U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
RACCOON LAKE
MARION COUNTY
ILLINOIS
EPA REGION V
WORKING PAPER No, 312
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
•frG.f.O. 699-440
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REPORT
ON
RACCOON LAKE
MARION COM
ILLINOIS
EPA REGION V
WORKING PAPER No, 312
WITH THE COOPERATION OF THE
ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
AND THE
ILLINOIS NATIONAL GUARD
JUNE, 1975
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I
CONTENTS
Page
Foreword ii
List of Illinois Study Lakes lv
Lake and Drainage Area Map v
Sections
I. Conclusions i
II. Lake and Drainage Basin Characteristics 3
III. Lake Water Quality Sun iiary 4
IV. Nutrient Loadings 8
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 [ 3O3(e)], water
quality criteria/standards review [ 3O3(c)], clean lakes [ 3l4(a,b)],
and water quality monitoring [ 1O6 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.
AC KNOWLEDGMENT
The staff of the National Eutrophication Survey (Office of
Research & Development, U. S. Environmental Protection Agency)
expresses sincere appreciation to the Illinois Environmental
Protection Agency for professional involvement and to the
Illinois National Guard for conducting the tributary sampling
phase of the Survey.
Dr. Richard H. Briceland, Director of the Illinois Environ-
mental Protection Agency; and Ronald M. Barganz, State Survey
Coordinator, and John J. Forneris, Manager of Region III, Field
Operations Section of the Division of Water Pollution Control,
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 Harold R. Patton, the Adjutant General of
Illinois, and Project Officer Colonel Daniel L. Fane, who directed
the volunteer efforts of the Illinois National Guardsmen, are also
gratefully acknowledged for their assistance to the Survey.
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iv
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF ILLINOIS
LAKE NAME COUNTY
Baldwin Randolph
Bloomington McLean
Carlyle Bond, Clinton, Fayette
Cedar Lake
Charleston Coles
Coffeen Montgomery
Crab Orchard Jackson, Williamson
Decatur Macon
DePue Bureau
East Loon Lake
Fox Lake
Grass Lake
Highland Silver Madison
Holiday LaSalle
Horseshoe Madison
Long Lake
Lou Yaeger Montgomery
Marie Lake
Old Ben Mine Franklin
Pistakee Lake, McHenry
Raccoon Marion
Rend Franklin, Jefferson
Sangchris Christian
Shelbyville Moultrie, Shelby
Slocuni Lake
Springfield Sanganon
Storey Knox
Vandalia Fayette
Vermilion Vermilion
Wee Ma Tuk Fulton
Wonder McHenry
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Th
RACCOON LAKE
Map Location
Tributary Sampling Site
Lake Sampling Site
Sewage Treatment Facility
Drai nage Area Boundary
Walnut Hill
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RACCOON LAKE
STORET NO. 1762
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate that Raccoon Lake is eutrophic. It
ranked twelfth in overall trophic quality when the 31 Illinois
lakes sampled in 1973 were compared using a combination of six
parameters*. Thirteen of the lakes had less median total phos-
phorus, nine had less and one had the same median dissolved
phosphorus, eight had less median inorganic nitrogen, 12 had
less mean chlorophyll a, and 21 had greater mean Secchi disc
transparency. Marked depression of dissolved oxygen with depth
occurred at sampling station 1 in August, 1973.
Survey limnologists reported algae scums in August and
noted the occurrence of floating and emergent rooted aquatic
plants along the shorelines.
B. Rate-Limiting Nutrient:
The algal assay results are not considered indicative of
conditions in the lake at the time the sample was collected
due to significant changes in the orthophosphorus in the
sample between the time of collection (05/11/73) and the
beginning of the assay.
* See Appendix A.
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2
The lake data indicate phosphorus limitation in May and
August but nitrogen limitation in October.
C. Nutrient Controllability:
1. Point sources-—The phosphorus contribution of point
sources amounted to 2.5% of the total input to Raccoon Lake
during the sampling year. These sources included the Meadow
Wood Country Club (1.5%) and the Raccoon School District
(0.3%). Septic tanks adjacent to the lake were estimated to
have contributed 0.7% of the total.
The present loading rate of 1.17 g/m 2 /yr Is over two times
that proposed by Vollenweider (Vollenweider and Dillon, 1974)
as a eutrophic rate (see page 12). For this reason, all phos-
phorus inputs to the lake should be minimized to the greatest
practicable extent to slow the eutrophication of this water body.
