LOCATION.-- Lat 38°27'02", long 89°37'39" (NAD of 1927), in NW1/4NW1/4 sec.14, T.1 S., R.5 W., Washington County, Hydrologic Unit 07140204, on left bank at downstream side of bridge on State Highways 160 and 177, 1 mi northwest of Venedy Station, 2.5 mi downstream from Sugar Creek, 4 mi west of Okawville, and at mile 57.2. |
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DRAINAGE AREA.-- 4,393 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1969 to current year. |
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STAGE: Water years 1994 to current year. Gage-height record for Mar. 7, 1968, to Sept. 30, 1969, available in files of U.S. Army Corps of Engineers. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1975-91. |
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SEDIMENT: May 1980 to Sept. 1997. |
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SPECIFIC CONDUCTANCE: Water years 1975-81. |
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WATER TEMPERATURE: Water years 1975-81. |
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MISCELLANEOUS: Sediment concentration and particle size, water years 1993-94, 1996-97. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and crest-stage gage. Datum of gage is 380.10 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (379.71 ft NAVD 1988). |
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REMARKS.-- Flow partially regulated by Carlyle Lake (station 05592990), 35 mi upstream from gage. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 50,300 ft3/s, May 19, 1995, gage height, 25.79 ft; minimum discharge, 54 ft3/s, Sept. 12, 13, 1970. |
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SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 2,590 mg/L, June 1, 1982; minimum daily, 5 mg/L, Dec. 20-29, 1980, Feb. 5, 1981. |
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SUSPENDED-SEDIMENT LOADS: Maximum daily, 46,200 tons, June 1, 1982; minimum daily, 1.9 tons, Jan. 14-16, 19, 23, 24, 1981. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 126 | 1530 | 8320 | 6160 | 11500 | 11700 | 3240 | 722 | 184 | 227 | 197 | 187 |
2 | 124 | 2720 | 9060 | 6160 | 11500 | 11700 | 2820 | 709 | 185 | 223 | 190 | 166 |
3 | 120 | 3760 | 9000 | 7160 | 11500 | 11500 | 2400 | 689 | 190 | 211 | 178 | 157 |
4 | e110 | 3920 | 8790 | 9850 | 11500 | 11400 | 1950 | 545 | 185 | 211 | 168 | 151 |
5 | e100 | 3710 | 7930 | 13900 | 11600 | 11300 | 1690 | 479 | 172 | 309 | 167 | 144 |
6 | 98 | 3440 | 6410 | 23800 | 11600 | 11100 | 1500 | 418 | 168 | 275 | 183 | 136 |
7 | 96 | 2830 | 7050 | 31500 | 11700 | 10900 | 1440 | 379 | 169 | 224 | 195 | 131 |
8 | 97 | 2550 | 8970 | 34600 | 12400 | 10500 | 1410 | 354 | 165 | 210 | 147 | 128 |
9 | 97 | 2410 | 9980 | 31000 | 13300 | 10100 | 1400 | 334 | 160 | 221 | 175 | 127 |
10 | 96 | 2290 | 10600 | 25600 | 14100 | 9630 | 1430 | 318 | 158 | 224 | 178 | 126 |
11 | 96 | 2960 | 10500 | 20600 | 14300 | 9180 | 1280 | 341 | 161 | 234 | 166 | 124 |
12 | 97 | 5270 | 10800 | 17000 | 14000 | 8680 | 1180 | 310 | 173 | 275 | 160 | 118 |
13 | 107 | 5830 | 11500 | 16500 | 13800 | 8020 | 1740 | 291 | 186 | 401 | 141 | 119 |
