Station list     Available data
ILLINOIS RIVER BASIN


05540275       SPRING BROOK AT 87TH STREET NEAR NAPERVILLE, IL

 

LOCATION.-- Lat 41°43'33", long 88°09'49" (NAD of 1927), in SW1/4SW1/4 sec.36, T.38 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on right bank at upstream side of bridge on 87th Street, 3.0 mi south of Naperville, and at mile 2.9.
 

DRAINAGE AREA.-- 9.90 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1987 to current year.
 

STAGE: Water years 1994-2002.

SURFACE-WATER QUALITY
 

CHEMICAL: October 1987 to current year.
 

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 647.00 ft above NGVD of 1929.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,750 ft3/s, July 18, 1996, gage height, 10.77 ft; no flow, Oct. 11, 1988.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 8.5 12    12    4.1 5.0 7.8 7.6 17    5.2 3.3 2.4 2.3  
2 4.7 9.8 11    3.8 5.9 8.7 14    17    4.8 3.0 2.4 1.4  
3 3.4 8.2 8.5 3.8 4.8 9.7 13    13    4.8 2.4 2.0 1.2  
4 4.9 6.8 7.1 3.8 5.1 e10    11    8.0 32    3.0 1.9 1.2  
5 48    5.6 6.1 3.2 5.2 8.3 7.4 8.1 61    2.5 5.0 0.88
 
6 35    5.1 5.2 3.1 3.8 7.9 6.1 6.8 35    2.1 4.7 0.88
7 26    5.0 4.5 e2.8 3.3 15    9.5 6.3 24    2.5 3.9 0.84
8 20    4.6 4.2 e2.6 3.2 48    39    5.4 20    2.1 3.1 0.87
9 17    3.7 3.9 2.4 4.5 89    78    7.4 16    15    2.8 0.64
10 15    3.5 3.7 e2.1 15    62    54    5.9 17    9.5 2.4 0.84
 
11 16    3.0 3.4 e2.0 15    37    39    42    24    7.3 2.2 0.61
12 23    3.4 3.4 e2.0 13    27    28    207    16    7.1 2.3 0.48
13 134    5.0 7.9 1.9 12    22    19    94    11    6.2 4.7 0.35
14 359    4.9 7.3 1.9 11    18    13    43    11    5.5 11    0.15
15 148    4.5 6.2 e2.0 9.8 17    12    30    13    4.9 7.5 0.13
 
16 81    4.0 5.8 e2.0 8.8 14    9.9 35    9.7 4.3 7.6 0.66
17 42    5.0 8.1 e2.0 7.6 12    9.6 38    7.0 3.4 6.6 0.42
18 26    3.6 7.8 e2.0 6.6 11    8.3 30    6.1 3.8 5.5 0.58
19 20    3.2 7.4 e1.9 12    9.2 7.1 27    5.1 5.7 5.6 0.44
20 18    3.1 6.8 1.9 35    8.4 28    21    4.8 3.6 5.2 1.3  
 
21 16    2.8 6.1 1.9 29    7.2 30    17    4.6 3.0 4.3 1.7  
22 15    2.6 6.0 2.1 23    6.0 26    14    4.2 2.5 22    1.8  
23 45    3.4 6.3 e2.2 19    5.7 19    11    4.0 2.3 31    1.8  
24 38    3.7 5.4 e2.2 16    5.2 20    10    3.5 1.9 34    1.5  
25 40    6.2 5.7 e2.2 14    4.8 23    9.6 3.5 1.9 18    1.6  
 
26 30    5.5 4.8 e2.1 13    4.5 17    8.8 4.3 2.1 12    1.2  
27 26    4.8 4.4 e2.1 11    4.2 24    7.9 4.0 3.0 9.8 1.1  
28 21    4.0 4.1 e2.0 e9.1 4.1 41    7.2 3.6 2.3 5.7 0.94
29 18    5.4 4.1 e2.0 ---    7.0 24    6.4 3.3 3.0 4.3 1.0  
30 16    13    3.9 e2.3 ---    9.9 19    5.6 3.0 3.2 3.5 1.6  
 
31 14    ---    4.0 5.1 ---    7.7 ---    5.3 ---    2.8 3.0 ---     

TOTAL 1328.5 155.4 185.1 77.5 320.7 508.3 656.5 764.7 365.5 125.2 236.4 30.41
MEAN 42.85 5.180 5.971 2.500 11.45 16.40 21.88 24.67 12.18 4.039 7.626 1.014
MAX 359 13 12 5.1 35 89 78 207 61 15 34 2.3
MIN 3.4 2.6 3.4 1.9 3.2 4.1 6.1 5.3 3.0 1.9 1.9 0.13
CFSM 4.33 0.52 0.60 0.25 1.16 1.66 2.21 2.49 1.23 0.41 0.77 0.10
IN. 4.99 0.58 0.70 0.29 1.21 1.91 2.47 2.87 1.37 0.47 0.89 0.11
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1988 - 2002, BY WATER YEAR (WY)
MEAN 7.268 9.992 8.130 10.98 12.91 13.13 17.67 15.36 12.61 11.22 6.531 5.713
MAX 42.9 20.1 22.6 30.7 44.3 26.1 34.0 46.3 31.3 78.1 27.6 18.2
(WY) 2002 1993 1988 1993 1997 1990 1993 1990 1993 1996 1998 2001
MIN 0.70 0.58 0.69 2.34 3.22 2.36 4.03 1.57 0.78 0.39 0.22 0.36
(WY) 1993 2000 1990 2000 1996 2000 1989 1989 1988 1988 1991 1988

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1988 - 2002
ANNUAL TOTAL 5160.56 4754.21
ANNUAL MEAN 14.14 13.03 10.94
HIGHEST ANNUAL MEAN 15.7   1993
LOWEST ANNUAL MEAN 6.40 1994
HIGHEST DAILY MEAN 359          Oct 14 359          Oct 14 1370      Jul 18 1996
LOWEST DAILY MEAN 0.31     Jul 15,16 0.13     Sep 15 0.00 A
ANNUAL SEVEN-DAY MINIMUM 0.35     Jul 14 0.39     Sep 13 0.05 Oct 9 1988
MAXIMUM PEAK FLOW 538          Oct 14 1750      Jul 18 1996
MAXIMUM PEAK STAGE 7.77     Oct 14 10.77 Jul 18 1996
INSTANTANEOUS LOW FLOW 0.00     Sep 15
ANNUAL RUNOFF (CFSM) 1.43 1.32 1.10
ANNUAL RUNOFF (INCHES) 19.39 17.86 15.01
10 PERCENT EXCEEDS 31      28      27     
50 PERCENT EXCEEDS 6.8   5.8   5.3  
90 PERCENT EXCEEDS 1.6   1.9   0.80

A - Oct. 11, 1988 and Sept. 15, 2002.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data