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 1994-2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1979-91, July 2000.
 

MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000.
BIOLOGICAL
 

BENTHIC MACROINVERTEBRATES: Water year 2000.
 

HABITAT: Water year 2000.

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 estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 7.9 9.1 9.9 e5.0 31    e24    10    7.9 57    2.3 3.1 64   
2 7.4 17    8.1 e5.2 21    18    9.5 7.8 37    2.1 69    47   
3 15    7.4 7.5 e5.4 e13    15    9.2 15    25    8.2 13    36   
4 127    6.4 6.9 e5.5 e10    12    9.0 9.0 17    3.4 7.4 34   
5 37    5.7 e6.5 e5.6 e9.5 10    22    7.3 75    2.3 14    33   
 
6 36    23    e6.1 e5.6 e9.0 10    122    7.2 35    1.9 13    49   
7 16    66    e5.9 e5.5 11    10    60    23    18    28    15    65   
8 12    28    e5.7 e5.5 52    10    23    10    14    4.8 17    22   
9 8.8 108    e5.5 e5.4 150    9.8 30    7.3 12    2.4 29    38   
10 9.3 62    e5.4 e5.3 83    9.1 18    7.8 9.0 2.1 46    14   
 
11 7.9 36    e6.0 e5.2 58    14    33    54    8.8 10    15    6.1
12 8.7 13    e8.0 e5.2 54    24    46    6.3 79    12    5.6 5.4
13 9.2 34    e7.6 e5.6 53    16    16    11    15    8.6 4.5 5.4
14 8.3 16    e7.1 35    72    12    15    12    25    9.1 4.2 4.9
15 8.2 13    e6.7 45    33    46    53    3.7 29    9.5 13    4.4
 
16 8.7 11    e6.3 31    23    68    23    21    8.1 6.7 54    3.6
17 8.7 10    e5.9 20    18    58    14    43    4.4 4.8 15    5.7
18 8.9 8.7 e5.6 16    e14    49    13    12    15    2.6 10    20   
19 9.1 7.7 e5.4 14    12    35    11    3.5 5.5 2.3 36    134   
20 9.5 7.3 e5.2 12    e11    26    37    2.5 4.9 1.9 8.9 74   
 
21 9.3 e7.0 e5.0 e11    e10    21    69    18    20    1.7 5.5 116   
22 8.3 e6.5 e4.8 e10    e9.7 18    26    21    13    36    23    61   
23 8.0 e6.1 e4.7 e9.0 e9.5 16    41    21    11    79    46    105   
24 8.3 e5.8 e4.6 e8.2 84    14    37    16    10    34    37    49   
25 7.9 9.0 e4.5 e7.6 83    13    31    33    10    64    132    45   
 
26 8.8 30    e4.5 e7.2 47    12    23    61    10    34    62    34   
27 8.2 14    e4.6 e6.9 36    13    12    54    10    15    46    35   
28 8.1 14    e4.6 e6.6 31    13    9.6 23    10    6.5 31    17   
29 7.0 11    e4.7 e30    ---    11    7.9 18    8.4 15    19    12   
30 6.6 9.2 e4.8 89    ---    11    7.7 15    3.5 7.9 29    11   
 
31 7.5 ---    e4.9 51    ---    10    ---    29    ---    3.5 105    ---   

TOTAL 451.6 601.9 183.0 479.5 1047.7 627.9 837.9 580.3 599.6 421.6 928.2 1150.5
MEAN 14.6 20.1 5.90 15.5 37.4 20.3 27.9 18.7 20.0 13.6 29.9 38.3
MAX 127 108 9.9 89 150 68 122 61 79 79 132 134
MIN 6.6 5.7 4.5 5.0 9.0 9.1 7.7 2.5 3.5 1.7 3.1 3.6
CFSM .81 1.12 .33 .86 2.09 1.13 1.56 1.05 1.12 .76 1.67 2.14
IN. .94 1.25 .38 1.00 2.18 1.30 1.74 1.21 1.25 .88 1.93 2.39
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 2001, BY WATER YEAR (WY)
MEAN 12.6 14.7 13.8 13.2 16.0 23.0 27.1 20.0 17.3 14.1 16.6 14.4
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 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1950 - 2001
ANNUAL TOTAL 7386.3   7909.7  
ANNUAL MEAN 20.2   21.7   16.9  
HIGHEST ANNUAL MEAN 27.6   1983
LOWEST ANNUAL MEAN 3.98 1953
HIGHEST DAILY MEAN 206          Apr 20 150          Feb 9 768      Aug 14 1987
LOWEST DAILY MEAN 3.8       Jul 21 1.7       Jul 21 .00 Sep 14 1962
ANNUAL SEVEN-DAY MINIMUM 4.6       Dec 23 3.4       Jun 30 .10 Oct 6 1952
MAXIMUM PEAK FLOW 379          Sep 20 1120      Aug 14 1987
MAXIMUM PEAK STAGE 6.27     Sep 20 12.84 Aug 14 1987
INSTANTANEOUS LOW FLOW 1.5       Jul 11, 21, 22
ANNUAL RUNOFF (CFSM) 1.13 1.21 .95
ANNUAL RUNOFF (INCHES) 15.35 16.44 12.86
10 PERCENT EXCEEDS 47      54      38     
50 PERCENT EXCEEDS 10      11      8.4  
90 PERCENT EXCEEDS 5.3   5.0   2.5  



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data