14 | 112 | 5230 | 11400 | 17900 | 14500 | 7180 | 1260 | 348 | 689 | 387 | 228 | 125 |
15 | 124 | 4460 | 9500 | 20200 | 15400 | 6010 | 1300 | 400 | 770 | 382 | 325 | 134 |
16 | 124 | 3590 | 7320 | 20100 | 15600 | 4880 | 982 | 368 | 499 | 363 | 287 | 335 |
17 | 119 | 2890 | 6270 | 17900 | 15500 | 4440 | 769 | 324 | 617 | 488 | 275 | 680 |
18 | 208 | 2660 | 5930 | 17700 | 15300 | 4320 | 667 | 297 | 513 | 407 | 284 | 312 |
19 | 1680 | 2660 | 5830 | 17000 | 14800 | 4190 | 595 | 265 | 398 | 323 | 274 | 222 |
20 | 1850 | 2990 | 5750 | 15700 | 13700 | 4050 | 542 | 258 | 320 | 298 | 263 | 818 |
21 | 1670 | 3310 | 5680 | 14500 | 13000 | 3990 | 508 | 310 | 273 | 283 | 247 | 2690 |
22 | 1750 | 3230 | 5620 | 13500 | 12600 | 4020 | 1040 | 275 | 241 | 265 | 237 | 2560 |
23 | 1370 | 2940 | 5660 | 12800 | 12400 | 5040 | 997 | 242 | 217 | 239 | 234 | 1280 |
24 | 1170 | 3210 | 5790 | 12300 | 12100 | 6170 | 809 | 226 | 198 | 186 | 224 | 567 |
25 | 1030 | 5770 | 6210 | 12100 | 12000 | 6700 | 772 | 217 | 192 | 195 | 214 | 361 |
26 | 1150 | 7080 | 6290 | 12000 | 11900 | 6890 | 767 | 210 | 181 | 211 | 242 | 1070 |
27 | 2880 | 6750 | 6190 | 11800 | 11800 | 6440 | 779 | 209 | 179 | 218 | 619 | 1300 |
28 | 3410 | 6510 | 6150 | 11700 | 11700 | 6180 | 791 | 203 | 216 | 217 | 544 | 659 |
29 | 3280 | 6350 | 6140 | 11700 | --- | 5650 | 745 | 191 | 232 | 205 | 402 | 1330 |
30 | 2870 | 6640 | 6140 | 11700 | --- | 4840 | 729 | 184 | 221 | 202 | 277 | 995 |
31 | 2130 | --- | 6150 | 11700 | --- | 3970 | --- | 182 | --- | 199 | 223 | --- |
TOTAL | 28291 | 119490 | 236930 | 506130 | 365100 | 230670 | 37532 | 10598 | 8212 | 8313 | 7644 | 17252 |
MEAN | 913 | 3983 | 7643 | 16330 | 13040 | 7441 | 1251 | 342 | 274 | 268 | 247 | 575 |
MAX | 3410 | 7080 | 11500 | 34600 | 15600 | 11700 | 3240 | 722 | 770 | 488 | 619 | 2690 |
MIN | 96 | 1530 | 5620 | 6160 | 11500 | 3970 | 508 | 182 | 158 | 186 | 141 | 118 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 993 | 1999 | 4620 | 5343 | 6317 | 6522 | 5838 | 4610 | 3543 | 2521 | 1572 | 1011 |
MAX | 5021 | 12600 | 17460 | 16330 | 18850 | 16930 | 16750 | 18490 | 8952 | 7383 | 5397 | 5280 |
(WY) | 1994 | 1994 | 1983 | 2005 | 1982 | 1979 | 1979 | 2002 | 2002 | 2000 | 1998 | 1993 |
MIN | 96.6 | 82.6 | 89.4 | 74.2 | 516 | 891 | 434 | 211 | 102 | 104 | 161 | 102 |
(WY) | 2000 | 2000 | 1977 | 1977 | 1978 | 1981 | 2000 | 1976 | 1988 | 1976 | 1988 | 1976 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1970 - 2005 | |||
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ANNUAL TOTAL | 1455258 | 1576162 | ||||
ANNUAL MEAN | 3976 | 4318 | 3729 | |||
HIGHEST ANNUAL MEAN | 6824 | 1973 | ||||
LOWEST ANNUAL MEAN | 1194 | 1992 | ||||
HIGHEST DAILY MEAN | 14600 | Jan 10 | 34600 | Jan 8 | 48700 | May 19 1995 |
LOWEST DAILY MEAN | 96 | A | 96 | A | 56 | Sep 12 1970 |
ANNUAL SEVEN-DAY MINIMUM | 97 | Oct 6 | 97 | Oct 6 | 63 | Sep 7 1970 |
MAXIMUM PEAK FLOW | 35300 | Jan 8 | 50300 | May 19 1995 | ||
MAXIMUM PEAK STAGE | 24.08 | Jan 8 | 25.79 | May 19 1995 | ||
INSTANTANEOUS LOW FLOW | 93 | Oct 11 | 54 | B | ||
10 PERCENT EXCEEDS | 9560 | 12200 | 10200 | |||
50 PERCENT EXCEEDS | 3040 | 1150 | 1970 | |||
90 PERCENT EXCEEDS | 194 | 163 | 151 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |