Station list     Available data
ILLINOIS RIVER BASIN


05533400       SAWMILL CREEK NEAR LEMONT, IL

 

LOCATION.-- Lat 41°42'28", long 87°57'47" (NAD of 1927), in NE1/4SW1/4 sec.10, T.37 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on concrete abutment on right bank, 50 ft upstream from bridge on Bluff Road at south edge of Argonne National Laboratory, 2.5 mi northeast of Lemont, and at mile 1.
 

DRAINAGE AREA.-- 13.0 mi2
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: December 1985 to current year.
 

STAGE: Water years 1994-2002.
 

PARTIAL RECORD: Annual maximum, water years 1961-79.

PRECIPITATION: April 1986 to current year.

SURFACE-WATER QUALITY
 

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

BIOLOGICAL
 

BENTHIC MACROINVERTEBRATES: Water year 2000.
 

FISH: Water year 2001.
 

HABITAT: Water year 2000.
 

REVISED RECORDS.-- WDR IL-77-1: 1961-76(M).
 

GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 630.00 ft above NGVD of 1929. Oct. 11, 1961, to Sept. 30, 1976, crest-stage gage on bridge 50 ft downstream at datum 11.22 ft higher.
 

REMARKS.-- For precipitation records, snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,070 ft3/s, July 18,1996, gage height, 17.53 ft; no flow at times in most years.

PRECIPITATION: Maximum daily total, 6.17 in., July 17, 1996.
 

REMARKS FOR CURRENT YEAR.-- Records fair 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 1.0   4.3 8.4 1.5 10    5.1 7.4 9.5 e2.4   0.05 0.00 0.19
2 1.0   4.5 5.4 1.4 7.5 8.2 28    14    e2.3   0.00 0.00 0.68
3 0.98 3.1 4.5 1.2 5.8 12    16    7.4 2.4   0.00 0.00 0.91
4 11      2.5 3.9 1.1 5.2 10    9.7 6.0 34      7.9   9.0   0.09
5 68      2.2 3.4 1.3 4.4 6.8 7.6 4.5 20      4.3   33      0.00
 
6 16      2.1 3.3 1.5 3.5 16    5.8 12    7.0   1.5   6.0   0.00
7 6.8   2.1 2.7 1.4 3.9 33    19    7.6 4.1   1.0   1.9   0.00
8 4.9   1.7 2.3 1.2 5.7 97    99    7.1 2.8   0.60 0.95 4.0  
9 3.8   1.6 2.0 1.6 17    88    104    22    2.1   57      0.40 3.2  
10 e3.0   1.8 1.9 1.6 35    42    41    8.1 7.9   11      0.11 0.77
 
11 e2.5   1.6 1.7 1.7 19    25    25    161    23      3.4   0.00 0.51
12 e40      1.7 1.8 1.7 12    17    18    383    7.8   1.8   0.00 0.02
13 e100      1.6 8.9 1.7 9.6 11    12    74    6.6   1.1   3.1   0.00
14 e200      4.1 6.2 e1.7 8.0 11    10    39    24      0.57 3.1   0.00
15 e60      2.9 5.2 e1.7 8.6 11    8.0 21    9.2   0.39 0.61 0.03
 
16 e30      2.2 4.2 e1.6 9.1 8.3 6.6 40    3.5   0.42 0.30 0.05
17 15      1.8 10    e1.9 7.0 6.3 9.7 35    2.3   0.04 0.05 0.02
18 8.1   2.0 6.1 e1.8 5.8 5.7 6.2 19    1.7   0.00 0.00 11     
19 5.9   3.1 6.1 e1.9 23    5.7 5.6 11    1.3   0.00 1.1   7.2  
20 7.0   2.6 5.0 e2.1 59    5.6 55    8.3 1.2   0.00 0.95 8.2  
 
21 6.3   2.0 3.9 2.6 38    4.5 32    6.9 0.91 0.00 0.06 3.5  
22 4.9   1.7 4.5 3.2 22    3.6 19    5.3 0.72 0.00 90      4.1  
23 52      1.5 7.2 6.0 13    3.4 12    4.2 0.46 0.00 70      1.9  
24 42      2.7 4.5 5.3 9.8 3.1 23    7.5 0.26 0.00 34      1.6  
25 31      8.5 3.5 4.4 8.0 3.0 23    12    1.0   0.00 13      0.74
 
26 14      4.2 3.1 3.7 8.1 3.8 10    6.0 1.2   0.00 5.0   0.18
27 8.7   4.3 2.9 3.5 7.3 4.0 34    4.3 0.63 1.8   3.2   0.18
28 6.6   2.9 2.7 3.3 6.1 3.7 46    3.6 0.23 0.80 2.3   1.6  
29 5.4   5.6 2.4 2.9 ---    17    21    3.2 0.09 0.10 1.5   3.7  
30 4.4   21    1.8 4.2 ---    12    13    2.6 0.09 0.10 1.0   1.7  
 
31 4.0   ---    1.7 7.2 ---    8.3 ---    e2.5 ---      0.03 0.69 ---     

TOTAL 764.28 103.9 131.2 77.9 371.4 491.1 726.6 947.6 171.19 93.90 281.32 56.07
MEAN 24.65 3.463 4.232 2.513 13.26 15.84 24.22 30.57 5.706 3.029 9.075 1.869
MAX 200 21 10 7.2 59 97 104 383 34 57 90 11
MIN 0.98 1.5 1.7 1.1 3.5 3.0 5.6 2.5 0.09 0.00 0.00 0.00
CFSM 1.90 0.27 0.33 0.19 1.02 1.22 1.86 2.35 0.44 0.23 0.70 0.14
IN. 2.19 0.30 0.38 0.22 1.06 1.41 2.08 2.71 0.49 0.27 0.81 0.16
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2002, BY WATER YEAR (WY)
MEAN 7.253 11.68 8.855 11.17 14.38 14.56 18.00 16.45 12.31 10.27 8.857 7.090
MAX 24.7 37.4 28.7 30.6 54.5 27.7 53.4 49.3 57.6 58.6 28.2 20.6
(WY) 2002 1991 1988 1993 1997 1990 1999 1990 1993 1996 1998 1989
MIN 1.11 0.86 1.03 2.37 2.08 3.54 5.30 1.25 1.02 0.14 0.50 0.095
(WY) 1993 2000 1996 2000 1993 2000 1989 1992 1992 1991 1991 1995

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1986 - 2002
ANNUAL TOTAL 4277.05 4216.46    
ANNUAL MEAN 11.72 11.55     11.56    
HIGHEST ANNUAL MEAN 17.9       1993
LOWEST ANNUAL MEAN 7.58     1994
HIGHEST DAILY MEAN 265          Feb 9 383              May 12 1220          Jul 18 1996
LOWEST DAILY MEAN 0.03     Jul 16,17,20 0.00 A 0.00 B
ANNUAL SEVEN-DAY MINIMUM 0.04     Jul 14 0.00         Jul 18 0.00     Jul 24 1991
MAXIMUM PEAK FLOW 1060              May 12 3070          Jul 18 1996
MAXIMUM PEAK STAGE 13.97         May 12 17.53     Jul 18 1996
ANNUAL RUNOFF (CFSM) 0.90 0.89     0.89    
ANNUAL RUNOFF (INCHES) 12.24 12.07     12.08    
10 PERCENT EXCEEDS 28      26          25         
50 PERCENT EXCEEDS 4.9   4.1       3.7      
90 PERCENT EXCEEDS 1.6   0.11     0.38    

A - Many days.

B - At times in most years.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data