2. Non-point sources--Over 97% of the total phosphorus input
to Raccoon Lake was contributed by non-point sources during the
sampling year. After accounting for the Raccoon SchoOl point-
source load, Raccoon Creek contributed 70.9% of the total. Un-
gaged tributaries were estimated to have contributed 25.1% of
the total annual phosphorus input.
The phosphorus export rate of Raccoon Creek was a relatively
low 36 kg/km 2 /yr and compares well with the export rate of
Hickory Creek (25 kg/kni 2 /yr), an unimpacted tributary of nearby
Carlyle Reservoir*.
* Working Paper No. 297.
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II. LAKE AND DRAINAGE BASIN CHARACTERISTICS1"
A. Lake Morphometry :
1. Surface area: 3.93 kilometers2.
2. Mean depth: 1.2 meters.
3. Maximum depth: >3.7 meters.
4. Volume: 4.949 x 106 m3.
5. Mean hydraulic retention time: 72 days.
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (m3/sec)*
Raccoon Creek 90.1 0.6
Minor tributaries &
immediate drainage - 31.9 0.2
Totals 122.0 0.8
2. Outlet -
Raccoon Creek 125.9** 0.8
C. Precipitation***:
1. Year of sampling: 124.2 centimeters.
2. Mean annual: 102.0 centimeters.
t Table of metric conversions--Appendix B
tt Forneris, 1973.
* 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
Raccoon 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 chemica’ parameters were collected from two
stations on the lake and from a number of depths at each station (see
map, page v). During each visit, a single depth-integrated (near bot-
tom to surface) sample was coniposited 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 sta-
tions for chlorophyll a analysis. The maximum depths sampled were 3.7
meters at station 1 and 0.9 meters at station 2.
The lake sampling results are presented in full in Appendix D and
are summarized in the following table.
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STOR .T
CODE 1762
1ST SAMPLING (
S/U/73)
2ND
SAMPLING ( 8/ 8/73)
3RD SAMPLING (10/19/73)
2
SITES
2
SITES
2
SITES
PARAMETER
RANGE
MEAN
MEDIAN
NANDE
MEAN
MEDIAN
RANGE
MEAN
MEDIAN
TEMP (C)
17.5
— 19.2
18.7
19.0
27.5
— 28.J
27.9
27.9
lb.8
— 17.9
17.3
17.3
DISS OXY (HG/U
6.7
— 8.1
7.5
7.9
1.2
— 6.4
5.0
6.2
7.2
— 8.4
7.8
7.8
CNDCTVY (MCROMO)
260.
— 275.
269.
270.
308.
- 318.
311.
308.
174.
— 202.
188.
188.
PH (STAND UNITS)
7.6
— 7.7
7.6
7.6
7.1
— l.a
7.
7.5
7.2
— 7.6
7.’.
7.4
TO ALK (MG/U
61.
— 65.
63.
64.
60.
— 73.
64.
62.
44.
— 48.
45.
45.
TOT P (MG/LI
0.090
— 0.110
0.101
0.103
0.062
— 0.151
0.111
0.125
0.073
— 0.299
0.145
0.105
OMTPIO P (MG/L)
0.020
— 0.035
0.027
0.025
0.012
— 0.044
0.024
0.020
0.016
— 0.026
0.019
0.017
N02.N03 (MG/U
0.280
— 0.290
0.287
0.290
0.110
— 0.170
0.134
0.130
0.070
— 0.180
0.122
0.120
AMMONIA (MG/L)
0.110
— 0.230
0.175
0.180
0.110
— 0.520
0.204
0.130
0.060
— 0.140
0.100
0.100
KjEL N (MG/LI
0.800
— 1.000
0.900
0.900
1.300
— 2.000
1.740
1.800
0.800
— 1.200
1.000
1.000
INONG N (MG/LI
0.400
— 0.520
0.462
3.465
0.220
— 0.650
0.338
0.270
0.130
— 0.320
0.222
0.220
TOTAL N (MG/LI
1.080
— 1.290
1.187
1.190
1.410
— 2.120
1.874
1.930
0,960
— 1.380
1.122
1.075
CFILRPYL A (UG/L)
3.0
17.9
10.4
10.4
32.3
— 40.9
36.6
36.6
3.1
— 18.1
10.6
10.b
SECCHI (METERS)
0.2
— 0.3
0.3
0.3
0.3
— 0.8
0.5
U,
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6
B. Biological characteristics:
1. Phytoplankton -
Sampling Dominant Algal Units
Date Genera per ml
05/11/73 1. Flagellates 1,933
2. Coccoid Chrysophyta 1,294
3. Cryptomonas .P.• 701
4. CentrIc diatoms 421
5. Trachelomonas p.. 110
Other genera 220
Total 4,679
08/08/73 1. 0sci1latoria p. . 16,712
2. D cty1ococcopsls p.. 2,381
3. Centric diatoms 1,236
4. Pennate diatoms 1,236
5. Mel osira . .p. 1,007
Other genera 5,218
Total 27,790
10/19/73 1. Merismopedia p . 1,195
2. Pennate diatoms 724
3. Me1osira p.. 702
4. Centric diatoms 702
5. Osclllatorip. 2 . 406
Other genera 1 ,042
Total 4,771
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7
2. Chlorophyll a -
Sampling Station Chlorophyll a
Date Number ( pg/i )
05/11/73 01 3.0
02 17.9
08/08/73 01 32.3
02 40.9
10/19/73 01 18.1
02 3.1
Limiting Nutrient Study:
The algal assay results are not considered indicative of
conditions in the lake at the time of sampling because of a
63% orthophosphorus loss from the time the sample was col-
lected to the beginning of the assay.
The lake data indicate phosphorus limitation in May and
August but nitrogen limitation in October (the mean inorganic
nitrogen/orthophosphorus ratios were 17/1, 14/1, and 12/1,
respectively).
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8
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the Illinois 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 month of March when two samp1es were collected. 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 Illinois District Office of the U.S. Geological Survey for the
tributary sites nearest the lake.
In this report, nutrient loads for sampled tributaries were deter-
mined 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 imediate
drainage” (“ZZ” of U.S.G.S.) were estimated using the adjusted
nutrient loads, in kg/km 2 /year, in Raccoon Creek at station A—2 and
multiplying by the ZZ area in km 2 .
The operator of the Raccoon School District wastewater treatment
plant provided monthly effluent samples and corresponding flow data.
The Meadow Wood Country Club did not participate In the sampling pro-
gram, and nutrient loads were estimated at 1.134 kg P and 3.401 kg
N/capita/year.
* See Working Paper No. 175.
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9
A. Waste Sources:
1. Known municipal* —
Pop. Mean Flow Receiving
Name Served Treatment cJd) Water
Raccoon Sch. 360 sand filter 10.6 Raccoon Creek
District
Meadow Wood 60 ext. aer. 22.7** Raccoon Lake
Country Club
2. Known industrial - None
* Anonymous, 1972.
** Estimated at 0.3785 m 3 /capita/day.
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10
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs —
kgP/ %of
Source yr total
a. Tributaries (non-point load) -
Raccoon Creek 3,245 70.9
b. Minor tributaries & Immediate
drainage (non—point load) - 1,150 25.1
c. Known municipal SIP’s -
Raccoon Sch. District 15 0.3
Meadow Wood Country Club 70 1.5
d. Septic tanks* - 30 0.7
e. Known industrial - None - -
f. Direct precipitatlon** - 70 1.5
Total 4,580 100.0
2. Outputs -
Lake outlet - Raccoon Creek 3,270
3. Net annual P accumulation - 1,310 kg.
* Estimate based on 101 lakeshore dwellings and one park; see Working
Paper No. 175.
** See Working Paper No. 175.
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11
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kgN/ %of
Source yr total
a. Tributaries (non—point load) —
Raccoon Creek 52,560 68.4
b. Minor tributaries & immediate
drainage (non-point load) - 18,600 24.2
c. Known municipal SIP’s -
Raccoon Sch. District 100 0.1
Meadow Wood Country Club 205 0.3
d. Septic tanks* - 1,110 1.5
e. Known industrial - None - -
f. Direct precipitation** - 4,245 5.5
Total 76,820 100.0
2. Outputs -
Lake outlet - Raccoon Creek 43,970
3. Net annual N accumulation — 32,850 kg.
* Estimate based on 101 lakeshore dwellings and one park; see Working
Paper No. 175.
** See Working Paper No. 175.
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12
D. Mean Annual Non—point Nutrient Export by Subdralnage Area:
Tributary kg P/km 2 /yr kg N/km 2 /yr
Raccoon Creek 36 583
E. Yearly Loading Rates:
In the following table, the existing phosphorus loading
rates are compared to those proposed by Vollenweider (Vollen-
welder and Dillon, 1974). Essentially, his “dangerous” rate
is the rate at which the receiving water would become eutrophic
or remain eutrophic; his “permissible” rate Is that which would
result In the receiving water remaining oligotrophic or becoming
oligotrophic if morphometry permitted. A inesotrophic rate 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/m 2 /yr 1.17 0.33 19.5 8.4
Vollenweider loading rates for phosphorus
(g/m 2 /yr) based on mean depth and mean
hydraulic retention time of Raccoon Lake:
“Dangerous” (eutrophic rate) 0.48
“Permissible” (oligotrophic rate) 0.24
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13
V. LITERATURE REVIEWED
Anonymous, 1972. Wastewater treatment works data book. IL Env.
