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ILLINOIS RIVER BASIN


05551000       FOX RIVER AT SOUTH ELGIN, IL

 

LOCATION.-- Lat 41°59'46", long 88°17'42" (NAD of 1927), 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: July to September 1914, October 1993 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 NGVD of 1929.
 

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, 13.99 ft, Aug. 22; minimum 12.00 ft, July 26.
GAGE HEIGHT, in FEET, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 12.80 13.36 13.01 12.57 12.47 12.93 12.37 12.94 12.73 12.35 12.06 12.25
2 12.68 13.24 13.01 12.57 12.47 12.91 12.38 13.08 12.70 12.33 12.09 12.37
3 12.47 13.12 13.01 12.56 12.46 12.81 12.42 13.01 12.71 12.26 12.10 12.44
4 12.37 13.05 13.00 12.52 12.46 12.78 12.50 12.95 13.35 12.23 12.13 12.42
5 12.41 13.01 12.99 12.49 12.44 12.78 12.55 12.93 13.64 12.26 12.25 12.40
 
6 12.40 12.97 12.98 12.49 12.44 12.77 12.59 12.89 13.74 12.25 12.18 12.39
7 12.38 12.91 12.96 12.48 12.44 12.78 12.64 12.89 13.67 12.23 12.14 12.37
8 12.37 12.85 12.91 12.48 12.44 12.82 12.72 12.87 13.66 12.20 12.11 12.36
9 12.35 12.80 12.90 12.48 12.44 12.91 12.87 12.69 13.68 12.29 12.09 12.35
10 12.33 12.77 12.88 12.49 12.46 12.96 12.97 12.61 13.63 12.28 12.06 12.32
 
11 12.38 12.77 12.85 12.49 12.49 12.98 13.06 12.73 13.59 12.26 12.05 12.32
12 12.46 12.76 12.81 12.50 12.51 13.02 13.13 13.23 13.49 12.23 12.03 12.29
13 12.64 12.74 12.81 12.49 12.58 13.07 13.19 13.13 13.35 12.20 12.41 12.27
14 13.10 12.72 12.81 12.50 12.62 13.13 13.25 13.07 13.13 12.18 12.46 12.25
15 13.25 12.72 12.78 12.49 12.62 13.16 13.31 13.02 13.01 12.17 12.36 12.25
 
16 13.23 12.76 12.79 12.51 12.62 13.18 13.38 13.05 12.96 12.14 12.35 12.23
17 13.15 12.79 12.79 12.48 12.63 13.18 13.42 13.17 12.93 12.12 12.34 12.19
18 13.07 12.79 12.78 12.47 12.63 13.17 13.31 13.20 12.91 12.11 12.34 12.19
19 13.01 12.79 12.80 12.46 12.63 13.13 13.27 13.18 12.83 12.13 12.40 12.21
20 12.96 12.79 12.79 12.46 12.69 13.01 13.22 13.15 12.76 12.10 12.48 12.27
 
21 12.92 12.77 12.78 12.45 12.78 12.86 13.19 12.96 12.72 12.05 12.49 12.35
22 12.81 12.77 12.77 12.45 12.88 12.78 13.15 12.79 12.68 12.03 13.62 12.48
23 13.22 12.76 12.76 12.45 12.93 12.88 12.99 12.62 12.66 12.06 13.45 12.45
24 13.37 12.77 12.72 12.47 12.95 12.92 12.91 12.60 12.64 12.04 13.31 12.41
25 13.56 12.82 12.63 12.46 12.95 12.93 12.79 12.53 12.53 12.01 13.18 12.31
 
26 13.56 12.85 12.61 12.45 12.96 12.82 12.74 12.54 12.45 12.01 13.04 12.23
27 13.57 12.87 12.61 12.45 12.96 12.66 12.77 12.54 12.40 12.04 12.82 12.24
28 13.56 12.90 12.61 12.45 12.95 12.56 12.81 12.58 12.38 12.02 12.64 12.22
29 13.55 12.95 12.58 12.46 --- 12.50 12.81 12.63 12.36 12.09 12.51 12.24
30 13.52 13.00 12.57 12.46 --- 12.42 12.88 12.71 12.35 12.07 12.45 12.22
 
31 13.46 --- 12.57 12.47 --- 12.38 --- 12.73 --- 12.07 12.33 ---

MEAN 12.93 12.87 12.80 12.48 12.64 12.88 12.92 12.87 12.99 12.16 12.46 12.31
MAX 13.57 13.36 13.01 12.57 12.96 13.18 13.42 13.23 13.74 12.35 13.62 12.48
MIN 12.33 12.72 12.57 12.45 12.44 12.38 12.37 12.53 12.35 12.01 12.03 12.19

WTR YR 2002 MEAN 12.69 MAX 13.74 MIN 12.01


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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data