Station list     Available data
ILLINOIS RIVER BASIN


05527950       MILL CREEK AT OLD MILL CREEK, IL



LOCATION.-- Lat 42°24'55", long 87°58'09", 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 1995-2001.

 

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 sea level. 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 CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
122   12   45 e20 98 151 60 58 50 12   3.53.9
219   11   44 e20 80 136 56 52 54 9.83.73.5
316   9.042 e20 82 129 52 46 52 9.04.63.0
440   6.640 e20 74 121 49 41 48 8.23.62.9
538   5.536 e20 68 107 47 38 57 6.52.72.7
 
643   6.534 e21 64 94 57 34 83 5.42.52.8
737   53   e30 e22 59 86 56 38 79 9.12.813   
832   52   e27 e23 65 81 52 40 70 9.03.015   
928   132   e26 e23 e620 73 53 37 69 7.32.714   
1024   178   e25 e23 e460 69 55 37 66 6.34.226   
 
1118   127   e23 e23 e360 73 70 88 57 6.83.817   
1214   113   e22 e23 e340 74 132 87 182 6.72.611   
1312   105   e22 e25 e300 78 112 70 147 5.21.98.2
1411   97   e21 e27 229 74 114 118 121 4.21.57.2
159.986   e21 e31 190 96 114 151 109 3.81.36.3
 
168.879   e21 e39 156 120 100 112 103 3.512   5.6
178.074   e21 e43 130 113 88 94 88 8.014   5.1
187.668   e21 e45 166 116 78 79 77 13   8.75.3
197.562   e24 e45 107 112 69 66 68 8.911   43   
207.157   e24 e43 92 104 82 58 60 6.610   38   
 
217.152   e24 e45 80 98 97 56 53 5.47.134   
227.248   e23 48 79 93 118 53 46 5.97.728   
237.743   e22 43 69 89 138 49 38 11   38   33   
248.941   e22 40 84 83 123 45 37 12   20   45   
258.339   e22 38 355 76 110 41 36 9.113   35   
 
2613   46   e21 37 261 70 97 38 32 6.611   27   
2719   48   e21 35 225 64 89 63 26 4.99.123   
2819   45   e20 35 173 64 81 62 21 4.17.519   
2916   43   e20 36 --- 74 69 54 18 3.95.817   
3014   44   e20 85 --- 69 59 46 15 4.24.815   
 
3114   ---   e20 108 --- 61 --- 40 --- 4.24.3---   

TOTAL537.11782.6804110650662848247718911962220.6228.4509.5
MEAN17.359.425.935.718191.982.661.065.47.127.3717.0
MAX4317845108620151138151182133845
MIN7.15.5202059614734153.51.32.7
CFSM.28.97.43.592.971.511.351.001.07.12.12.28
IN..331.09.49.673.091.741.511.151.20.13.14.31

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2001, BY WATER YEAR (WY)
MEAN9.5140.539.149.182.494.311990.077.330.411.09.25
MAX34.112710612618115729724526616844.026.5
(WY)199119931992199320011993199319962000199319902000
MIN1.382.666.156.5925.222.928.511.93.451.00.55.48
(WY)199520001990200019961996199419941992199119911991

SUMMARY STATISTICSFOR 2000 CALENDAR YEARFOR 2001 WATER YEARWATER YEARS 1990 - 2001
ANNUAL TOTAL24644.2  19432.2      
ANNUAL MEAN67.3  53.2      54.0  
HIGHEST ANNUAL MEAN102     1993
LOWEST ANNUAL MEAN29.3  1994
HIGHEST DAILY MEAN707         Jun 13620      A    Feb 9777     Apr 23 1999
LOWEST DAILY MEAN3.5      Jan 11.3          Aug 15.03Sep 11 1991
ANNUAL SEVEN-DAY MINIMUM4.5      Feb 52.6          Aug 9.05Sep 5 1991
MAXIMUM PEAK FLOW724             Feb 91160     Apr 23 1999
MAXIMUM PEAK STAGE11.29        Feb 912.21Apr 23 1999
INSTANTANEOUS LOW FLOW1.2          Aug 15.03B
ANNUAL RUNOFF (CFSM)1.10.87    .89
ANNUAL RUNOFF (INCHES)15.0411.86    12.03
10 PERCENT EXCEEDS163     112         139     
50 PERCENT EXCEEDS28     38         26     
90 PERCENT EXCEEDS6.1  5.5      2.1  

A - Estimated.
B - Sept. 7, 8, 10, 11, 1991.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data