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 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 0.28 1.5 16  28    e4.9 77  156  43  342  58    5.4 5.4  
2 0.26 8.5 15  28    e5.1 119  135  37  288  49    5.2 3.8  
3 0.28 41    14  28    e5.2 98  120  30  248  46    5.4 2.6  
4 0.30 43    14  27    e5.2 91  106  25  220  163    10    1.6  
5 0.29 58    18  25    e5.2 400  94  21  179  138    12    1.3  
 
6 0.24 44    20  23    e5.2 297  84  18  147  121    9.1 1.3  
7 0.21 37    18  23    e5.1 227  76  16  125  106    7.3 1.1  
8 0.21 32    17  20    e5.0 189  68  14  112  98    6.3 1.0  
9 0.21 27    18  e17    e4.9 172  60  17  108  87    5.7 0.91
10 0.22 23    117  e16    e5.0 160  53  20  255  75    5.2 0.88
 
11 0.29 20    136  e15    e5.2 141  47  32  347  65    4.8 0.81
12 0.34 20    96  e14    e5.1 124  42  54  333  58    4.4 0.85
13 0.30 17    79  e14    e5.0 112  38  119  270  49    4.3 0.88
14 1.5   16    71  e13    e4.9 105  35  202  228  41    4.1 0.90
15 5.2   15    66  e13    e4.8 94  32  218  200  35    4.1 1.1  
 
16 3.7   14    64  e12    e4.7 84  27  151  172  30    4.1 4.1  
17 2.6   13    62  e12    e4.8 78  32  129  152  27    4.1 5.2  
18 2.4   29    56  e11    e4.9 72  42  383  135  24    4.2 3.7  
19 2.1   43    51  e10    e5.2 69  38  267  115  20    4.3 2.7  
20 1.7   34    44  e9.2 6.4 66  33  243  97  15    4.4 1.9  
 
21 1.2   28    43  e8.4 11    62  67  262  121  12    4.6 1.6  
22 1.7   24    43  e7.2 13    56  57  712  152  12    4.6 1.6  
23 2.1   24    40  e6.6 20    52  47  677  134  12    4.6 1.6  
24 2.0   30    37  e6.0 40    65  41  556  140  10    4.6 1.6  
25 2.3   25    34  e5.6 39    90  57  492  137  9.8 4.8 1.5  
 
26 3.3   23    30  e5.3 38    187  58  444  115  8.9 4.9 1.3  
27 3.8   22    29  e5.2 41    162  52  401  98  8.1 6.5 1.2  
28 4.3   21    32  e5.2 45    166  53  347  85  7.4 15    1.1  
29 3.4   19    34  e5.1 50    302  55  301  74  6.8 17    0.96
30 2.4   17    33  e5.0 ---    216  46  320  66  6.3 12    0.79
 
31 2.0   ---    30  e5.0 ---    180  ---  383  ---  6.0 8.0 ---     

TOTAL 51.13 769.0 1377 422.8 398.8 4313 1851 6934 5195 1404.3 201.0 55.28
MEAN 1.65 25.6 44.4 13.6 13.8 139 61.7 224 173 45.3 6.48 1.84
MAX 5.2 58 136 28 50 400 156 712 347 163 17 5.4
MIN 0.21 1.5 14 5.0 4.7 52 27 14 66 6.0 4.1 0.79
CFSM 0.03 0.42 0.73 0.22 0.23 2.28 1.01 3.67 2.84 0.74 0.11 0.03
IN. 0.03 0.47 0.84 0.26 0.24 2.63 1.13 4.23 3.17 0.86 0.12 0.03
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2004, BY WATER YEAR (WY)
MEAN 16.2 37.9 36.6 41.2 69.8 89.7 107 94.8 79.3 29.9 10.0 7.98
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 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1990 - 2004
ANNUAL TOTAL 7174.59   22972.31
ANNUAL MEAN 19.7     62.8   51.5        
HIGHEST ANNUAL MEAN 102            1993
LOWEST ANNUAL MEAN 15.7         2003
HIGHEST DAILY MEAN 136            Dec 11 712          May 22 777            Apr 23 1999
LOWEST DAILY MEAN 0.21       Oct 7,8,9 0.21     Oct 7,8,9 0.03       Sep 11 1991
ANNUAL SEVEN-DAY MINIMUM 0.24       Oct 5 0.24     Oct 5 0.05       Sep 5 1991
MAXIMUM PEAK FLOW 831          May 22 1160        A Apr 23 1999
MAXIMUM PEAK STAGE 11.54     May 22 12.88   B Mar 6 1976
INSTANTANEOUS LOW FLOW 0.21     Oct 7,8,9,10 0.03       C
ANNUAL RUNOFF (CFSM) 0.322 1.03 0.845    
ANNUAL RUNOFF (INCHES) 4.38   14.02 11.48      
10 PERCENT EXCEEDS 49        172      132           
50 PERCENT EXCEEDS 14        23      24           
90 PERCENT EXCEEDS 0.49   1.6   2.1        

A - Gage height, 12.21 ft.

B - Present datum.

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


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data