Prot. Agency, Springfield.
Forneris, John J., 1973. Personal communication (lake morphometry).
IL Env. Prot. Agency, Springfield.
Vollenweider, R. A., and P. J. Dillon, 1974. The application of
the phosphorus loading concept to eutrophication research.
Nati. 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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LAKE DATA TO 8 USED IN RANKINGS
LAKE MEDIAN MEDIAN 500- MEAN 15— MEDIAN
CODE LAKE N*$E TOTAL P INORG N MEAN SEC CHLORA MIN DO DISS OI THO P
1703 LAKE 8LOOMINGTON 0.050 5.730 464.667 26.200 14.800 0.020
1706 LAKE CARLYLE 0.084 1.270 477.889 17.367 11.000 0.032
1708 LAKE CHARLESTON 0.160 4.680 490.667 12.000 8.400 0.065
liii COFFEEN LAKE 0.032 0.260 456.222 7.700 14.900 0.012
171 CRAb ORChA. O LAKE 0.082 0.200 482.222 59.867 13.e O O 0.013
1714 LAKE DECATUR 0.12’. 3.750 479.571 ‘.3.000 14.500 0.062
1725 LONG LAKE 0.70’. 1.190 482.667 49.333 8.800 0.398
1726 LAKE LOU YAEGER 0.1ô6 1,600 489.583 10.662 11.400 0.076
1727 LAKE MARIE 0.098 0.370 467.667 39.533 14.700 0.057
1733 PISTAKEE LAKE 0.203 0.370 485.667 75.867 7.000 0.062
1735 REND LAKE 0.011 0.210 471.500 23.533 12.700 0.012
1739 LAKE SHEL8YVILLE 0.062 3.290 461.333 17.161 14.800 0.019
1740 SILVER LAKE (HIGMLANOP 0.226 0.970 489.500 5.822 14.800 0.057
1742 LAKE SPRINGFiELD 0.109 3.2b 5 483.385 13.013 10.800 0.059
1748 VERMILION LAKE 0.109 4.695 481.500 31.150 14.200 0.050
1750 WONDER LAKE 0.426 0.890 486.000 98.533 7.800 0.132
1751 LAKE STORY 0.072 2.510 459.333 11.250 14.800 0.021
1752 OEPU€ LAKE 0.438 4.050 490.000 58.833 7.600 0.276
1753 LAKE SANGCP*RIS 0.050 1.970 475.417 19.292 14.500 0.009
1754 LAKE HOLIDAY 0.167 3.135 485.167 51.217 7.200 0.046
1755 FOA LAKE 0.219 0.375 486.167 83.850 8.800 0.083
1756 GNASS LAKE 0.301 0.820 481.000 83.500 5.900 0.093
1757 EAST LOON LAKE 0.076 0.120 450.000 22.300 14.900 0. O I M
1758 SLOCUM LAKE 0.865 0.200 481.333 221.100 5.800 0.362
1159 CEOAR LAKE 0.029 0.170 400.333 5.767 12.800 0.013
1761 LAKE WEMATIJK 0.069 1.770 ‘.66.333 7.967 14.500 0.031
1762 RACCOON LAKE 0.106 0.310 484.333 19.217 13.800 0.020
1783 BALDWIN LAKE 0.044 0.140 461.167 11.333 13.200 0.007
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LAI E DATA TO BE USED IN RANKINGS
LAKE MEDIAN MEDIA’,S 500— MEAN MEDIAN
CODE LAKE NAME TOTAL P INORG N MEAN SEC CrtLORA MIN 00 0155 OI (Tr’0 1’
1764 LAKE VANDALIA 0.116 0.480 47a.111 11.27b 1 ’.800 0.O 3
1765 OLD BEN MINE ESERVO1 . 0.930 0.205 ‘.78.333 31.433 l1.2O ) 0.575
1766 HORSESHOE LAKE 0.127 0.705 482.833 k82.2 O 6. D0 O.U1
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PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHER VALUES)
