC03
MG/L
218
200
200
200
200
264
266

. 266
280

322
244
230
250
285
345



















TOTAL
MG/L
0
0
0
0
0
0
0

0
0

3
0
0
0
1
7



















.070
.050
.060
.100
.450
.080
.190

.610
.930

.600
.390
.440
.770
.800
.270



















N
MG/L
1.600
.400
.600
.400
.500
.800
.500

2.200
2.200

5.400
1.800
1.600
2.000
3.200
10.000



















00630
N02&N03 '
N-TOTAL
MG/L
2.100
2.100
2.100
1.900
1.600
0.990
1.400

1.200
0.990

0.160
0.400
0.390
0.330
0.660
0.05©



















00671
PHOS-OIS
ORTHO
MG/L P
0.031
0.030
0.029
0.039
0.080
0.033
0.069

0.180
0.319

0.860
0.150
0.173
0.277
0.712
0.330




















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

-------
STORET RETRIEVAL DATE 76/03/30
                                                                  1854A1
                                                                 41  35 18.0 085 02 28.0 4
                                                                 PIGEON CREEK
                                                                 18       7.5 ASHLEY
                                                                 0/LONG LAKE              083292
                                                                 RO  XING  .5 MI  NW  OF  MOONLIGHT
                                                                 11EPALES             2111204
                                                                  0000 FEET DEPTH CLASS 00

DATE
FROM
TO
73/06/10
73/07/15
73/08/12
73/09/16
73/10/10
73/11/10
73/12/08
74/01/06
74/03/12
74/03/26
74/04/07
74/05/05

00630
TIME DEPTH N02S.N03
OF
DAY FEET
10 20
11 55
11 20
08 50
16 50
10 30
10 00
09 20
15 00
17 00
13 55
13 10
N-TOTAL
MG/L
1.680
1.740
0.630
0.176
0.357
0.570
1.400
3.520
2.940
2.200
1.500
1.100
00625
TOT KJEL
N
MG/L
2.200
3.000
2.100
1.300
1.800
1.600
1.400
2.100
2.300
1.400
1.300
1.400
00610
NH3-N
TOTAL
MG/L
0.138
0.093
0.060
0.069
0.252
0.440
0.350
0.312
0.090
0.120
0.030
0.130
00671
PHOS-DIS
ORTHO
MG/L P
0.080
0.076
0.016
0.035
0.120
0.160
0.104
0.064
0.045
0.040
0.010
0.070
00665
PHOS-TOT

MG/L P
0.130
0.220
0.095
0.120
0.175
0.205
0.160
0.125
0.125
0.085
0.035
0.170

-------
STORE! RETRIEVAL DATE 76/03/30
                                                                  1854A2
                                                                 41 34 55.0 085 01 00.0 4
                                                                 PIGEON CHEEK
                                                                 18      7.5 ASHLEY
                                                                 I/LONG LAKE              083292
                                                                 NY CENTRAL RR BROG N EDGE OF PLEASANT LK
                                                                 11EPALES             2111204
                                                                  0000 FEET  DEPTH  CLASS 00
DATE
FROM
TO
73/06/10
73/07/15
73/08/12
73/09/16
73/10/10
73/11/10
73/12/08
74/01/06
74/02/10
74/02/24
74/03/12
74/03/26
74/04/07
74/05/05
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
10
11
11
08
16
10
09
09
09
09
16
17
13
12
45
40
30
25
40
15
45
15
25
51
35
20
20
40
MG/L
1
1
0
1
0
0
1
it
2
0
2
2
2
1
.660
.600
.900
.040
.820
.870
.600
.400
.900
.220
.940
.100
.640
.850
MG/L
2.100
2.310
2.200
1.540
1.500
1.500
1.200
1.600
2.000
2.100
2.300
1.400
2.100
0.800
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
o.
0*
0.
0.
0.
147
132
185
198
300
368
270
252
260
160
115
145
075
055
MG/L
0.
0.
P
098
094
0.092
0.
0.
0.
0.
0.
0.
210
310
320
116
056
060
0.050
0.
0.
0.
0.
040
045
040
095
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
P
195
280
290
350
430
375
190
100
125
185
115
085
115
150

-------
STORET RETRIEVAL DATE 76/03/30
                                                                  1854XA          TF1854XA
                                                                 41  37 40.0 064 59 12.0 4
                                                                 ANGOLA
                                                                 18       7.5 ANGOLA E
P005117
T/LONG LAKE
MUD CREEK
11EPALES
083291
2141204
0000 FEET DEPTH CLASS 00

DATE
FROM
TO
73/06/13
73/07/13
73/08/12
73/09/13
73/10/12
73/11/13
73/12/13
74/01/14
74/02/13
74/03/13
74/04/12
74/05/13
74/06/13

TIME DEPTH
OF
DAY FEET
07 00
07 30
08 00
07 45
07 00
07 00
08 00
10 00
08 30
14 00
10 00
14 30
08 00
00630
N02&N03
N-TOTAL
MG/L
2.700
2.700
0.480
5.450
3.780
5.200
1.260
6.300
4.300
3.200
2.880
3.900
5.900
00625
TOT KJEL
N
MG/L
3.900
3.100
9.650
3.200
7.800
7.500
3.800
7.500
5.800
3.500
1.200
12.000
4.100
00610
NH3-N
TOTAL
MG/L
0.240
0.300
0.200
0.378
0.110
0.060
0.470
0.290
0.130
0.180
0.100
0.180
0.250
00671
PHOS-DIS
ORTHO
MG/L P
1.400
0.720
0.790
3.100
3.990
3.500
0.900
1.680
1.560
0.670
1.150
1.800
1.710
00665
PHOS-TOT

MG/L P
2.000
1.550
3.300
3.635
5.200
3.900
1.000
4.400
2.200
1.100
1.350
3.150
2.400
50051
FLOW
RATE
INST MGD
0.830
0.845
0.317
0.617
0.674
0.641
0.750
0.750
0.650
0.650
1.030
0.774

50053
CONDUIT
FLOW-MGD
MONTHLY
0.687
0.734
0.772
0.715
0.637
0.633
0*650
0.671
0.721
0.820
0.777
0.763
0.694

-------