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 1998-2000.
 

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.
PRECIPITATION: Maximum daily total, 1.98 in, September 11, 2000.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 5 mi upstream averaged 0.3 ft3/s during the year. The maximum average was 0.6 ft3/s in April, and the minimum was 0.2 ft3/s in November.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 24    e5.0 e4.3 e5.8 e4.3 20    5.5 7.8 35    17    58    5.4
2 14    e4.8 e4.6 e6.8 e4.5 17    5.8 7.0 45    16    38    7.8
3 15    e4.7 e6.0 e7.6 e4.7 14    5.5 6.0 28    73    24    6.7
4 30    e5.0 19    e6.8 e4.8 13    4.7 5.4 19    51    16    8.8
5 20    e4.8 50    e6.5 e5.0 12    4.2 4.5 18    35    15    8.0
 
6 14    e4.7 57    e6.0 e5.1 11    3.9 3.9 13    26    26    7.3
7 11    e5.8 32    e5.8 e5.3 10    5.0 3.7 9.2 20    53    7.0
8 9.5 e5.0 21    e6.2 e5.5 10    9.6 3.9 6.5 16    37    6.7
9 8.4 e4.7 14    e7.0 e5.6 9.9 8.6 11    5.0 14    24    6.7
10 8.0 e5.0 10    e7.8 e5.8 9.0 7.9 37    3.8 28    16    6.5
 
11 7.2 e4.6 7.2 e8.8 e5.9 8.6 8.3 38    9.4 29    12    8.3
12 6.7 e4.4 e7.1 e7.4 e6.0 8.0 7.1 42    24    21    9.0 47   
13 6.8 e4.3 e7.1 e6.2 e6.0 8.0 5.7 27    43    15    7.9 32   
14 6.4 e3.8 e7.0 e5.4 e6.0 7.8 5.3 17    45    12    7.1 28   
15 8.3 e3.9 e6.7 e7.4 e6.1 7.8 5.1 11    35    11    6.4 22   
 
16 7.8 e4.0 e6.4 e5.8 e6.2 8.6 7.1 10    22    9.3 5.5 15   
17 7.0 e4.1 e5.2 e4.3 e6.3 7.7 20    9.6 15    8.5 9.2 12   
18 5.7 e4.2 e4.5 e5.0 e6.3 7.3 19    10    10    7.7 11    9.4
19 5.8 e4.0 e5.0 e5.8 e6.3 7.7 41    18    7.1 7.3 8.7 7.9
20 6.3 e4.0 e4.2 e6.8 e6.6 10    149    14    14    6.8 6.9 8.4
 
21 5.6 e4.0 e3.8 e6.4 e11    10    138    10    19    6.3 5.5 10   
22 4.6 e4.1 e3.9 e6.0 e20    9.8 63    9.5 13    5.6 5.1 15   
23 4.3 e5.2 e4.3 e5.6 45    9.4 43    8.0 8.4 5.2 5.0 31   
24 e4.3 e4.8 e4.1 e5.0 85    9.2 33    5.8 20    4.6 4.6 28   
25 e4.5 e4.6 e4.0 e4.6 95    8.9 24    3.9 80    4.2 4.2 21   
 
26 e4.5 e4.4 e3.8 e4.2 61    8.7 19    4.1 51    4.1 4.4 16   
27 e4.3 e4.3 e3.8 e3.9 42    8.5 15    5.3 34    4.3 4.6 13   
28 e4.7 e4.2 e3.7 e3.7 30    7.7 12    6.8 27    3.5 3.9 11   
29 e4.6 e4.1 e3.9 e3.8 24    6.7 10    6.8 24    3.7 3.8 10   
30 e4.6 e4.1 e4.5 e3.9 ---    6.1 8.1 5.5 19    21    6.1 8.9
 
31 e4.9 ---    e5.1 e4.1 ---    6.7 ---    17    ---    49    8.4 ---   

TOTAL 272.8 134.6 323.2 180.4 525.3 299.1 693.4 369.5 702.4 535.1 446.3 424.8
MEAN 8.80 4.49 10.4 5.82 18.1 9.65 23.1 11.9 23.4 17.3 14.4 14.2
MAX 30 5.8 57 8.8 95 20 149 42 80 73 58 47
MIN 4.3 3.8 3.7 3.7 4.3 6.1 3.9 3.7 3.8 3.5 3.8 5.4
CFSM .32 .16 .38 .21 .66 .35 .84 .43 .85 .62 .52 .51
IN. .37 .18 .44 .24 .71 .40 .93 .50 .95 .72 .60 .57

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2000, BY WATER YEAR (WY)
MEAN 26.3 13.7 14.8 27.4 26.4 17.9 56.3 24.0 30.5 24.9 10.5 9.53
MAX 43.8 23.0 19.1 49.1 34.9 26.1 89.5 36.1 42.3 45.8 14.4 14.2
(WY) 1999 1999 1999 1999 1999 1999 1999 1999 1999 1998 2000 2000
MIN 8.80 4.49 10.4 5.82 18.1 9.65 23.1 11.9 23.4 11.6 5.98 5.56
(WY) 2000 2000 2000 2000 2000 2000 2000 2000 2000 1999 1999 1998

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1998 - 2000
ANNUAL TOTAL 9920.8   4906.9  
ANNUAL MEAN 27.2   13.4  
HIGHEST ANNUAL MEAN 32.4   1999
LOWEST ANNUAL MEAN 13.4   2000
HIGHEST DAILY MEAN 754          Apr 23 149          Apr 20 754      Apr 23 1999
LOWEST DAILY MEAN 1.4       Sep 11, 18 3.5       Jul 28 1.4   A
ANNUAL SEVEN-DAY MINIMUM 1.8       Sep 6 3.9       Dec 22 1.8   Sep 6 1999
INSTANTANEOUS PEAK FLOW 191          Apr 20 1080      Apr 23 1999
INSTANTANEOUS PEAK STAGE 5.14     Apr 20 7.52 Apr 23 1999
INSTANTANEOUS LOW FLOW 3.2       Jul 28 1.1   B
ANNUAL RUNOFF (CFSM) .98 .49
ANNUAL RUNOFF (INCHES) 13.36 6.61
10 PERCENT EXCEEDS 56      30     
50 PERCENT EXCEEDS 14      7.3  
90 PERCENT EXCEEDS 3.6   4.2  
A - Sept. 11, 18, 1999.
B - Sept. 12, 24-26, 1999.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data