Station list     Available data
ILLINOIS RIVER BASIN


05551330       MILL CREEK NR BATAVIA, IL



LOCATION.-- Lat 41°50'45", long 88°20'57", in NW1/4NW1/4SE1/4 sec.20, T.39 N., R.8 E., Kane County, Hydrologic Unit 07120007, on left bank at bridge on Deer Path road, 1 mi. west of Batavia, and at mile 2.9.

DRAINAGE AREA.-- 27.6 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: May 1998 to current year.
 

STAGE: Water years 1998-2001.
 

PARTIAL RECORD: Miscellaneous discharge measurements, water year 1998.
PRECIPITATION: October 1999 to current year.

GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 685.00 ft above sea level.

REMARKS.-- Effluent from sewage-treatment plant 5 mi upstream. Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,080 ft3/s, Apr. 23, 1999, gage height, 7.52 ft; minimum discharge, 0.40 ft3/s, Aug. 11, 2001.
PRECIPITATION: Maximum daily total, 2.79 in, September 19, 2001.

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 5 mi upstream averaged 0.34 ft3/s during the year. The maximum average was 0.51 ft3/s in January and the minimum was 0.21 ft3/s in December.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 9.0 2.8 11    e7.7 51  39  19  10    36    6.3 1.3   3.8
2 7.8 3.6 10    e7.6 67  33  19  9.7 55    5.7 1.3   2.9
3 8.0 3.6 9.4 e7.7 42  33  19  9.3 41    6.1 1.7   2.7
4 45    3.0 9.0 e7.8 27  30  17  8.9 31    6.1 1.3   7.2
5 48    3.0 9.2 e8.0 20  27  16  8.9 91    5.2 1.0   6.2
 
6 38    6.3 8.0 e8.2 15  24  35  8.4 85    4.3 .94 5.1
7 26    82    8.6 e8.4 15  23  39  11    50    4.2 .77 9.1
8 20    67    7.7 e8.2 25  22  33  11    35    4.5 .83 7.4
9 15    111    7.4 e8.4 369  20  33  10    28    4.2 .68 8.7
10 13    119    7.6 e8.4 205  20  33  11    22    3.5 .67 11   
 
11 10    64    e8.0 e8.3 92  21  29  25    19    2.9 .62 8.8
12 8.8 43    e7.8 e8.2 57  24  52  21    18    2.7 .61 7.2
13 8.1 34    e7.5 e8.5 47  32  36  15    17    2.7 .60 5.6
14 6.4 29    e7.8 e9.0 54  29  28  12    14    2.4 .47 3.8
15 5.7 25    e7.7 e13    57  42  33  11    15    2.3 .50 2.4
 
16 5.6 22    e7.6 17    47  64  35  9.6 14    2.4 2.0   1.7
17 5.4 19    e7.7 17    48  55  28  8.9 12    2.4 1.4   1.3
18 4.8 17    e7.9 19    59  52  22  8.4 12    3.0 1.3   1.7
19 4.2 15    e8.2 16    31  44  20  7.5 11    2.8 1.7   94   
20 4.2 13    e8.2 13    31  40  21  7.2 10    2.5 1.0   81   
 
21 3.6 12    e8.0 12    31  34  22  11    10    2.4 .82 59   
22 3.5 11    e7.8 11    25  31  20  e9.5 10    3.5 1.0   38   
23 3.3 9.5 e7.7 10    25  28  20  e8.5 9.7 4.0 2.1   38   
24 3.9 9.1 e7.7 9.0 65  27  19  e8.0 9.1 3.0 2.3   57   
25 4.4 9.5 e7.5 8.8 219  24  17  10    8.5 3.6 7.1   34   
 
26 4.5 13    e7.4 9.2 83  23  15  25    8.5 2.9 9.8   22   
27 4.1 14    e7.3 8.7 59  21  13  35    8.9 2.2 9.9   15   
28 3.6 12    e7.2 8.7 48  20  12  26    7.3 2.1 7.7   11   
29 3.3 12    e7.4 13    ---  19  11  19    6.9 2.2 5.5   8.5
30 2.9 12    e7.6 58    ---  19  10  13    6.7 1.9 4.2   6.1
 
31 3.0 ---    e7.8 66    ---  19  ---  14    ---    1.5 3.7   ---   

TOTAL 333.1 796.4 249.7 423.8 1914 939 726 402.8 701.6 105.5 74.81 560.2
MEAN 10.7 26.5 8.05 13.7 68.4 30.3 24.2 13.0 23.4 3.40 2.41 18.7
MAX 48 119 11 66 369 64 52 35 91 6.3 9.9 94
MIN 2.9 2.8 7.2 7.6 15 19 10 7.2 6.7 1.5 .47 1.3
CFSM .39 .96 .29 .49 2.47 1.10 .88 .47 .85 .12 .09 .68
IN. .45 1.07 .34 .57 2.58 1.26 .98 .54 .94 .14 .10 .75
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2001, BY WATER YEAR (WY)
MEAN 21.1 18.0 12.5 22.8 40.2 22.0 45.6 20.3 28.7 19.5 8.51 11.8
MAX 43.8 26.5 19.1 49.1 68.4 30.3 89.5 36.1 42.3 45.8 14.4 18.7
(WY) 1999 2001 1999 1999 2001 2001 1999 1999 1999 1998 2000 2001
MIN 8.80 4.49 8.05 5.82 18.1 9.65 23.1 11.9 23.4 3.40 2.41 5.56
(WY) 2000 2000 2001 2000 2000 2000 2000 2000 2001 2001 2001 1998

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1998 - 2001
ANNUAL TOTAL 5555.5   7226.91
ANNUAL MEAN 15.2   19.8   21.9  
HIGHEST ANNUAL MEAN 32.4   1999
LOWEST ANNUAL MEAN 13.4   2000
HIGHEST DAILY MEAN 149          Apr 20 369          Feb 9 754      Apr 23 1999
LOWEST DAILY MEAN 2.8       Nov 1 .47     Aug 14 .47 Aug 14 2001
ANNUAL SEVEN-DAY MINIMUM 3.1       Oct 30 .59     Aug 9 .59 Aug 9 2001
MAXIMUM PEAK FLOW 530          Feb 9 1080      Apr 23 1999
MAXIMUM PEAK STAGE 6.25     Feb 9 7.52 Apr 23 1999
INSTANTANEOUS LOW FLOW .40     Aug 11 .40 Aug 11 2001
ANNUAL RUNOFF (CFSM) .55 .72 .79
ANNUAL RUNOFF (INCHES) 7.48 9.73 10.76
10 PERCENT EXCEEDS 35      47      46     
50 PERCENT EXCEEDS 8.2   10      10     
90 PERCENT EXCEEDS 4.2   2.4   3.7  



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data