LAKE
CODE
LAKE NAME
MEDIAN
TOTAL P
MEDIAN
INORG
N
500—
MEAN SEC
MEAN
CIILORA
15—
MIN 00
MEDIAN
0155 ORTHO P
INUEX
No
1703
LAKE BLOOMINGTON
88 (
26)
0 (
0)
bO (
24)
47 (
14)
13 ( 2)
68
( 20)
296
1706
LAKE CARLYLE
63 1
19)
40 I
12)
63 1 19)
63 I
19)
63 I 19)
53
( 16)
345
1708
LME CHARLESTON
37 I
Il)
7
2)
0 (
0)
77 I
23)
77 I 23)
27
I 8)
225
1711
COfFEEN LAKE
97 (
29)
77 I
23)
93 I
28)
93 I
28)
2 C 0)
92
C 27)
454
1712
CRAB ORCHARD LAKE
67 C
20)
90 I
27)
43
13)
20 I
6)
42 C 12)
85
1 25)
347
1714
LAKE DECATUR
40 I
12)
13 C
4)
53 I
16)
33 I
10)
30 C 8)
32
C 9)
201
1725
LONG LAKE
7
2)
43 C
13)
40 C
12)
30 I
9)
72 C 21)
3
C 1)
195
172t
LAKE LOU YAEGER
7 I
2)
87 1
26)
57 C 17)
23
I 7)
241
1727
LAKE MARIE
73 1 22)
31 (
111
23 C 7)
42
1 12)
303
1733
P1STA EE LAKE
23 C 7)
13 1
4)
90 C 27)
32
I 9)
253
1735
REND LAKE
70
21)
50 I
15)
53 I 16)
92
I 27)
422
1739
LAKE SMELBYVILLE
83 C 25)
70 I
21)
13 C 2)
73
C 22)
339
1740
SILVER LAKE (HIGHLAND)
10 C 3)
97 C
29)
13 C 2)
42
I 12)
229
1742
LAKE SPRINGFIELD
33 I 10)
73 I
22)
67 C 20)
37
I Il)
283
1748
VERMILION LAKE
47 I 14)
43 I
13)
37 ( 11)
47
I 14)
227
1750
WONDER LAKE
20 C 6)
7 I
2)
80 I 24)
13
I 4)
183
1751
LAKE STORY
90 1 27)
67 I
20)
13 C 2)
63
I 19)
333
1752
DEPUE LAKE
3 C 1)
23 I
7)
83 I 25)
10
I 3)
139
1753
LAKE SANGCHRIS
67 C 20)
57 C
17)
30 C 8)
97
I 29)
369
1754
LAKE HOLIDAY
27 I 8)
27 C
8)
87
I 26)
50
C 15)
247
1755
FOX LAKE
17 ( 5)
Il I
5)
72
I 21)
20
C 6)
212
1756
GRASS LAKE
50 C 15)
10 C
3)
97
I 29)
17
1 5)
244
1757
EAST LOON LAKE
97 ( 29)
53 C
16)
2
I 0)
77
C 23)
3 9
1758
SLOCUN LAKE
13 I 4)
0 I
0)
100
30)
7
C 2)
210
1759
CEDAR LAKE
100 I 30)
100 C
30)
50
C 15)
85
C 25)
52d
1761
LAKE WEMATUI(
80 1
24)
33 1
10)
77 1 23)
90 C
27)
30
1 8)
57
1 17)
367
1762
RACCOON LAKE
57 C
17)
73 I
22)
30 9)
60 I
18)
42
C 12)
68
C 20)
330
30 I 9)
60 I 18)
27 ( 8)
77 ( 23)
83 I 25)
20 4 6)
53 I 16)
50 I 15)
13 I 4)
73 1 22)
10 I 3)
88 C 26)
33 C 10)
23 I 7)
17 I 5)
70 I 21)
3 I 1)
100 C 30)
37 I 11)
68 4 20)
68 ( 20)
80 C 24)
17 I 5)
47 ( IA)
20 I 6)
3 I 1)
50 C 15)
27 1 8)
10 C 3)
30 I 9)
23 C 7)
63 I 19)
53 1 16)
100 C 30)
87 C 26)
93 I 28)
504
1763 BALDWIN LAKE
93 I 28) 97 ( 29) 87 C 26) 80 C 24) 41 I li.) 100 C 30)
-------
PERCENT OF LAKES WITi-4 SIGHER VALUES (NUMBER OF LAKES WITM HIGHER VALUES)
LAKE MEDIAN MEDIAN 500— MEAN 15— MEDIAN
CODE LAKE NAME TOTAL P INORG N MEAN SEC CHLORA MIN 00 DISS ONTHO P NO
1764 LANE VANDALIA 47 ( 14) 60 ( 18) 60 ( 18) 83 ( 25) 13 ( 2) 60 ( 18) 323
1765 OLD t3EN MINE RESERVOIR 0 ( 0) 83 ( 25) 57 C 17) 40 ( 12) 60 ( 18) 0 ( 0) 2’.0
1766 HORSESHOE LAKE 43 ( 13) 57 ( 17) 37 ( 11) 3 ( 1) 93 ( 28) 80 C 24) 313
-------
LAKES RANKED BY INDEX NOS.
