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). |
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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 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 715 | 634 | 912 | 1870 | 190 | 2110 | 1200 | 1420 | 2870 | 2120 | 668 | 620 |
2 | 910 | 403 | 773 | 1750 | 197 | 2210 | 1030 | 1290 | 2630 | 1620 | 473 | 2270 |
3 | 797 | 299 | 727 | 1590 | 204 | 2360 | 678 | 1990 | 2360 | 1310 | 349 | 5330 |
4 | 680 | 251 | 673 | 1640 | 213 | 1870 | 506 | 1440 | 2090 | 1050 | 829 | 5460 |
5 | 676 | 228 | 798 | 1530 | 229 | 1660 | 586 | 4130 | 1890 | 851 | 1770 | 4390 |
6 | 927 | 231 | 925 | 1250 | 224 | 1560 | 651 | 6880 | 1640 | 656 | 1430 | 3280 |
7 | 1200 | 282 | 1010 | 968 | 215 | 1410 | 621 | 8690 | 1370 | 568 | 967 | 2510 |
8 | 1510 | 267 | 978 | 910 | e205 | 1190 | 699 | 9150 | 1170 | 532 | 1180 | 2470 |
9 | 1760 | 221 | 839 | 766 | 207 | 901 | 651 | 9040 | 1020 | 514 | 945 | 2520 |
10 | 1680 | 226 | 824 | 702 | 190 | 820 | 539 | 8780 | 1000 | 513 | 724 | 2460 |
11 | 1480 | 420 | 821 | 665 | 186 | 778 | 487 | 8580 | 2390 | 525 | 583 | 2410 |
12 | 1240 | 421 | 782 | 612 | 180 | 880 | 394 | 8690 | 6400 | 756 | 366 | 2360 |
13 | 963 | 283 | 695 | 682 | 176 | 1380 | 368 | 8970 | 8370 | 1460 | 269 | 2020 |
14 | 648 | 215 | 660 | 748 | 182 | 2710 | 339 | 8590 | 8830 | 1880 | 227 | 1480 |
15 | 373 | 191 | 639 | 681 | 252 | 3430 | 313 | 8330 | 8640 | 1950 | 210 | 1220 |
16 | 203 | 159 | 788 | 625 | 888 | 3230 | 298 | 7440 | 7960 | 1760 | 195 | 993 |
17 | 156 | 151 | 1320 | 533 | 1040 | 2600 | 327 | 5260 | 6410 | 1450 | 186 | 768 |
18 | 164 | 157 | 1840 | e470 | 1700 | 2120 | 493 | 4410 | 5280 | 1170 | 177 | 580 |
19 | 185 | 154 | 2320 | e400 | 1760 | 1750 | 821 | 4280 | 4540 | 3140 | 168 | 408 |
20 | 205 | 152 | 2750 | e300 | 2660 | 2470 | 827 | 4260 | 4260 | 3660 | 161 | 331 |
21 | 208 | 151 | 2940 | e210 | 4390 | 2790 | 837 | 4240 | 4110 | 2690 | 151 | 217 |
22 | 187 | 143 | 3100 | e185 | 5670 | 3250 | 912 | 4450 | 3930 | 2370 | 148 | 173 |
23 | 181 | 133 | 3200 | e170 | 6250 | 2930 | 904 | 4610 | 3580 | 2350 | 147 | 159 |
24 | 171 | 131 | 2920 | e160 | 5900 | 2270 | 661 | 4390 | 3100 | 2030 | 140 | 147 |
25 | 211 | 166 | 2470 | e155 | 4980 | 1790 | 747 | 4410 | 2670 | 1570 | 134 | 137 |
26 | 933 | 916 | 2060 | e150 | 3790 | 1530 | 2070 | 4990 | 3090 | 1200 | 132 | 140 |
27 | 620 | 1510 | 1740 | e160 | 2950 | 1540 | 3070 | 4940 | 3900 | 868 | 129 | 857 |
28 | 332 | 1470 | 1460 | e165 | 2470 | 1610 | 2990 | 4230 | 3010 | 724 | 126 | 1020 |
29 | 693 | 1300 | 1200 | e170 | --- | 1530 | 2710 | 3590 | 2230 | 696 | 478 | 540 |
30 | 1880 | 1110 | 982 | e180 | --- | 1360 | 2040 | 3300 | 1790 | 683 | 2030 | 435 |
31 | 1130 | --- | 1090 | e182 | --- | 1250 | --- | 3090 | --- | 738 | 1080 | --- |
TOTAL | 23018 | 12375 | 44236 | 20579 | 47498 | 59289 | 28769 | 167860 | 112530 | 43404 | 16572 | 47705 |
MEAN | 743 | 412 | 1427 | 664 | 1696 | 1913 | 959 | 5415 | 3751 | 1400 | 535 | 1590 |
MAX | 1880 | 1510 | 3200 | 1870 | 6250 | 3430 | 3070 | 9150 | 8830 | 3660 | 2030 | 5460 |
MIN | 156 | 131 | 639 | 150 | 176 | 778 | 298 | 1290 | 1000 | 513 | 126 | 137 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2003, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 1015 | 1900 | 4527 | 4873 | 6203 | 6531 | 6051 | 4782 | 3575 | 2607 | 1624 | 1028 |
MAX | 5021 | 12600 | 17460 | 12050 | 18850 | 16930 | 16750 | 18490 | 8952 | 7383 | 5397 | 5280 |
(WY) | 1994 | 1994 | 1983 | 1991 | 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 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1970 - 2003 | |||
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ANNUAL TOTAL | 1954781 | 623835 | ||||
ANNUAL MEAN | 5356 | 1709 | 3714 | |||
HIGHEST ANNUAL MEAN | 6824 | 1973 | ||||
LOWEST ANNUAL MEAN | 1194 | 1992 | ||||
HIGHEST DAILY MEAN | 34100 | May 11 | 9150 | May 8 | 48700 | May 19 1995 |
LOWEST DAILY MEAN | 131 | Nov 24 | 126 | Aug 28 | 56 | Sep 12 1970 |
ANNUAL SEVEN-DAY MINIMUM | 146 | Nov 18 | 137 | Aug 22 | 63 | Sep 7 1970 |
MAXIMUM PEAK FLOW | 9270 | May 9 | 50300 | May 19 1995 | ||
MAXIMUM PEAK STAGE | 19.57 | May 9 | 25.79 | May 19 1995 | ||
INSTANTANEOUS LOW FLOW | 120 | Aug 29 | 54 | A | ||
10 PERCENT EXCEEDS | 13200 | 4270 | 10200 | |||
50 PERCENT EXCEEDS | 4270 | 967 | 1960 | |||
90 PERCENT EXCEEDS | 261 | 177 | 149 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |