Station list     Available data
ILLINOIS RIVER BASIN


05570000       SPOON RIVER AT SEVILLE, IL



LOCATION.-- Lat 40°29'24", long 90°20'25", 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 1994-2000.

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 sea level. 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 CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
1681 139 167 e230 e145 1680 603 893 4590 1860 449 136 
2427 135 168 e250 e150 1470 586 886 2660 1650 432 114 
3346 130 174 258 e160 1280 592 855 1810 1550 404 99 
4407 143 192 266 e170 1150 579 783 1520 1520 352 94 
5465 143 407 222 e180 1070 563 734 1430 1900 362 88 
 
6409 139 597 212 e190 998 538 713 1260 2430 361 82 
7340 137 675 265 e200 927 532 682 1110 2690 400 79 
8289 136 552 250 e210 866 552 658 1040 1890 478 76 
9248 141 441 266 e220 824 568 762 954 1520 428 75 
10224 149 369 250 e230 776 537 1000 895 1400 364 74 
 
11207 145 342 268 e250 722 520 1250 837 1870 312 74 
12189 140 345 277 e260 670 528 1150 855 1660 269 80 
13175 138 316 248 e270 643 516 1030 1010 1440 239 80 
14163 138 300 171 e280 628 490 921 1840 1270 221 94 
15159 139 281 193 e275 626 475 815 2870 1110 209 112 
 
16162 139 269 e220 e270 657 473 750 2370 1000 197 112 
17160 134 263 e200 264 667 496 773 1850 909 184 121 
18161 177 251 e190 363 614 532 781 1610 830 168 111 
19158 190 237 e240 481 603 540 736 1320 789 153 109 
20155 183 219 e170 525 716 602 777 1270 738 145 99 
 
21151 162 188 e180 474 926 892 1050 2070 696 138 98 
22151 156 e180 e190 478 988 2290 850 2750 651 134 97 
23146 144 e175 e180 502 913 2200 823 2020 601 131 471 
24150 142 e170 e170 658 855 1710 757 3620 555 128 1490 
25149 143 e170 e160 1000 829 1470 684 7600 518 143 767 
 
26149 150 e175 e155 2160 795 1300 630 8440 497 140 621 
27151 190 e180 e145 3260 770 1160 936 5690 473 126 488 
28150 185 e185 e140 2620 763 1070 1110 3220 453 116 374 
29142 182 e190 e135 1960 730 1010 1040 2510 431 111 279 
30144 173 e200 e135 --- 674 942 869 2140 410 110 232 
 
31140 --- e210 e140 --- 629 --- 1210 --- 416 150 --- 

TOTAL714845428588637618205264592486626908731613572775546826
MEAN23115127720662885482986824391152244228
MAX6811906752773260168022901250844026904781490
MIN14013016713514560347363083741011074
CFSM.14.09.17.13.38.52.51.531.49.70.15.14
IN..16.10.20.14.41.60.57.611.66.81.17.16

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 2000, BY WATER YEAR (WY)
MEAN5426156701030140916591858170915911052527615
MAX535643865745550043876524675280157908783947678440
(WY)198719861983191619491985198319951974199319241926
MIN26.524.926.817.744.218889.729.188.030.16.4617.9
(WY)195719151915194019891956195619341934193619141988

SUMMARY STATISTICSFOR 1999 CALENDAR YEARFOR 2000 WATER YEARWATER YEARS 1914 - 2000
ANNUAL TOTAL498446     246360     
ANNUAL MEAN1366     673     1104         
HIGHEST ANNUAL MEAN3578         1993
LOWEST ANNUAL MEAN168         1989
HIGHEST DAILY MEAN10600         Jan 278440         Jun 2632800         Aug 23 1924
LOWEST DAILY MEAN73         Sep 2774         Sep 10, 113.8      Jul 31 1914
ANNUAL SEVEN-DAY MINIMUM80         Sep 2177         Sep 74.2      Aug 23 1914
INSTANTANEOUS PEAK FLOW8650         Jun 2637300      AAug 22 1924
INSTANTANEOUS PEAK STAGE19.23    Jun 2633.10 BJul 26 1993
INSTANTANEOUS LOW FLOW72         Sep 113.8   CD
ANNUAL RUNOFF (CFSM).83.41.67    
ANNUAL RUNOFF (INCHES)11.345.609.17    
10 PERCENT EXCEEDS3320     1520     2540         
50 PERCENT EXCEEDS700     406     481         
90 PERCENT EXCEEDS140     138     62         
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.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data