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 1994-2002.
 

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, 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 13    136  43  e13  21  52  30  62  30  9.3 3.9 1.8
2 12    115  40  e13  21  54  33  66  24  7.4 3.8 11   
3 10    100  39  e13  21  51  35  62  24  6.4 2.7 19   
4 10    93  36  e12  18  48  33  55  199  5.8 2.2 12   
5 14    82  35  e12  19  49  32  50  249  4.7 2.0 10   
 
6 13    69  32  e12  19  44  29  50  165  4.4 1.8 11   
7 11    60  30  e12  18  42  34  50  139  4.2 1.8 8.9
8 9.6 54  28  e12  18  91  94  48  121  3.5 1.8 6.8
9 8.8 51  26  e12  21  177  301  48  104  7.0 1.8 5.7
10 8.5 48  24  e11  37  133  227  40  88  6.3 1.8 4.4
 
11 11    43  24  e11  48  127  191  40  88  4.6 1.8 3.9
12 23    36  25  e11  43  118  159  112  90  3.7 1.8 6.0
13 111    33  37  e11  37  110  141  99  77  3.2 3.5 5.6
14 240    34  40  e11  33  101  128  86  69  2.9 15    4.0
15 126    46  35  e12  31  93  113  76  61  2.7 11    2.8
 
16 108    53  33  e12  30  83  99  73  53  2.8 7.6 2.2
17 102    48  35  e11  29  74  88  81  47  2.8 5.3 2.0
18 94    43  32  e11  27  65  86  74  42  2.8 3.8 2.3
19 85    37  33  e12  29  57  139  68  36  4.2 4.1 4.0
20 77    33  34  13  56  53  111  63  31  5.1 5.4 8.2
 
21 68    29  33  13  105  49  97  60  28  4.2 5.2 8.2
22 61    28  31  12  99  43  96  55  24  2.9 21    6.6
23 190    26  31  13  88  41  88  51  21  2.3 25    5.8
24 420    27  28  13  80  37  88  47  19  2.0 17    4.5
25 376    33  25  13  73  32  91  45  17  2.4 11    3.9
 
26 308    30  e22  14  70  29  78  44  16  6.6 7.0 3.2
27 274    28  e20  14  64  27  68  41  14  7.0 5.0 3.1
28 242    26  e19  14  58  26  73  50  13  6.6 4.2 2.9
29 204    26  e18  15  ---  28  68  48  14  5.5 3.3 9.2
30 178    35  e16  14  ---  31  66  42  11  4.3 2.8 14   
 
31 172    ---  e14  17  ---  31  ---  37  ---  3.2 2.2 ---   

TOTAL 3579.9 1502 918 389 1213 1996 2916 1823 1914 140.8 186.6 193.0
MEAN 115.5 50.07 29.61 12.55 43.32 64.39 97.20 58.81 63.80 4.542 6.019 6.433
MAX 420 136 43 17 105 177 301 112 249 9.3 25 19
MIN 8.5 26 14 11 18 26 29 37 11 2.0 1.8 1.8
CFSM 1.89 0.82 0.49 0.21 0.71 1.06 1.59 0.96 1.05 0.07 0.10 0.11
IN. 2.18 0.92 0.56 0.24 0.74 1.22 1.78 1.11 1.17 0.09 0.11 0.12
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2002, BY WATER YEAR (WY)
MEAN 17.66 41.22 38.37 46.28 79.43 92.01 116.9 87.58 76.26 28.39 10.65 9.029
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 6.15 6.59 25.2 22.9 28.5 11.9 3.45 1.00 0.55 0.48
(WY) 1995 2000 1990 2000 1996 1996 1994 1994 1992 1991 1991 1991

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1990 - 2002
ANNUAL TOTAL 22308.4       16771.3  
ANNUAL MEAN 61.12     45.95 53.37
HIGHEST ANNUAL MEAN 102      1993
LOWEST ANNUAL MEAN 29.3   1994
HIGHEST DAILY MEAN 620      A     Feb 9 420          Oct 24 777      Apr 23 1999
LOWEST DAILY MEAN 1.3           Aug 15 1.8       B 0.03 Sep 11 1991
ANNUAL SEVEN-DAY MINIMUM 2.6           Aug 9 1.8       Aug 6 0.05 Sep 5 1991
MAXIMUM PEAK FLOW 581          Oct 24 1160      Apr 23 1999
MAXIMUM PEAK STAGE 10.91     Oct 24 12.21 Apr 23 1999
INSTANTANEOUS LOW FLOW 1.8       B 0.03 C
ANNUAL RUNOFF (CFSM) 1.00     0.75 0.88
ANNUAL RUNOFF (INCHES) 13.61     10.23 11.90
10 PERCENT EXCEEDS 121          104      136     
50 PERCENT EXCEEDS 40          29      26     
90 PERCENT EXCEEDS 5.5       3.8   2.3  

A - Estimated.

B - Several days.

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


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data