Station list     Available data
ILLINOIS RIVER BASIN


420354088170500       ELGIN WASTEWATER TREATMENT FACILITY AT ELGIN, IL



LOCATION.-- Latitude 42°03'54", longitude 88°17'05", in SW1/4NE1/4NE1/4 sec.2, T.41 N., R.8 E., Kane County, Hydrologic Unit 07120006, within the water-treatment facility on the south side of the frontage road (along the south side of U.S. Highway 90), approximately 0.5 mi east of State Highway 31 at Elgin.

PERIOD OF RECORD.--
PRECIPITATION: March 1989 to September 1995 and March 1997 to current year.

GAGE.-- A 8-in.-diameter, unheated, tipping-bucket rain gage.

REMARKS.-- Snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors.

EXTREMES FOR PERIOD OF RECORD.--
PRECIPITATION: Maximum, 2.93 in., October 17, 1998, but may have been greater during periods of missing record.

EXTREMES FOR CURRENT YEAR.--Maximum recorded, 2.31 in., September 11, 2000.

PRECIPITATION, TOTAL, INCHES, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY SUM VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 0.00 0.01 0.00 0.00 0.00 0.03 0.00 0.13 0.56 0.00 0.13 0.00
2 .03 .00 .00 .02 .00 .00 .01 .00 .00 1.76 .01 .00
3 .73 .00 .10 .15 .00 .00 .00 .00 .02 .08 .00 .00
4 .00 .00 .74 .00 .00 .00 .00 .00 .11 .00 .00 .00
5 .00 .00 .69 .00 .00 .00 .00 .00 .56 .00 .24 .00
6 .00 .00 .02 .04 .00 .00 .00 .00 .00 .00 .05 .00
7 .00 .00 .00 .00 s.06 .00 .35 .07 .00 .00 .00 .00
8 .00 .00 .00 .00 .00 .02 .06 .30 .00 .00 .00 .07
9 .00 .00 .04 .24 s.02 .00 .00 .88 .00 .00 .00 .00
10 .00 .00 .00 .11 .00 .00 .03 .00 .11 1.19 .00 .00
11 .00 .00 .00 .00 .00 .00 .01 .13 .41 .00 .00 2.31
12 .00 .00 .00 .00 .00 .00 .00 .00 .65 .00 .00 .02
13 .07 .00 .00 .00 .00 .00 .00 .00 .36 .00 .03 .00
14 .00 .00 .02 .00 s.02 .00 .00 .00 .20 .00 .00 .33
15 .00 .00 .14 .00 s.02 .05 .00 .00 .00 .00 .00 .00
16 .07 .00 .00 .00 .00 .00 .69 .44 .07 .00 .00 .00
17 .00 .00 .00 .00 .00 .00 .01 .12 .00 .00 .65 .00
18 .00 .00 .00 .00 .00 .00 .00 .87 .00 .01 .02 .00
19 .00 .08 s.03 .00 s.01 e.15 .78 .00 .00 .00 .00 .00
20 .00 .00 .02 .00 .00 e.31 1.47 .00 .59 .00 .00 .40
21 .00 .00 .00 .00 s.05 .00 .05 .00 .00 .00 .00 .00
22 .00 .00 .00 .00 .00 .00 .00 .05 .00 .00 .03 1.53
23 .00 .43 .00 .00 .00 .00 .11 .00 .06 .00 .00 .03
24 .00 .00 .00 .00 .58 .01 .00 .00 1.08 .00 .00 .13
25 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
26 .00 .00 .00 .00 .08 .05 .00 .18 .00 .00 .00 .00
27 .00 .00 .00 .00 .00 .01 .00 .19 .00 .00 .00 .00
28 .00 .00 .00 .00 .00 .01 .00 .51 .08 .04 .00 .00
29 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
30 .04 .00 .00 .00 -- .00 .00 .00 .00 .43 .00 .00
31 .00 -- .00 .00 -- .00 -- .44 -- 1.77 .00 --

TOTAL 0.94 0.52 1.80 0.56 0.84 0.64 3.57 4.31 4.86 5.28 1.16 4.82
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data