LOCATION.-- Lat 37°28'20", long 88°32'50" (NAD of 1927), in NW1/4SE1/4 sec.16, T.12 S., R.6 E., Pope County, Hydrologic Unit 05140203, on left bank at upstream side of bridge on County Highway 5, 2.8 mi southeast of Eddyville and at mile 17.7. |
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DRAINAGE AREA.-- 42.9 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1967 to current year. |
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STAGE: Water years 1994-2002. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1979-91. Additional chemical data for water years 1961, 1964, 1969-77 are published in Water-Resources Investigations 78-24 and 79-25 as site AK 02. |
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SEDIMENT: January 1980 to September 1981. |
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SPECIFIC CONDUCTANCE: Water years 1980-81. |
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WATER TEMPERATURE: Water years 1980-81. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 360.42 ft above NGVD of 1929. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 16,100 ft3/s, Aug. 24, 1985, from rating curve extended above 23.5 ft, based on contracted-opening measurement, gage height, 27.78 ft; no flow for several days in most years. |
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SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 299 mg/L May 18, 1981; minimum daily mean, 0 mg/L on many days each year. |
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SUSPENDED-SEDIMENT LOADS: Maximum daily, 2,340 tons May 18, 1981; minimum daily, 0 ton on many days each year. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. |
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 2.1 | 12 | 185 | e21 | 730 | 48 | 59 | 349 | 24 | 1.5 | 0.01 | 0.00 |
2 | 2.1 | 12 | 89 | e19 | 209 | 79 | 51 | 219 | 22 | 1.2 | 0.00 | 0.00 |
3 | 2.0 | 11 | 56 | e17 | 147 | 164 | 50 | 167 | 21 | 1.1 | 0.00 | 0.00 |
4 | 1.9 | 11 | 42 | e16 | 97 | 120 | 44 | 112 | 20 | 0.88 | 0.00 | 0.00 |
5 | 14 | 10 | 32 | e17 | 73 | 92 | 39 | 84 | 20 | 0.77 | 0.00 | 0.00 |
6 | 15 | 10 | 152 | e18 | 61 | 60 | 34 | 69 | 41 | 0.68 | 0.00 | 0.00 |
7 | 7.2 | 9.6 | 141 | e20 | 52 | 50 | 31 | 59 | 21 | 0.53 | 0.00 | 0.00 |
8 | 4.7 | 9.4 | 260 | e23 | 44 | 42 | 31 | 693 | 18 | 0.44 | 0.00 | 0.00 |
9 | 3.6 | 9.1 | 112 | 27 | 37 | 411 | 34 | 542 | 15 | 0.35 | 0.00 | 0.00 |
10 | 3.6 | 8.4 | 61 | 27 | 34 | 222 | 30 | 214 | 14 | 0.30 | 0.00 | 0.00 |
11 | 59 | 8.2 | 43 | 25 | 29 | 134 | 28 | 149 | 13 | 0.24 | 0.00 | 0.00 |
12 | 146 | 8.2 | 143 | 23 | 26 | 121 | 109 | 273 | 12 | 0.19 | 0.00 | 0.00 |
13 | 389 | 8.2 | 274 | 22 | 24 | 103 | 800 | 2170 | 11 | 0.15 | 0.07 | 0.00 |
14 | 718 | 8.0 | 714 | 21 | 22 | 78 | 1070 | 269 | 9.4 | 0.10 | 0.12 | 0.00 |
15 | 119 | 7.7 | 213 | 20 | 21 | 107 | 250 | 147 | 8.6 | 0.08 | 0.07 | 0.00 |
16 | 53 | 6.9 | 1180 | 18 | 19 | 568 | 149 | 122 | 7.8 | 0.05 | 0.04 | 0.00 |
17 | 35 | 6.7 | 3540 | 18 | 17 | 205 | 78 | 1140 | 7.0 | 0.05 | 0.02 | 0.05 |
18 | 27 | 6.5 | e500 | 18 | 16 | 137 | 52 | 351 | 6.3 | e0.05 | 0.00 | 0.07 |
