Station list     Available data
ILLINOIS RIVER BASIN


05570000       SPOON RIVER AT SEVILLE, IL

 

LOCATION.-- Lat 40°29'24", long 90°20'25" (NAD of 1927), in SE1/4NW1/4 sec.24, T.6 N., R.1 E., Fulton County, Hydrologic Unit 07130005, on left bank at downstream side of State Highway 95 bridge, 0.5 mi upstream from a railroad bridge, 0.5 mi northeast of Seville, 0.1 mi downstream from Shaw Creek, and at mile 39.2.

 

DRAINAGE AREA.-- 1,636 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: July 1914 to current year. Monthly discharge only for some periods, published in WSP 1308.

 

STAGE: Water years 1994-2002.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1978-93.

 

SEDIMENT: Water years 1980-97.

 

REVISED RECORDS.-- WSP 1208: 1917, 1920, 1922, 1924, 1926-27, 1929(M). WSP 1308: 1919(M), 1936(M), 1938(M), 1942(M), 1945(M). WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, and crest-stage gage. Datum of gage is 467.04 ft above NGVD of 1929. Datum of gage was incorrectly published water years 1927-1941. Prior to May 9, 1935, nonrecording gage 0.5 miles downstream at same datum. May 9, 1935 to June 30, 1976, nonrecording gage 0.47 miles downstream at same datum. July 1, 1976, to July 13, 1983, recording gage at present site and datum. July 14, 1983 to Sept. 18, 2000, recording gage 0.47 miles downstream at same datum.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 37,300 ft3/s, Aug. 22, 1924, gage height, 30.77 ft, from graph based on gage readings; maximum gage height, 33.10 ft, July 26, 1993, discharge, 34,700 ft3/s; minimum observed discharge, 3.8 ft3/s, July 31, Aug. 27-29, 1914.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 4,630 mg/L, July 21, 1996; minimum daily, 10 mg/L, Feb. 5, 6, 1996.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 128,000 tons, May 27, 1996; minimum daily, 2.9 tons, Feb. 6, 1996.

 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of 1883 reached a stage of about 33.0 ft, backwater from ice, discharge not determined.

 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
1111 358 407 e270 1120 1000 852 3180 2410 1330 443 375 
2110 354 390 e260 975 1110 812 3010 2280 1220 350 330 
3110 339 381 e250 906 1100 801 2760 1880 1120 296 294 
4111 335 370 e250 799 943 853 2290 1870 1050 263 265 
5127 318 362 e260 608 1170 910 1980 4070 986 240 236 
 
6175 301 365 e270 674 1300 855 1860 6260 924 226 212 
7191 292 358 e280 686 1470 860 1790 4280 904 220 196 
8202 284 347 e285 633 1720 1380 1660 3000 923 206 182 
9198 282 336 e290 652 2370 3740 2330 2480 867 198 173 
10179 267 323 e295 921 3260 5350 2150 2170 779 187 163 
 
11164 259 314 e300 1420 2850 4450 6170 3880 752 171 152 
12192 251 313 e308 1620 2260 3400 15200 4650 891 161 140 
13386 249 360 e310 1510 1950 2790 20900 13300 860 151 133 
14730 246 400 e310 1350 1740 2350 23200 12800 688 328 127 
15708 246 508 e300 1290 1590 2090 17200 15200 616 1820 128 
 
16851 245 543 e290 1240 1430 1900 13700 12700 558 885 130 
17603 e240 515 e270 1150 1280 1700 9190 5660 514 440 125 
18464 e245 484 e250 1100 1180 1570 5800 3890 479 320 125 
19384 e248 476 e250 1080 1130 1460 4720 3160 455 357 135 
20326 e250 454 e245 1260 1080 1370 3940 2670 492 600 156 
 
21298 297 422 e240 1630 1020 1860 3420 2380 464 678 156 
22382 294 441 e245 1780 935 1780 3020 2130 410 506 144 
23723 318 509 e255 1670 860 1670 2760 1940 362 5690 131 
24756 401 518 e260 1510 853 1590 3850 1780 326 6550 122 
25802 466 436 e250 1420 880 1900 4300 1660 299 5370 119 
 
26791 534 e465 e245 1310 855 2060 4660 1560 298 1780 114 
27617 551 e540 e240 1170 830 2810 4120 1510 1030 1210 108 
28516 502 e430 e240 1030 822 6350 3250 1580 1480 877 105 
29451 458 e380 e250 --- 841 5390 2820 2020 1100 638 101 
30407 435 e340 389 --- 889 4000 2500 1540 831 514 100 
 
31377 --- e300 979 --- 921 --- 2280 --- 642 435 --- 

TOTAL12442986512787913632514416396890318001012671023650321104977
MEAN401.4328.8412.5294.711611343229758074224762.91036165.9
MAX851551543979178032606350232001520014806550375
MIN11024030024060882280116601510298151100
CFSM0.250.200.250.180.710.821.403.552.580.470.630.10
IN.0.280.220.290.210.740.951.574.092.880.540.730.11

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 2002, BY WATER YEAR (WY)
MEAN537.5608.9662.31017147116641865176316421044528.6605.4
MAX535643865745550071116524675280157908783947678440
(WY)198719861983191620011985198319951974199319241926
MIN26.524.926.817.744.218889.729.188.030.16.4617.9
(WY)195719151915194019891956195619341934193619141988

SUMMARY STATISTICSFOR 2001 CALENDAR YEARFOR 2002 WATER YEARWATER YEARS 1914 - 2002
ANNUAL TOTAL596988       554743     
ANNUAL MEAN1636       1520     1114         
HIGHEST ANNUAL MEAN3578         1993
LOWEST ANNUAL MEAN168         1989
HIGHEST DAILY MEAN16900           Feb 1123200         May 1432800         Aug 23 1924
LOWEST DAILY MEAN99           Sep 17100         Sep 303.8      Jul 31 1914
ANNUAL SEVEN-DAY MINIMUM107           Sep 2110         Sep 244.2      Aug 23 1914
MAXIMUM PEAK FLOW24800         May 1437300      AAug 22 1924
MAXIMUM PEAK STAGE28.48    May 1433.10 BJul 26 1993
INSTANTANEOUS LOW FLOW98         Sep 303.8   CD
ANNUAL RUNOFF (CFSM)1.0000.930.68    
ANNUAL RUNOFF (INCHES)13.58  12.629.26    
10 PERCENT EXCEEDS3860       3320     2580         
50 PERCENT EXCEEDS520       652     484         
90 PERCENT EXCEEDS152       192     64         

A - Gage height, 30.77 ft., from graph based on gage readings.

B - Discharge, 34,700 ft3/s.

C - Observed.

D - July 31, and Aug. 27-29, 1914.



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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data