Station list     Available data
ILLINOIS RIVER BASIN


05540091                   SPRING BROOK AT FOREST PRESERVE NEAR WARRENVILLE, IL



LOCATION.--Lat 41°50'07", long 88°10'56", in SW1/4SW1/4 sec.26, T.39 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on right bank on upstream side of footbridge in Roy C. Blackwell Forest Preserve, 0.7 mi upstream from the confluence with the West Branch Du Page River and 1 mi northwest of Warrenville.

DRAINAGE AREA.--6.83 mi2.

PERIOD OF RECORD.--October 1991 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 690.15 ft above sea level.

REMARKS.--Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 3 mi upstream averaged about 4 ft3/s per day.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
120 14   e18   e8.220   e15   e8.1e25   33   35   7.45.9
211 e13   e15   e8.229   e15   e8.2e20   61   25   6.24.6
327 e12   e13   e8.229   e15   e8.4e15   32   e19   4.65.3
416 e11   e12   e8.127   e14   e8.6e13   e21   e15   4.86.4
532 e10   e13   e8.022   e9.4e8.4e12   e15   e13   5.85.7
 
626 e9.8e40   e8.0e17   e13   e8.4e12   e11   11   6.25.5
724 e9.4e74   e7.7e15   e14   e8.8e14   e11   12   6.66.7
819 e12   e45   e7.6e14   e13   e12   e13   e10   9.88.24.1
916 e20   e25   e8.0e13   e12   e58   e11   e8.420   6.85.4
10e15 e60   e20   e7.8e13   e13   e30   e10   e10   18   7.05.9
 
11e14 e50   e17   e7.720   e14   e22   21   28   12   7.06.0
12e14 e40   e16   e7.327   e15   e18   69   37   9.38.45.7
13e13 e31   e16   e7.420   e15   e16   36   103   8.910   7.1
14e12 e25   e15   e7.4e15   e15   e11   29   64   8.18.46.0
15e12 e19   e14   e9.0e13   e17   e17   e20   35   8.26.85.1
 
16e30 e17   e13   14   e12   26   e68   e16   29   7.97.35.8
17e77 e14   e12   16   e11   32   e40   42   e20   8.57.45.9
18e105 e12   9.428   e11   29   e28   28   e14   9.37.15.8
19e50 e13   10   23   e10   24   e25   24   e12   8.69.94.3
20e40 e12   10   20   e9.8e18   e22   e15   e11   11   8.96.5
 
21e25 e12   e10   19   e9.5e16   30   28   e12   20   7.95.7
22e20 e12   e9.788   e9.0e14   37   65   e16   13   7.55.8
23e17 e11   e9.4121   e8.5e12   128   40   e15   10   7.35.2
24e14 e12   e9.269   e8.0e11   56   32   e16   13   11   5.0
25e13 e12   e9.046   e7.6e10   40   e25   e12   10   8.66.2
 
26e17 e12   9.734   14   e9.833   e16   e9.89.39.14.7
27e19 e11   9.131   23   e8.064   e13   56   8.26.77.4
28e21 e11   9.634   21   e9.091   e11   30   7.35.130   
2918 e13   e8.429   ---   e8.850   e10   23   7.86.127   
3017 e21   e8.232   ---   e8.031   e9.421   8.37.014   
 
3116 ---   e8.024   ---   e8.2---   21   ---   7.96.1---   

TOTAL770531.2507.7746.6448.4453.2985.9715.4776.2384.4227.2224.7
MEAN24.817.716.424.116.014.632.923.125.912.47.337.49
MAX1056074121293212869103351130
MIN119.48.07.37.68.08.19.48.47.34.64.1
CFSM3.642.592.403.532.342.144.813.383.791.821.071.10
IN.4.192.892.774.072.442.475.373.904.232.091.241.22

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1992 - 1999, BY WATER YEAR (WY)
MEAN11.915.012.717.616.218.722.917.918.012.412.410.3
MAX24.820.917.929.535.428.534.426.730.229.617.416.1
(WY)199919951993199319971998199319961993199619971998
MIN7.356.497.728.927.3710.78.356.987.418.447.336.60
(WY)199519941994199419961996199419941992199519991995

SUMMARY STATISTICSFOR 1998 CALENDAR YEARFOR 1999 WATER YEARWATER YEARS 1992 - 1999
ANNUAL TOTAL7035.3  6770.9      
ANNUAL MEAN19.3  18.6      15.5  
HIGHEST ANNUAL MEAN18.8  1993
LOWEST ANNUAL MEAN11.3  1994
HIGHEST DAILY MEAN115         May 7128             Apr 23309     Jul 18 1996
LOWEST DAILY MEAN5.9      Jun 254.1          Sep 84.1  A
ANNUAL SEVEN-DAY MINIMUM6.7      Jul 285.5          Sep 24.6  Nov 5 1993
INSTANTANEOUS PEAK FLOW203      B    Jun 13393     Jul 18 1996
INSTANTANEOUS PEAK STAGE10.90 C    Oct 1812.60Jul 18 1996
INSTANTANEOUS LOW FLOW1.9          Sep 19.39Jun 30 1998
ANNUAL RUNOFF (CFSM)2.822.72    2.27
ANNUAL RUNOFF (INCHES)38.3236.88    30.81
10 PERCENT EXCEEDS34     34         28     
50 PERCENT EXCEEDS15     13         11     
90 PERCENT EXCEEDS7.9  6.8      6.3  
A - July 30, Nov. 11, 1993, and Sept. 8, 1999.
B - Gage height, 10.71 ft.
C - Backwater from beaver dam.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data