Station list     Available data
ILLINOIS RIVER BASIN


05532000       ADDISON CREEK AT BELLWOOD, IL



LOCATION.-- Lat 41°52'54", long 87°52'09", in SW1/4SE1/4 sec.9, T.39 N., R.12 E., Cook County, Hydrologic Unit 07120004, on right bank at downstream side of bridge on Washington Boulevard in Bellwood, 1,050 ft upstream from railroad bridge, and at mile 3.2.

DRAINAGE AREA.-- 17.9 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: August 1950 to June 1951, October 1951 to current year.
 

STAGE: Water years 1994-2000.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1979-91.

REVISED RECORDS.-- WSP 1338: 1952. WSP 1708: 1958, 1959(P). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 617.65 ft above sea level (Cook County Highway Department bench mark). Prior to Oct. 26, 1951, at datum 2.00 ft higher.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,120 ft3/s, Aug. 14, 1987, gage height, 12.84 ft; no flow Sept. 14, 1962.

REMARKS FOR CURRENT YEAR.-- Records good except those for Sept. 5-11, which are fair, and those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 9.6 5.6 5.9 5.8 e4.8 13    7.1 16    36    9.2 29    9.6
2 8.9 6.0 6.6 5.8 e5.0 9.3 7.0 13    41    17    22    5.3
3 43    6.0 13    10    e5.3 8.8 7.0 10    16    126    20    12   
4 41    6.0 21    22    e5.7 8.5 7.5 10    12    46    6.0 29   
5 12    7.5 122    8.1 e5.5 7.5 6.6 10    37    24    20    25   
 
6 8.9 7.5 57    8.7 e5.4 7.2 7.0 11    16    14    25    8.6
7 8.0 5.3 45    7.0 e5.5 7.8 27    9.0 12    9.1 33    11   
8 8.0 5.3 25    9.0 e5.8 7.7 38    23    10    10    24    13   
9 7.5 6.1 18    11    e6.2 8.1 14    136    10    7.3 20    30   
10 6.5 5.9 12    20    e7.5 6.9 9.9 56    8.4 95    8.1 17   
 
11 6.1 6.1 8.5 11    e8.8 6.2 12    57    45    42    5.8 86   
12 7.5 5.8 7.2 8.7 e8.4 5.9 9.1 101    65    12    6.0 154   
13 7.1 5.7 6.6 8.0 e7.9 6.4 8.6 72    42    16    6.4 67   
14 7.1 4.7 8.0 8.0 e7.3 6.6 8.0 38    65    15    5.5 86   
15 6.7 4.5 13    8.2 e7.4 42    8.1 31    48    5.2 5.9 55   
 
16 13    6.0 10    6.2 e7.9 41    30    39    30    4.6 5.7 22   
17 6.8 5.5 8.4 e6.0 9.0 17    77    23    17    4.2 47    18   
18 6.1 5.9 7.5 e5.8 11    8.1 35    52    12    4.2 20    13   
19 6.7 5.8 7.1 e5.6 14    8.8 65    46    11    12    9.6 13   
20 6.1 6.0 e6.7 e5.4 14    41    206    21    25    4.4 7.7 31   
 
21 6.1 5.1 e6.3 e5.2 24    15    126    16    20    3.8 7.2 17   
22 6.3 5.1 e6.0 e5.1 46    11    90    15    12    4.2 6.7 64   
23 5.7 40    e5.8 e5.0 34    10    76    12    12    3.9 11    57   
24 5.1 19    e5.7 e4.8 82    24    58    10    64    4.6 8.4 35   
25 5.3 7.0 e5.7 e4.7 46    11    54    9.1 57    13    7.6 16   
 
26 7.1 5.8 e5.6 e4.7 22    9.2 52    9.6 38    15    11    12   
27 6.7 6.4 e5.6 e4.6 17    16    44    26    40    12    8.1 10   
28 6.9 5.1 e5.8 e4.6 12    9.9 38    59    29    4.1 11    9.8
29 5.9 4.9 e6.2 e4.7 12    8.9 32    21    22    3.9 11    8.7
30 5.9 5.9 e6.0 e5.0 ---    8.5 15    29    12    33    12    8.0
 
31 6.1 ---    5.6 e4.9 ---    8.1 ---    54    ---    46    11    ---   

TOTAL 293.7 221.5 472.8 233.6 447.4 399.4 1174.9 1034.7 864.4 620.7 431.7 943.0
MEAN 9.47 7.38 15.3 7.54 15.4 12.9 39.2 33.4 28.8 20.0 13.9 31.4
MAX 43 40 122 22 82 42 206 136 65 126 47 154
MIN 5.1 4.5 5.6 4.6 4.8 5.9 6.6 9.0 8.4 3.8 5.5 5.3
CFSM .53 .41 .85 .42 .86 .72 2.19 1.86 1.61 1.12 .78 1.76
IN. .61 .46 .98 .49 .93 .83 2.44 2.15 1.80 1.29 .90 1.96

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 2000, BY WATER YEAR (WY)
MEAN 12.6 14.6 13.9 13.1 15.6 23.0 27.0 20.0 17.3 14.1 16.3 13.9
MAX 46.5 44.5 53.5 39.2 51.5 72.6 59.0 57.9 41.5 46.6 103 61.4
(WY) 1955 1986 1983 1993 1997 1979 1983 1990 1993 1957 1987 1961
MIN .22 .46 1.63 .98 1.38 6.69 7.87 4.25 1.64 .68 .42 .31
(WY) 1953 1954 1954 1954 1963 1956 1971 1952 1956 1955 1953 1952

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1950 - 2000
ANNUAL TOTAL 8115.7       7137.8  
ANNUAL MEAN 22.2       19.5   16.8  
HIGHEST ANNUAL MEAN 27.6   1983
LOWEST ANNUAL MEAN 3.98 1953
HIGHEST DAILY MEAN 190      A     Apr 9 206          Apr 20 768      Aug 14 1987
LOWEST DAILY MEAN 2.6           Sep 9 3.8       Jul 21 .00 Sep 14 1962
ANNUAL SEVEN-DAY MINIMUM 3.2           Sep 3 4.7       Jan 23 .10 Oct 6 1952
INSTANTANEOUS PEAK FLOW 477          Apr 20 1120      Aug 14 1987
INSTANTANEOUS PEAK STAGE 7.31     Apr 20 12.84 Aug 14 1987
INSTANTANEOUS LOW FLOW 2.9       Nov 15, Aug 27
ANNUAL RUNOFF (CFSM) 1.24     1.09 .94
ANNUAL RUNOFF (INCHES) 16.87     14.83 12.79
10 PERCENT EXCEEDS 55          46      37     
50 PERCENT EXCEEDS 9.9       9.6   8.4  
90 PERCENT EXCEEDS 4.9       5.4   2.5  
A - Estimated.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data