Station list     Available data
ILLINOIS RIVER BASIN


05533400       SAWMILL CREEK NEAR LEMONT, IL

 

LOCATION.-- Lat 41°42'28", long 87°57'46" (NAD of 1983), 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 to current year.
 

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

SURFACE-WATER QUALITY
 

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

PRECIPITATION: April 1986 to current year.

BIOLOGICAL
 

ALGAE: Water year 2000.
 

BENTHIC MACROINVERTEBRATES: Water year 2000.
 

FISH: Water year 2001.
 

HABITAT: Water year 2000-01.
 

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 (629.71 ft NAVD 1988). 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, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 0.14 31      35    17    2.5 15    39    1.4   0.39 0.88 0.10 0.00
2 5.8   19      14    83    2.3 8.4 55    1.5   0.30 0.23 0.01 0.00
3 1.5   5.0   8.5 59    2.5 6.3 25    1.4   0.32 0.08 0.00 0.00
4 0.90 23      6.0 39    4.6 5.2 13    1.2   7.1   0.02 0.00 0.00
5 0.69 6.9   4.8 23    13    6.2 8.5 1.4   5.2   0.00 0.00 0.00
 
6 0.63 3.2   13    17    12    5.3 7.2 1.1   1.4   0.00 0.00 0.00
7 0.95 2.3   92    11    36    6.6 6.5 1.2   0.96 0.00 0.00 0.00
8 3.8   1.8   41    8.0 28    4.8 5.2 1.1   0.50 0.00 0.00 0.00
9 2.3   1.4   20    6.5 14    3.8 4.0 1.4   0.30 0.00 0.00 0.00
10 1.3   1.3   9.5 6.5 8.5 4.0 3.5 1.9   0.27 0.00 0.00 0.00
 
11 1.1   1.3   7.1 17    6.5 4.8 2.9 3.6   0.26 0.00 3.4   0.00
12 1.0   1.2   4.9 113    5.7 4.6 32    3.5   0.23 0.00 1.4   0.00
13 1.0   1.1   3.6 269    24    3.7 25    2.3   0.21 0.00 0.77 0.00
14 1.4   0.99 2.9 62    89    3.3 9.9 1.6   0.26 0.00 0.71 0.00
15 1.3   0.96 2.8 40    57    3.1 5.8 1.4   0.29 0.00 0.23 0.00
 
16 1.3   1.0   3.0 26    46    3.0 4.3 1.1   0.23 0.00 0.16 1.2  
17 0.93 1.1   2.8 22    22    3.2 3.5 0.97 0.10 0.00 0.05 0.34
18 0.80 1.2   2.8 7.8 11    3.2 3.0 0.91 0.07 0.00 0.02 0.06
19 0.79 12      2.4 4.9 7.7 3.8 2.8 22      0.04 0.00 0.37 4.0  
20 0.77 4.7   e2.2 4.3 18    3.4 2.3 7.8   0.01 0.93 1.6   1.3  
 
21 0.85 2.6   e2.0 3.8 22    3.0 2.0 3.3   0.00 0.93 0.48 0.61
22 0.80 2.1   e1.8 4.1 12    2.8 20    2.1   0.00 0.17 0.13 0.16
23 22      1.8   e1.8 3.8 8.2 3.3 8.2 1.5   0.00 0.08 0.16 0.79
24 4.8   3.3   e1.7 3.7 6.7 2.9 4.3 1.2   0.00 0.00 0.12 2.7  
25 2.4   11      e1.6 4.4 5.6 23    3.0 1.1   0.00 1.7   0.02 1.9  
 
26 1.5   7.1   e1.5 4.3 4.8 17    2.5 0.90 0.00 15      0.00 1.1  
27 1.2   56      1.5 3.2 4.3 8.9 2.2 0.75 0.00 11      0.00 0.82
28 0.98 34      1.6 3.0 30    6.7 1.8 1.0   0.00 1.6   0.00 6.5  
29 1.7   13      1.6 2.8 ---    5.5 1.6 0.60 0.00 0.75 0.00 4.0  
30 1.2   16      2.0 2.6 ---    65    1.5 0.44 4.7   0.23 0.00 1.3  
 
31 1.0   ---      3.5 2.6 ---    78    ---    0.52 ---      0.22 0.00 ---     

TOTAL 66.83 267.35 298.9 874.3 503.9 317.8 305.5 72.19 23.14 33.82 9.73 26.78
MEAN 2.16 8.91 9.64 28.2 18.0 10.3 10.2 2.33 0.77 1.09 0.31 0.89
MAX 22 56 92 269 89 78 55 22 7.1 15 3.4 6.5
MIN 0.14 0.96 1.5 2.6 2.3 2.8 1.5 0.44 0.00 0.00 0.00 0.00
CFSM 0.17 0.69 0.74 2.17 1.38 0.79 0.78 0.18 0.06 0.08 0.02 0.07
IN. 0.19 0.77 0.86 2.50 1.44 0.91 0.87 0.21 0.07 0.10 0.03 0.08
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2005, BY WATER YEAR (WY)
MEAN 6.41 11.6 8.51 11.0 13.4 14.5 16.5 16.2 11.4 9.58 8.68 6.28
MAX 24.7 37.4 28.7 30.6 54.5 28.1 53.4 49.3 57.6 58.6 28.2 20.6
(WY) 2002 1991 1988 1993 1997 2004 1999 1990 1993 1996 1998 1989
MIN 1.11 0.68 0.22 0.17 0.16 3.54 4.88 1.25 0.77 0.14 0.31 0.10
(WY) 1993 2003 2003 2003 2003 2000 2004 1992 2005 1991 2005 1995

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1986 - 2005
ANNUAL TOTAL 3569.88   2800.24  
ANNUAL MEAN 9.75   7.67   11.0    
HIGHEST ANNUAL MEAN 17.9     1993
LOWEST ANNUAL MEAN 5.39   2003
HIGHEST DAILY MEAN 259            Aug 28 269            Jan 13 1220        Jul 18 1996
LOWEST DAILY MEAN 0.00       Sep 29,30 0.00       A 0.00   B
ANNUAL SEVEN-DAY MINIMUM 0.45       Aug 12 0.00       Jun 21 0.00   Jul 24 1991
MAXIMUM PEAK FLOW 522            Jan 13 3070        Jul 18 1996
MAXIMUM PEAK STAGE 12.42       Jan 13 17.53   Jul 18 1996
ANNUAL RUNOFF (CFSM) 0.750 0.590 0.846
ANNUAL RUNOFF (INCHES) 10.22   8.01   11.50  
10 PERCENT EXCEEDS 23        21        24       
50 PERCENT EXCEEDS 2.4     1.9     3.4    
90 PERCENT EXCEEDS 0.90   0.00   0.24  

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