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 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-93.
 

SEDIMENT: Water years 1980-97, Feb. 2003 to current year.
 

MISCELLANEOUS: Sediment concentration and particle size, water years 1993, 1995-97, 2003.
 

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, sediment sampler, 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, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 60  76  286  762  e410  680  1370  681  6970  555  201  222 
2 65  81  278  728  e390  652  1290  1000  6360  526  194  177 
3 59  134  270  722  e380  634  1200  882  5190  525  184  151 
4 53  268  255  724  e370  631  1110  817  2890  575  187  133 
5 48  548  259  699  e360  1270  1040  950  2230  658  191  121 
 
6 47  957  265  645  e360  2340  977  962  1940  793  204  111 
7 47  613  278  712  e350  2370  944  868  1750  868  202  104 
8 47  472  280  882  e340  1870  918  794  1580  613  207  98 
9 51  357  284  862  e340  1520  878  990  1450  568  168  93 
10 53  288  2100  846  e340  1320  826  1230  1580  731  149  90 
 
11 49  255  6230  809  e330  1190  765  1110  1950  919  136  86 
12 49  235  5540  765  e330  1080  725  1090  2100  1050  136  83 
13 54  215  3340  726  e320  992  696  1530  1810  1490  128  80 
14 75  196  2220  720  e320  932  674  1290  1530  956  118  78 
15 80  182  1830  693  e320  918  662  1440  1430  708  113  82 
 
16 93  174  1630  672  e310  906  643  1590  1380  575  109  297 
17 124  170  1470  658  e310  888  630  1590  1300  510  104  1400 
18 116  261  1320  623  e330  888  608  1360  1170  545  105  684 
19 107  660  1210  e640  e400  882  581  1310  1080  457  134  452 
20 98  743  1080  e680  e700  846  563  1490  998  392  418  365 
 
21 86  599  1030  e720  e900  786  605  1370  968  359  350  285 
22 78  535  1020  e660  e1550  739  695  1280  1000  334  255  236 
23 73  445  1070  e620  e1500  699  694  1680  957  329  202  203 
24 65  391  977  e590  e1400  696  621  1860  864  392  158  179 
25 82  356  886  e550  e1250  724  616  1940  775  337  202  162 
 
26 84  350  841  e530  e1050  787  661  1700  718  309  254  150 
27 84  345  845  e510  e900  983  670  1910  675  275  369  139 
28 89  328  861  e480  e760  1160  617  1650  645  254  338  131 
29 85  314  845  e460  e720  1350  576  1430  616  237  391  125 
30 84  302  834  e450  ---  1440  576  1420  589  225  352  117 
 
31 77  ---  800  e430  ---  1420  ---  4360  ---  214  280  --- 

TOTAL 2262 10850 40434 20568 17340 33593 23431 43574 54495 17279 6539 6634
MEAN 73.0 362 1304 663 598 1084 781 1406 1816 557 211 221
MAX 124 957 6230 882 1550 2370 1370 4360 6970 1490 418 1400
MIN 47 76 255 430 310 631 563 681 589 214 104 78
CFSM 0.04 0.22 0.80 0.41 0.37 0.66 0.48 0.86 1.11 0.34 0.13 0.14
IN. 0.05 0.25 0.92 0.47 0.39 0.76 0.53 0.99 1.24 0.39 0.15 0.15
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 2004, BY WATER YEAR (WY)
MEAN 528 601 664 1003 1446 1643 1835 1760 1631 1039 521 596
MAX 5356 4386 5745 5500 7111 6524 6752 8015 7908 7839 4767 8440
(WY) 1987 1986 1983 1916 2001 1985 1983 1995 1974 1993 1924 1926
MIN 26.5 24.9 26.8 17.7 44.2 188 89.7 29.1 88.0 30.1 6.46 17.9
(WY) 1957 1915 1915 1940 1989 1956 1956 1934 1934 1936 1914 1988

SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1914 - 2004
ANNUAL TOTAL 196494        276999       
ANNUAL MEAN 538        757        1103           
HIGHEST ANNUAL MEAN 3578            1993
LOWEST ANNUAL MEAN 168            1989
HIGHEST DAILY MEAN 9400            Jul 10 6970            Jun 1 32800            Aug 23 1924
LOWEST DAILY MEAN 47            Oct 6-8 47            Oct 6-8 3.8         Jul 31 1914
ANNUAL SEVEN-DAY MINIMUM 49            Oct 5 49            Oct 5 4.2         Aug 23 1914
MAXIMUM PEAK FLOW 7210            Jun 1 37300        A Aug 22 1924
MAXIMUM PEAK STAGE 17.66       Jun 1 33.10   B Jul 26 1993
INSTANTANEOUS LOW FLOW 46            Oct 6 3.8     C D
ANNUAL RUNOFF (CFSM) 0.329 0.463 0.674    
ANNUAL RUNOFF (INCHES) 4.47   6.30   9.16      
10 PERCENT EXCEEDS 1170        1490        2540           
50 PERCENT EXCEEDS 265        616        480           
90 PERCENT EXCEEDS 66        96        65           

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