19 | 20 | 6.7 | e140 | 20 | 16 | 858 | 114 | 187 | 5.6 | e0.05 | 0.00 | 0.10 |
20 | 18 | 6.8 | 75 | 20 | 109 | 979 | 301 | 160 | 5.1 | e0.05 | 0.04 | 105 |
21 | 16 | 6.6 | 61 | 20 | 95 | 245 | 583 | 138 | 4.5 | e0.04 | 0.00 | 46 |
22 | 13 | 6.6 | 59 | 23 | 49 | 139 | 337 | 102 | 4.1 | 0.04 | 0.00 | 6.5 |
23 | 14 | 6.4 | 102 | 254 | 40 | 114 | 170 | 77 | 3.6 | 0.12 | 0.00 | 2.1 |
24 | 16 | 60 | 96 | 1950 | 39 | 96 | 157 | 59 | 3.2 | 0.08 | e0.00 | 1.3 |
25 | 35 | 50 | e70 | 222 | 39 | 344 | 120 | 52 | 3.0 | 0.07 | e0.00 | 0.91 |
26 | 28 | 34 | e60 | 126 | 92 | 1150 | 86 | 49 | 2.9 | 0.06 | e0.00 | 3.5 |
27 | 22 | 630 | 51 | 88 | 62 | 234 | 125 | 41 | 2.4 | 0.06 | 0.00 | 164 |
28 | 18 | 994 | e42 | 67 | 53 | 171 | 411 | 33 | 2.1 | 0.04 | 0.00 | 29 |
29 | 16 | 1880 | e35 | 54 | --- | 128 | 180 | 38 | 1.8 | 0.04 | 0.00 | 9.7 |
30 | 14 | 1080 | e29 | 207 | --- | 94 | 131 | 34 | 1.6 | 0.05 | 0.00 | 4.5 |
31 | 13 | --- | e24 | 813 | --- | 73 | --- | 28 | --- | 0.04 | 0.00 | --- |
TOTAL | 1845.2 | 4924.0 | 8581 | 4234 | 2252 | 7366 | 5654 | 8127 | 331.0 | 9.40 | 0.37 | 372.73 |
MEAN | 59.52 | 164.1 | 276.8 | 136.6 | 80.43 | 237.6 | 188.5 | 262.2 | 11.03 | 0.303 | 0.012 | 12.42 |
MAX | 718 | 1880 | 3540 | 1950 | 730 | 1150 | 1070 | 2170 | 41 | 1.5 | 0.12 | 164 |
MIN | 1.9 | 6.4 | 24 | 16 | 16 | 42 | 28 | 28 | 1.6 | 0.04 | 0.00 | 0.00 |
CFSM | 1.39 | 3.83 | 6.45 | 3.18 | 1.87 | 5.54 | 4.39 | 6.11 | 0.26 | 0.01 | 0.00 | 0.29 |
IN. | 1.60 | 4.27 | 7.44 | 3.67 | 1.95 | 6.39 | 4.90 | 7.05 | 0.29 | 0.01 | 0.00 | 0.32 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 7.142 | 46.83 | 86.16 | 84.10 | 99.37 | 130.3 | 121.6 | 84.63 | 32.89 | 15.53 | 10.46 | 5.458 |
MAX | 59.5 | 216 | 377 | 265 | 287 | 306 | 408 | 266 | 153 | 89.9 | 174 | 75.0 |
(WY) | 2002 | 1986 | 1983 | 1969 | 1989 | 1979 | 1983 | 1990 | 1970 | 1989 | 1985 | 1985 |
MIN | 0.000 | 0.013 | 0.14 | 0.77 | 5.31 | 28.2 | 20.6 | 4.05 | 0.22 | 0.14 | 0.012 | 0.000 |
(WY) | 1988 | 2000 | 1977 | 1981 | 1996 | 1981 | 1986 | 1988 | 1988 | 1978 | 2002 | 1999 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1968 - 2002 | |||
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ANNUAL TOTAL | 24256.55 | 43696.70 | ||||
ANNUAL MEAN | 66.46 | 119.7 | 60.17 | |||
HIGHEST ANNUAL MEAN | 120 | 2002 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 3540 | Dec 17 | 3540 | Dec 17 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | 0.17 | Jul 14-17 | 0.00 | Many days | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 0.18 | Jul 12 | 0.00 | Aug 2 | 0.00 | Aug 25 1968 |
MAXIMUM PEAK FLOW | 7260 | Dec 17 | 16100 B | Aug 24 1985 | ||
MAXIMUM PEAK STAGE | 19.49 | Dec 17 | 27.78 | Aug 24 1985 | ||
ANNUAL RUNOFF (CFSM) | 1.55 | 2.79 | 1.40 | |||
ANNUAL RUNOFF (INCHES) | 21.03 | 37.89 | 19.06 | |||
10 PERCENT EXCEEDS | 108 | 252 | 119 | |||
50 PERCENT EXCEEDS | 11 | 23 | 9.2 | |||
90 PERCENT EXCEEDS | 1.5 | 0.00 | 0.10 |
B - From rating curve extended above 23.5 ft, based on contracted-opening measurement. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |