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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
113   136 43 e13 21 52 30 62 30 9.33.91.8
212   115 40 e13 21 54 33 66 24 7.43.811   
310   100 39 e13 21 51 35 62 24 6.42.719   
410   93 36 e12 18 48 33 55 199 5.82.212   
514   82 35 e12 19 49 32 50 249 4.72.010   
 
613   69 32 e12 19 44 29 50 165 4.41.811   
711   60 30 e12 18 42 34 50 139 4.21.88.9
89.654 28 e12 18 91 94 48 121 3.51.86.8
98.851 26 e12 21 177 301 48 104 7.01.85.7
108.548 24 e11 37 133 227 40 88 6.31.84.4
 
1111   43 24 e11 48 127 191 40 88 4.61.83.9
1223   36 25 e11 43 118 159 112 90 3.71.86.0
13111   33 37 e11 37 110 141 99 77 3.23.55.6
14240   34 40 e11 33 101 128 86 69 2.915   4.0
15126   46 35 e12 31 93 113 76 61 2.711   2.8
 
16108   53 33 e12 30 83 99 73 53 2.87.62.2
17102   48 35 e11 29 74 88 81 47 2.85.32.0
1894   43 32 e11 27 65 86 74 42 2.83.82.3
1985   37 33 e12 29 57 139 68 36 4.24.14.0
2077   33 34 13 56 53 111 63 31 5.15.48.2
 
2168   29 33 13 105 49 97 60 28 4.25.28.2
2261   28 31 12 99 43 96 55 24 2.921   6.6
23190   26 31 13 88 41 88 51 21 2.325   5.8
24420   27 28 13 80 37 88 47 19 2.017   4.5
25376   33 25 13 73 32 91 45 17 2.411   3.9
 
26308   30 e22 14 70 29 78 44 16 6.67.03.2
27274   28 e20 14 64 27 68 41 14 7.05.03.1
28242   26 e19 14 58 26 73 50 13 6.64.22.9
29204   26 e18 15 --- 28 68 48 14 5.53.39.2
30178   35 e16 14 --- 31 66 42 11 4.32.814   
 
31172   --- e14 17 --- 31 --- 37 --- 3.22.2---   

TOTAL3579.9150291838912131996291618231914140.8186.6193.0
MEAN115.550.0729.6112.5543.3264.3997.2058.8163.804.5426.0196.433
MAX42013643171051773011122499.32519
MIN8.526141118262937112.01.81.8
CFSM1.890.820.490.210.711.061.590.961.050.070.100.11
IN.2.180.920.560.240.741.221.781.111.170.090.110.12

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 2002, BY WATER YEAR (WY)
MEAN17.6641.2238.3746.2879.4392.01116.987.5876.2628.3910.659.029
MAX11512710612618115729724526616844.026.5
(WY)200219931992199320011993199319962000199319902000
MIN1.382.666.156.5925.222.928.511.93.451.000.550.48
(WY)199520001990200019961996199419941992199119911991

SUMMARY STATISTICSFOR 2001 CALENDAR YEARFOR 2002 WATER YEARWATER YEARS 1990 - 2002
ANNUAL TOTAL22308.4      16771.3  
ANNUAL MEAN61.12    45.9553.37
HIGHEST ANNUAL MEAN102     1993
LOWEST ANNUAL MEAN29.3  1994
HIGHEST DAILY MEAN620      A    Feb 9420         Oct 24777     Apr 23 1999
LOWEST DAILY MEAN1.3          Aug 151.8      B0.03Sep 11 1991
ANNUAL SEVEN-DAY MINIMUM2.6          Aug 91.8      Aug 60.05Sep 5 1991
MAXIMUM PEAK FLOW581         Oct 241160     Apr 23 1999
MAXIMUM PEAK STAGE10.91    Oct 2412.21Apr 23 1999
INSTANTANEOUS LOW FLOW1.8      B0.03C
ANNUAL RUNOFF (CFSM)1.00    0.750.88
ANNUAL RUNOFF (INCHES)13.61    10.2311.90
10 PERCENT EXCEEDS121         104     136     
50 PERCENT EXCEEDS40         29     26     
90 PERCENT EXCEEDS5.5      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