RANK LAKE CODE LAKE NAME INDEX NO
1 1759 CEDAR LAKE 528
2 1763 BALDWIN LAKE 504
3 1711 COFFEEN LAKE 454
4 1735 REND LAKE 422
5 1757 EAST LOON LAKE 399
6 1753 LAKE SANGCHRIS 369
7 1761 LAKE WEMATUK 367
8 1712 CRAB ORCHARD LAKE 347
9 1706 LAKE CARLYLE 345
10 1739 LAKE SHELBYVILLE 339
11 1751 LAKE STORY 333
12 1762 RACCOON LAKE 330
13 1764 LAKE VANDALIA 323
14 1766 HORSESHOE LAKE 313
15 1727 LAKE MARIE 303
16 1703 LAKE BLOOMINGTON 296
17 1742 LAKE SPRINGFIELD 283
18 1733 PISTAKEE LAKE 253
19 1754 LAKE HOLIDAY 247
20 1756 GRASS LAKE 244
21 1726 LAKE LOU YAEGER 241
22 176S OLD dEN MINE RESERVOIR 240
23 1740 SILVER LAKE (HIGHLAND) 229
24 1748 VENMIL ION LAKE 227
25 1708 LAKE CHARLESTON 225
26 1755 FOX LAKE 212
27 1758 SLOCUM LAKE 210
28 1714 LAKE DECATUN 201
-------
LAKES RANKED 6Y INDEX NOS.
RANK LAKE CODE LAKE NAME INDEX NO
29 1725 LONG LAKE 195
30 1750 WONDER LAKE 183
31 1752 DEPUE LAKE 139
-------
APPENDIX B
CONVERSIONS FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
Cubic meters x 8.107 x = 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 = lbs/square mile
-------
APPENDIX C
TRIBUTARY FLOW DATA
-------
TWI8UTARY FLO INFORMATION FOR ILLINOIS 10/23/75
LAKE CODE 1162 RACOON LAId
TOTAL DRAINAGE AREA OF LAKE(SU KM) 125.9
Slid—DRAINAGE NORMALIZED FLOWS(CMSJ
TRIBUTARY AREAISO 1dM) JAN FEI3 MAP APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN
1762A1 125.9 0.d2 1.23 1.52 1.S6 1.23 1.03 0.62 0.32 0.23 0.25 0.37 0.43 0.80
1762A2 90.1 0.58 0.88 1.38 1.11 0.Bf 0.74 0.44 0.23 0.16 0.17 0.26 0.31 0.57
1762Z 1 35.7 0.24 0.35 0.44 0.45 0.35 0.29 0.18 0.09 0.07 0.08 0.11 0.13 0.23
SUMMARY
TOTAL DRAINAGE AREA OF LAKE = 125.9 TOTAL FLOW IN = 9.60
SUM OF SUB—DRAINAGE AREAS = 125.9 TOTAL FLOW OUT = 9.60
MEAN MONTHLY FLOWS AND JAILY FLOWS(CMS)
TRII3UTARY MONTH YEAR MEAN FLOW DAY FLOW DAY FLOW DAY FLOW
1762A 1 6 73 1.16 3 0.01
7 73 0.01 8 0.01
8 73 0.01 S 0.01
9 73 0.03 9 0.01
11 73 0.99 3 0.01
12 73 0.51 2 0.01
1 74 0.91 6 0.01
2 74 0.85 17 0.01
3 74 1.19 3 0.01 16 10.45
4 74 1.13 7 0.01
5 74 0.16 4 0.01
1762A2 6 73 1.16 3 0.05
7 73 0.07 8 0.0
73 0.02 5 0.00
9 73 0.02 9 0.23
10 73 0.03 14 0.11
11 73 0.76 3 0.01
12 73 2.15 2 0.42
74 2.10 6 2.52
2 74 0.82 17 0.14
3 74 0.76 3 1.25 lb 1.70
4 7 ’. 1.40 7 0.82
5 74 1.36 4 0.74
I7b2ZL 6 73 0.48 3 0.02
7 73 0.03 8 0.0
8 73 0.01 5 0.0
9 73 0.01 9 0.09
10 73 0.02 1’. 0.04
Il 73 0.28 3 0.01
I? 73 0.82 2 0.16
I 76 0.79 6 0.96
2 0.34 17 0.06
3 7’. 0.31 3 0.411 16 0.68
4 7 ’ 0.70 7 0.34
5 7’. 0.56 4 0.28
-------
APPENDIX 0
PHYSICAL and CHEMICAL DATA
