Station list     Available data
ILLINOIS RIVER BASIN


05527950       MILL CREEK AT OLD MILL CREEK, IL

 

LOCATION.-- Lat 42°24'55", long 87°58'09" (NAD of 1927), in SW1/4SE1/4 sec.32, T.46 N., R.11 E., Lake County, Hydrologic Unit 07120004, on right bank at upstream side of bridge on Hunt Club Road, about 0.5 mi southeast of Old Mill Creek, and at mile 2.9.
 

DRAINAGE AREA.-- 61.0 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1989 to current year.
 

STAGE: Water years 1994 to current year.
 

PARTIAL RECORD: Annual maximum, water years 1962 to 1976.

SURFACE-WATER QUALITY
 

MISCELLANEOUS: Contaminants in streambed sediments, water year 2000.
 

REVISED RECORDS.-- WDR IL-77-1: 1962-76(M). WDR IL-91-2: 1990(P). WDR IL-92-2: 1990.
 

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 668.00 ft above NGVD of 1929. Prior to Oct. 1, 1989, at datum 8.85 ft higher.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,160 ft3/s, April 23, 1999, gage height 12.21 ft; maximum gage height, 12.88 ft, present datum, Mar. 6, 1976; minimum discharge, 0.03 ft3/s, Sept. 7, 8, 10, 11, 1991.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: A gage height of 13.73 ft, present datum, discharge unknown, occurred between October 1976 and September 1989, from mark on crest-stage gage.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 11    5.9 e4.9 e5.5 e2.6 2.4 16  36  56    8.1 14      0.51
2 48    5.6 e4.8 e5.5 e2.7 e2.3 15  43  49    6.7 20      0.51
3 39    6.5 e4.8 e5.4 e2.7 e2.3 14  37  44    5.5 15      0.49
4 31    7.0 e4.6 e5.4 e2.8 e2.2 18  34  40    4.8 18      0.45
5 29    7.8 e4.3 e5.5 e2.7 e2.2 33  97  35    6.6 14      0.44
 
6 21    8.3 e4.0 e5.5 e2.6 e2.3 29  87  31    11    12      0.48
7 16    7.9 e3.7 e5.3 e2.6 e2.4 28  74  29    28    11      0.48
8 12    7.6 e3.5 e5.0 e2.4 e2.5 28  68  32    57    9.9   0.51
9 9.8 7.3 e3.3 e4.8 e2.2 e2.5 27  118  35    79    8.5   0.49
10 9.6 7.4 e3.1 e4.6 e2.0 e2.6 37  114  30    58    6.5   0.45
 
11 8.6 7.6 e2.9 e4.3 e1.9 e2.7 36  102  27    50    5.4   0.45
12 7.7 7.9 e2.8 e4.0 e1.8 e2.9 33  101  24    47    4.6   0.46
13 7.0 6.7 e2.9 e3.7 e1.7 e3.0 30  89  23    43    4.0   0.51
14 6.6 5.9 e3.0 e3.4 e1.6 6.7 28  80  21    36    3.5   0.60
15 6.4 6.1 e3.2 e3.2 1.6 13    26  77  19    67    3.5   0.49
 
16 6.2 6.1 e4.2 e3.0 1.7 14    24  69  17    62    3.3   0.37
17 5.8 6.0 6.6 e2.9 1.8 16    22  61  16    48    2.9   0.35
18 5.4 6.0 8.6 e2.8 1.9 15    21  55  15    42    2.2   0.33
19 5.1 7.1 13    e2.6 2.1 13    21  49  28    34    1.7   0.33
20 5.2 7.2 13    e2.4 2.3 17    23  51  25    30    1.4   0.33
 
21 5.2 7.8 11    e2.3 e2.4 19    23  48  20    73    1.2   0.32
22 5.0 11    9.7 e2.2 e2.6 16    22  42  18    61    1.0   0.42
23 4.8 10    9.0 e2.1 3.0 14    20  37  16    44    0.69 0.41
24 5.0 8.3 8.4 e2.0 3.1 13    18  32  15    35    0.67 0.36
25 6.7 7.6 e6.9 e1.8 3.2 19    17  28  13    28    0.72 0.35
 
26 8.4 7.1 e6.2 e1.9 3.0 18    16  25  12    24    0.65 0.42
27 7.4 6.6 e5.8 e2.1 2.8 15    15  23  11    20    0.66 0.55
28 6.9 6.0 e5.6 e2.2 2.5 16    14  23  10    17    0.64 0.45
29 7.0 e5.6 e5.5 e2.3 ---    21    14  31  10    14    0.58 0.41
30 6.6 e5.0 e5.5 e2.4 ---    18    15  33  9.5 12    0.58 0.28
 
31 6.2 ---    e5.4 e2.5 ---    16    ---  68  ---    11    0.57 ---     

TOTAL 359.6 212.9 180.2 108.6 66.3 312.0 683 1832 730.5 1062.7 169.36 13.00
MEAN 11.6 7.10 5.81 3.50 2.37 10.1 22.8 59.1 24.4 34.3 5.46 0.43
MAX 48 11 13 5.5 3.2 21 37 118 56 79 20 0.60
MIN 4.8 5.0 2.8 1.8 1.6 2.2 14 23 9.5 4.8 0.57 0.28
CFSM 0.19 0.12 0.10 0.06 0.04 0.17 0.37 0.97 0.40 0.56 0.09 0.01
IN. 0.22 0.13 0.11 0.07 0.04 0.19 0.42 1.12 0.45 0.65 0.10 0.01
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2003, BY WATER YEAR (WY)
MEAN 17.2 38.8 36.0 43.2 74.0 86.2 110 85.5 72.5 28.8 10.3 8.41
MAX 115 127 106 126 181 157 297 245 266 168 44.0 26.5
(WY) 2002 1993 1992 1993 2001 1993 1993 1996 2000 1993 1990 2000
MIN 1.38 2.66 5.81 3.50 2.37 10.1 22.8 11.9 3.45 1.00 0.55 0.43
(WY) 1995 2000 2003 2003 2003 2003 2003 1994 1992 1991 1991 2003

SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1990 - 2003
ANNUAL TOTAL 11524.1   5730.16
ANNUAL MEAN 31.6   15.7   50.7      
HIGHEST ANNUAL MEAN 102          1993
LOWEST ANNUAL MEAN 15.7       2003
HIGHEST DAILY MEAN 301          Apr 9 118          May 9 777          Apr 23 1999
LOWEST DAILY MEAN 1.8       A 0.28     Sep 30 0.03     Sep 11 1991
ANNUAL SEVEN-DAY MINIMUM 1.8       Aug 6 0.35     Sep 16 0.05     Sep 5 1991
MAXIMUM PEAK FLOW 138          May 9 1160      B Apr 23 1999
MAXIMUM PEAK STAGE 8.91     May 9 12.88 C Mar 6 1976
INSTANTANEOUS LOW FLOW 0.26     Sep 30 0.03     D
ANNUAL RUNOFF (CFSM) 0.52 0.26 0.83    
ANNUAL RUNOFF (INCHES) 7.03 3.50 11.30    
10 PERCENT EXCEEDS 88      42      130         
50 PERCENT EXCEEDS 12      7.0   24         
90 PERCENT EXCEEDS 3.2   0.67 2.2      

A - Several days.

B - Gage height, 12.21 ft.

C - Present datum.

D - Sept. 7, 8, 10, 11, 1991.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data