Station list     Available data
ILLINOIS RIVER BASIN


05551000       FOX RIVER AT SOUTH ELGIN, IL



LOCATION.-- Lat 41°59'40", long 88°17'38", in SE1/4NW1/4 sec.35, T.41 N., R.8 E., Kane County, Hydrologic Unit 07120007, on right bank, upstream of dam in South Elgin, 0.1 mi upstream from State Street, 1.4 mi downstream from Brewster Creek, 1.4 mi downstream from Poplar Creek, and at mile 67.2.

DRAINAGE AREA.-- 1,556 mi2.

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

DISCHARGE: October 1989 to September 1998.
 

STAGE: Water years 1994-2000., July to September 1914, and October 1998 to current year.
 

PARTIAL RECORD: Low-flow discharge measurements, July 1961 to September 1962; miscellaneous discharge measurements, water years 1978-89.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-91.

GAGE.-- Water-stage recorder, phone telemeter, and concrete dam. Datum of gage is 687.95 ft above sea level.

REMARKS.-- Flow regulated by Stratton Lock and Dam (previously known as McHenry dam), 30 mi upstream, and occasionally affected by wind action.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge 6,990 ft3/s, July 18, 1993, gage-height 14.45 ft.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of April 2, 1960, reached a stage of 8.16 ft at site 0.1 mi downstream at present datum, from floodmarks, discharge 6,550 ft3/s.

EXTREMES FOR CURRENT YEAR.-- Maximum gage height, 14.15 ft, June 17; minimum 12.13 ft, Feb. 19.
GAGE HEIGHT, FEET, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 12.92 12.25 12.35 12.24 12.25 13.08 12.38 13.18 13.58 12.75 12.82 12.31
2 12.86 12.25 12.29 12.23 12.24 13.07 12.35 13.06 13.71 12.68 12.78 12.31
3 12.85 12.24 12.27 12.23 12.24 13.04 12.34 12.88 13.76 13.10 12.76 12.30
4 12.88 12.22 12.28 12.23 12.25 12.97 12.34 12.76 13.78 13.11 12.69 12.31
5 12.79 12.23 12.49 12.22 12.24 12.92 12.31 12.71 13.87 13.15 12.57 12.30
 
6 12.69 12.27 12.54 12.21 12.24 12.89 12.27 12.65 13.92 13.30 12.53 12.27
7 12.51 12.27 12.52 12.22 12.24 12.79 12.39 12.60 13.91 13.34 12.53 12.24
8 12.39 12.26 12.50 12.20 12.24 12.66 12.49 12.60 13.86 13.26 12.61 12.23
9 12.36 12.27 12.54 12.22 12.24 12.48 12.40 12.68 13.81 13.18 12.66 12.23
10 12.36 12.36 12.58 12.24 12.25 12.36 12.41 12.87 13.72 13.39 12.66 12.21
 
11 12.36 12.36 12.53 12.25 12.25 12.29 12.42 13.00 13.65 13.54 12.65 12.32
12 12.34 12.35 12.52 12.26 12.25 12.26 12.42 13.14 13.70 13.56 12.63 12.83
13 12.32 12.36 12.52 12.26 12.26 12.25 12.42 13.16 13.88 13.53 12.61 12.73
14 12.34 12.37 12.52 12.22 12.27 12.24 12.41 13.15 13.98 13.48 12.60 12.81
15 12.31 12.36 12.52 12.22 12.26 12.24 12.42 13.15 14.08 13.43 12.53 12.85
 
16 12.30 12.36 12.46 12.23 12.26 12.26 12.52 13.14 14.12 13.30 12.43 12.84
17 12.33 12.36 12.43 12.22 12.25 12.22 12.64 13.13 14.15 13.21 12.48 12.81
18 12.33 12.36 12.38 12.21 12.24 12.21 12.60 13.16 14.14 13.17 12.46 12.80
19 12.30 12.36 12.36 12.21 12.23 12.24 12.71 13.50 14.07 13.12 12.44 12.77
20 12.29 12.38 12.34 12.21 12.26 12.29 13.23 13.58 14.01 12.98 12.43 12.80
 
21 12.29 12.42 12.32 12.23 12.25 12.30 13.65 13.61 13.90 12.90 12.42 12.93
22 12.29 12.45 12.32 12.25 12.29 12.37 13.65 13.64 13.78 12.73 12.41 13.10
23 12.31 12.48 12.29 12.25 12.41 12.42 13.61 13.68 13.68 12.65 12.47 13.31
24 12.30 12.47 12.28 12.24 12.54 12.44 13.59 13.69 13.62 12.62 12.53 13.32
25 12.25 12.49 12.28 12.25 12.86 12.43 13.56 13.69 13.62 12.50 12.50 13.35
 
26 12.24 12.48 12.28 12.24 13.04 12.42 13.51 13.68 13.42 12.44 12.44 13.37
27 12.25 12.47 12.28 12.24 13.10 12.42 13.47 13.67 13.24 12.42 12.41 13.34
28 12.24 12.47 12.26 12.24 13.11 12.45 13.42 13.66 13.07 12.43 12.38 13.32
29 12.25 12.46 12.27 12.24 13.09 12.46 13.33 13.65 12.94 12.45 12.36 13.27
30 12.23 12.43 12.27 12.25 --- 12.46 13.25 13.60 12.83 12.46 12.36 13.17
 
31 12.25 --- 12.26 12.25 --- 12.45 --- 13.57 --- 12.75 12.33 ---

MEAN 12.41 12.36 12.39 12.23 12.40 12.50 12.82 13.23 13.73 13.00 12.53 12.76
MAX 12.92 12.49 12.58 12.26 13.11 13.08 13.65 13.69 14.15 13.56 12.82 13.37
MIN 12.23 12.22 12.26 12.20 12.23 12.21 12.27 12.60 12.83 12.42 12.33 12.21

CAL YR 1999 MEAN 12.73 MAX 14.06 MIN 12.02
WTR YR 2000 MEAN 12.70 MAX 14.15 MIN 12.20


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data