-------
STORET RETRIEVAL DATE 75/10/23
176201
38 32 40.0 089 06 15.0
RACCOON LAKE
17121 ILLINOIS
1 1EPALES
3
2111202
0015 FEET DEPTH
73/05/11 13 10 0000
13 10 0006
13 10 0011
73/0 /O 10 05 0000
10 05 0005
10 05 0010
73/10/19 09 43 0000
09 43 0012
00665 32217
PHOS—TOT CHLRPHYL
A
HG/L P UG/L
0.0 90
0.100
0.106
0.062
0.070
0.125
0.085
0.073
DATE
TIME DEPTH
FROM
OF
TO
DAY FEET
73/05/11
13 10 0000
13 10 0006
13 10 0011
73/08/08
10 05 0000
10 05 0005
10 05 0010
73/10/19
09 43 0000
09 43 0012
DATE
TIME DEPTH
FROM
OF
TO
DAY FEET
00010
00300
00077
00094
00400
00410
00610
00625
00630
00671
WATER
DO
TRANSP
CNDUCTVY
PH
1 ALK
NH3—N
TOT KJEL
NO2 N03
PiIOS—DIS
TEMP
SECCHI
FIELD
CACO3
TOTAL
N
N—TOTAL
ORTHO
CENT
MG/L
INCHES
MICROMHO
SU
MG/L
M(,/L
MG/L
MG/L
MG/L P
19.2
12
270
7.70
61
0.150
0.800
0.280
0.020
19.0
7.9
270
7.70
65
0.210
0.800
0.290
0.024
17.5
6.7
260
7.60
64
0.230
1.000
0.290
0.036
27.9
6.4
30
308
7.80
61
0.140
1.900
0.170
0.012
27.8
b.4
308
7.60
60
0.110
1.300
0.110
0.018
27.5
1.2
308
7.10
73
0.520
1.800
0.130
0.044
17.9
18
174
7.40
44
0.140
1.200
0.180
0.016
17.9
7.2
174
7.20
44
0.120
0.800
0.160
0.016
3.0
32.3
18.1
-------
STORET RETRIEVAL DATE 75/10/23
73/05/11 13 30 0000
73/08/08 10 30 0000
10 30 0003
73/10/19 09 55 0000
09 55 0002
0.110
0.145
0.151
0.125
0.299
176202
38 32 25.0 089 04 30.0
RACCOON LAKE
17121 ILLINOIS
1 1EPALES
3
DATE
FROM
TO
TIME DEPTH
OF
DAY FEET
73/05/11 13 30 0000
73/08/08 10 30 0000
10 30 0003
73/10/19 09 55 0000
09 55 0002
2111202
0005 FEET DEPTH
00010
00300
00077
00094
00400
00410
00610
00625
00630
00671
WATER
DO
TRANSP
CNDUCTVY
PH
1 ALK
NH3—N
TOT KJEL
N02&N03
PHOS—DIS
TEMP
SECCIsI
FIELD
CACO3
TOTAL
N
N—TOTAL
ORTHO
CENT
MG/L
INCHES
MICROMNO
SU
MG/L
MG/L
MG/L
MG/L
MG/L P
19.0
8.1
8
275
7.60
63
0.110
1.000
0.290
0.027
28.2
12
315
7.50
62
0.120
2.000
0.120
0.024
28.3
6.0
318
7.50
62
0.130
1.700
0.140
0.020
16.8
14
202
7.60
48
0.060
1.000
0.070
0.026
16.8
8.4
202
7.50
45
0.080
1.000
0.080
0.018
DATE
FROM
TO
TIME DEPTH
OF
DAY FEET
00665 32217
PHOS—TOT CHLRPHYL
A
MG/L P UG/L
17.9
40,9
3.1
-------
APPENDIX E
TRIBUTARY and WASTEWATER
TREATMENT PLANT DATA
-------
STORE! RETRIEVAL DATE 75/10/23
1 76241
38 32 49.0 U89 06 3S.0
RACCOON CREEK
17057 T.5 E CENTRALIA
0/RACCOON LAKE
8ANK 8ELO DAM ABOV CONFLU .UTH STP EFFLU
I IEPALES 2111204
4 0000 FEET DEPTH
00630 00625 00610 00671 00665
DATE TIME DEPTh N02&N03 TOT KJEL NH3—N PHOS—DIS PHOS—TOT
FROM OF N—TOTAL N TOTAL ORTHO
TO 04 ( FEET MG/L MG/L HG/L MG/L P MG/L
73/06/03 10 45 0.190 1.050 0.168 0.034 0.110
73/07/08 08 00 0.315 1.590 0.170 0.058 0.175
73/08/05 17 40 0.072 1.130 0.100 0.036 0.105
73/09/09 07 52 0.069 1.050 0.098 0.038 0.135
73/10/14 09 15 0.150 0.400 0.065 0.016 0.075
73/11/03 09 25 0.110 0.700 0.063 0.230
73/12/02 09 45 0.470 1.300 0.128 0.116 0.260
74/01/06 10 00 0.950 1.200 0.056 0.072 0.200
74/02/17 08 25 0.630 0.700 0.070 0.035 0.115
74/03/03 09 20 0.740 1.300 0.105 0.055 0.290
74/03/16 09 00 0.680 1.500 0.155 0.040 0.125
74/04/07 09 30 0.430 0.800 0.030 0.015 0.040
74/05/0’. 08 15 0.096 0.700 0.075 0.015 0.070
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STORE! RETIUEVAL DATE 75/10/23
1762A2
38 31 30.0 089 03 30.0
b ACCOON CREEK
17 7.5 E CENT$ ALIA
I/RACCOON LAKE
ST HwY 161 BROG 3 MI E OF CENTRALIA
1 IEPALES 2111204
4 0000 FEET DEPTH
00630 00625 00610 00671 00665
DATE TIME DEPTH NO2 NO3 TOT KJEL N,13—N PHOS-DIS PHOS-TOT
FROM OF N—TOTAL N TOTAL ORTHO
TO DAY FEET MG/L P46/L MG/L MG L P MG/L P
73/06/03 10 10 0.336 2.400 0.120 0.028 0.095
73/07/08 08 50 0.240 2.100 0.132 0.016 0.080
73/08/05 17 20 0.210 1.600 0.370 0.048 0.115
73/09/09 08 00 0.270 9.100 0.650 0.176 0.610
73/11/03 09 35 1.080 1.650 0.072 0.600
73/12/02 09 30 0.460 0.800 0.076 0.032 0.110
74/01/06 09 40 0.600 0.900 0.104 0.016 0.050
74/02/1? 08 40 0.102 1.800 0.075 0.020 0.055
74/03/03 09 00 0.630 2.200 0.165 0.035 0.250
74/03/16 09 15 0.528 3.400 0.320 0.070 0.160
74/04/07 09 00 0.148 1.550 0.215 0.020 0.022
74/05/0 ’ . 08 35 0.200 1.000 0.085 0.030 0.150
-------
STORET RETRIEVAL DATE 75/10/23
1762AA 5F1762AA P000065
38 30 56.0 089 02 13.0
KACCOON SCHOOL DISTRICT
17057 7.5 CENTRALIA E
T/RACCOON LAKE
KACCOON CREEK
11EPALES 2141204
4 0000 FEET DEPTH
DATE
FROM
TO
73/09/10
73/10/02
73/11/01
73/12/05
74/01/02
74/02/04
74/03/04
74/04/09
74/05/01
74/06/04
TIME DEPTH
OF
DAY FEET
08 30
10 00
09 00
08 45
09 00
09 00
09 00
09 30
10 30
09 30
00630
N02&N03
N-TOTAL
MG/L
0.039
56.000
1.372
12.200
14.400
25.200
37.000
24.000
38.000
73.000
00625
TOT KJEL
N
MG/L
11.900
0.500K
17.000
1.700
5.000
9.200
2.550
1.000
8.200
3.300
00610
NH3-N
TOTAL
MG/L
0.132
0.050
2.700
0*044
0.040K
0.055
0.050
0.050K
0.480
0.050K
00671
PHOS-DIS
ORTHO
MG/L P
4.500
3.570
6.400
3.780
2*400
3.500
3.900
3.600
3.150
5.250
00665
PHOS-TOT
MG/L P
5.500
5*500
7.350
3.300
2.800
5.250
4.150
3.800
4.900
5.300
50051
FLO*
RATE
INST M&D
0.003
0.002
0.002
0.002
0.003
0.003
0*003
0.002
0.003
0.003
50053
CONDUIT
FLOa-MGD
MONTHLY
0.003
0.002
0.002
0.002
0.003
0.003
0.003
0.002
0.003
0.003
K VALUE KNOWN TO BE
LESS THAN INDICATED
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