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, 2003-2004.
 

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 (466.76 ft NAVD 1988). 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, 2.2 tons, Sept. 13-14, 2005.
 

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 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 114  1680  2580  e1100  1460  1460  1300  1150  e488  165  74  40 
2 124  5020  2540  1200  1410  1400  1170  1080  e457  155  64  38 
3 147  5310  2280  2370  1380  1310  1100  1020  403  146  57  36 
4 150  3360  2090  4140  1370  1250  1070  973  396  139  53  34 
5 131  3070  1920  5480  1370  1240  1040  928  402  139  57  33 
 
6 120  2640  2180  4830  1390  1210  1020  891  412  138  49  33 
7 116  2200  3830  3530  1560  1180  999  866  403  136  46  32 
8 153  1880  5070  2720  2070  1170  975  846  371  135  44  31 
9 462  1630  4320  2280  2320  1130  934  839  405  125  43  32 
10 579  1490  3410  2070  2090  1070  906  843  407  116  42  32 
 
11 414  1370  2820  2100  1820  1050  893  814  428  106  41  31 
12 338  1260  2440  2650  1700  1070  1170  768  433  108  40  29 
13 304  1150  2130  8360  1810  1030  1840  739  382  105  61  29 
14 288  1060  1870  10300  2980  960  1660  799  349  100  82  32 
15 287  999  1640  11300  4190  922  1340  839  331  93  67  39 
 
16 354  966  1580  9280  4050  893  1210  757  309  89  65  45 
17 377  963  1540  4690  3310  883  1130  708  292  86  66  47 
18 337  1000  1480  3510  2680  881  1080  679  275  83  62  45 
19 336  1070  1380  e2900  2220  877  1040  696  260  78  56  54 
20 350  1280  1280  e2500  1960  861  1000  701  250  73  52  82 
 
21 378  1200  e1200  e2200  1950  831  1050  713  239  69  46  77 
22 357  1100  e1100  e2000  1920  804  2130  676  229  66  44  79 
23 2200  1020  e1050  e1850  1760  891  3090  627  221  63  43  57 
24 3700  1020  e990  e1750  1650  1050  2550  591  222  61  41  44 
25 2040  1030  e920  e1700  1600  1230  1990  558  206  59  41  38 
 
26 1530  1020  e880  e1600  1550  1520  1700  528  195  69  48  38 
27 1910  1210  e860  e1580  1480  1680  1530  510  185  107  47  36 
28 2410  2460  e850  e1500  1460  1630  1400  e501  178  86  47  46 
29 1850  2880  e880  1520  ---  1520  1290  e494  175  92  46  55 
30 1800  2610  e930  1580  ---  1440  1220  e496  171  88  47  43 
 
31 1560  ---  e1000  1540  ---  1370  ---  e497  ---  78  44  --- 

TOTAL 25216 54948 59040 106130 56510 35813 40827 23127 9474 3153 1615 1287
MEAN 813 1832 1905 3424 2018 1155 1361 746 316 102 52.1 42.9
MAX 3700 5310 5070 11300 4190 1680 3090 1150 488 165 82 82
MIN 114 963 850 1100 1370 804 893 494 171 59 40 29
CFSM 0.50 1.12 1.16 2.09 1.23 0.71 0.83 0.46 0.19 0.06 0.03 0.03
IN. 0.57 1.25 1.34 2.41 1.29 0.81 0.93 0.53 0.22 0.07 0.04 0.03
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 2005, BY WATER YEAR (WY)
MEAN 531 614 678 1030 1452 1638 1830 1749 1617 1029 516 590
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 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1914 - 2005
ANNUAL TOTAL 362657        417140       
ANNUAL MEAN 991        1143        1103           
HIGHEST ANNUAL MEAN 3578            1993
LOWEST ANNUAL MEAN 168            1989
HIGHEST DAILY MEAN 6970            Jun 1 11300            Jan 15 32800            Aug 23 1924
LOWEST DAILY MEAN 78            Sep 14 29            Sep 12,13 3.8         Jul 31 1914
ANNUAL SEVEN-DAY MINIMUM 85            Sep 9 31            Sep 7 4.2         Aug 23 1914
MAXIMUM PEAK FLOW 11700            Jan 15 37300        A Aug 22 1924
MAXIMUM PEAK STAGE 22.22       Jan 15 33.10   B Jul 26 1993
INSTANTANEOUS LOW FLOW 28            Sep 12,13 3.8     C D
ANNUAL RUNOFF (CFSM) 0.606 0.699 0.674    
ANNUAL RUNOFF (INCHES) 8.25   9.49   9.16      
10 PERCENT EXCEEDS 1940        2480        2540           
50 PERCENT EXCEEDS 727        893        481           
90 PERCENT EXCEEDS 156        47        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