Station list     Available data
ILLINOIS RIVER BASIN


05547755       SQUAW CREEK AT ROUND LAKE, IL

 

LOCATION.-- Lat 42°20'59", long 88°05'18" (NAD of 1983), in SW1/4NE1/4 sec.29, T.45 N., R.10 E., Lake County, Hydrologic Unit 07120006, on left bank at upstream side of bridge on MacGillis Road at Round Lake, and at mile 7.5.
 

DRAINAGE AREA.-- 17.2 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1989 to current year.
 

STAGE: Water years 1994 to current year.
 

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 764.94 ft above NGVD of 1929 (764.71 ft NAVD 1988).
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 312 ft3/s, July 18, 1993, from rating curve extended above 120 ft3/s on basis of slope-area measurement of peak flow, gage height, 6.42 ft; no flow at times in 1991, 1994, 1998 and 2005.
 

REMARKS FOR CURRENT YEAR.-- Records good 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 0.52 2.8 5.1 3.6 e2.3 17  20    4.5 2.6   0.27 0.22 0.12
2 0.61 3.5 4.3 4.2 e2.2 15  43    4.5 2.5   0.21 0.15 0.08
3 0.34 3.0 3.7 4.0 e3.2 14  34    4.3 2.4   0.22 0.14 0.08
4 0.44 3.5 3.5 3.6 e7.0 13  28    4.2 2.8   1.1   0.10 0.05
5 1.5   3.5 3.6 3.5 11    14  24    3.9 2.8   2.5   0.06 0.08
 
6 1.7   3.2 6.0 e3.4 20    19  21    3.4 2.5   2.9   0.05 0.07
7 1.3   2.8 17    e3.3 42    24  19    3.4 2.1   1.6   0.08 0.10
8 1.2   2.6 24    e3.2 44    24  17    3.2 1.9   1.1   0.05 0.10
9 0.70 2.4 16    3.2 35    22  15    3.6 1.8   0.66 0.08 0.09
10 0.57 2.1 12    3.1 27    19  13    3.8 1.8   0.52 0.13 0.11
 
11 0.53 1.8 10    3.5 22    18  12    6.4 1.8   0.37 1.7   0.06
12 0.49 1.8 9.4 20    21    17  13    9.8 1.7   0.31 3.7   0.00
13 0.47 1.8 7.2 86    25    15  16    16    1.6   0.26 1.1   0.00
14 0.49 1.9 5.9 28    65    13  15    19    1.3   0.29 0.69 0.34
15 0.70 1.8 4.4 e15    66    12  13    14    1.2   0.27 0.41 0.13
 
16 0.64 2.1 3.7 e13    50    12  12    11    1.0   0.19 0.42 0.61
17 0.55 2.2 3.3 e9.8 32    13  11    8.1 0.69 0.21 0.22 0.45
18 0.54 2.2 3.1 e8.0 23    14  9.6 7.7 0.62 0.15 2.7   0.31
19 0.56 3.3 e2.9 e6.5 25    19  8.3 12    0.61 0.06 2.7   1.5  
20 0.60 3.6 e2.8 e5.4 24    19  7.7 22    0.53 2.5   3.3   0.87
 
21 0.61 3.3 e2.7 e4.6 22    17  7.0 18    0.45 1.9   2.3   0.47
22 0.58 3.0 2.6 e4.2 21    16  7.0 13    0.36 1.0   1.6   1.7  
23 2.1   2.9 e2.6 e4.0 20    15  7.8 9.4 0.38 0.82 1.1   1.1  
24 1.6   2.8 e2.5 e4.0 19    14  8.2 7.3 0.33 0.93 0.69 1.2  
25 1.3   3.1 e2.5 e3.9 18    15  7.3 6.5 0.24 0.46 0.46 1.9  
 
26 1.1   3.1 e2.4 e3.6 16    14  6.7 5.5 0.28 0.99 0.39 2.9  
27 1.3   4.8 e2.4 e3.3 16    14  6.2 4.6 0.43 0.87 0.38 1.9  
28 1.3   6.1 e2.4 e3.0 19    13  5.6 3.8 0.36 0.73 0.22 1.7  
29 1.9   5.2 e2.4 e2.9 ---    13  5.2 3.3 0.32 0.53 0.20 1.5  
30 1.9   4.3 e2.4 e2.6 ---    16  4.7 3.1 0.25 0.38 0.20 1.2  
 
31 1.8   ---    e2.9 e2.4 ---    18  ---    2.8 ---      0.34 0.14 ---     

TOTAL 29.94 90.5 175.7 268.8 697.7 498 417.3 242.1 37.65 24.64 25.68 20.72
MEAN 0.97 3.02 5.67 8.67 24.9 16.1 13.9 7.81 1.25 0.79 0.83 0.69
MAX 2.1 6.1 24 86 66 24 43 22 2.8 2.9 3.7 2.9
MIN 0.34 1.8 2.4 2.4 2.2 12 4.7 2.8 0.24 0.06 0.05 0.00
CFSM 0.06 0.18 0.33 0.51 1.47 0.94 0.82 0.46 0.07 0.05 0.05 0.04
IN. 0.07 0.20 0.38 0.59 1.53 1.09 0.91 0.53 0.08 0.05 0.06 0.05
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2005, BY WATER YEAR (WY)
MEAN 5.94 11.2 10.2 12.2 22.3 25.1 28.6 27.8 18.3 9.42 2.38 2.91
MAX 52.5 33.6 26.6 40.2 55.4 45.8 79.4 99.6 74.4 54.0 7.60 12.9
(WY) 2002 1993 1992 1999 2001 1990 1993 1996 1996 1993 1990 1992
MIN 0.40 0.92 0.98 0.74 0.45 2.12 7.76 3.36 0.76 0.44 0.19 0.11
(WY) 1995 2003 1990 2003 2003 2003 2003 1994 1992 1991 1991 1994

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1990 - 2005
ANNUAL TOTAL 5841.18   2528.73  
ANNUAL MEAN 16.0     6.93   14.6        
HIGHEST ANNUAL MEAN 27.6         1993
LOWEST ANNUAL MEAN 5.61       2003
HIGHEST DAILY MEAN 183            May 23 86            Jan 13 284            May 21 1996
LOWEST DAILY MEAN 0.27       Aug 23 0.00       Sep 12,13 0.00       A
ANNUAL SEVEN-DAY MINIMUM 0.40       Sep 27 0.07       Sep 7 0.00       Sep 10 1994
MAXIMUM PEAK FLOW 102            Jan 13 312        B Jul 18 1993
MAXIMUM PEAK STAGE 3.64       Jan 13 6.42       Jul 18 1993
ANNUAL RUNOFF (CFSM) 0.939 0.408 0.861    
ANNUAL RUNOFF (INCHES) 12.78   5.53   11.70      
10 PERCENT EXCEEDS 48        19        36           
50 PERCENT EXCEEDS 3.9     2.9     5.7        
90 PERCENT EXCEEDS 0.61   0.25   0.54      

A - No flow at times in 1991, 1994, 1998 and 2005.

B - From rating curve extended above 120 ft3/s on basis of slope-area measurement of peak flow.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data