|
LOCATION.-- Lat 42°01'34", long 88°15'20" (NAD of 1927), in SE1/4NW1/4 sec.19, T.41 N., R.9 E., Cook County, Hydrologic Unit 07120006, on right bank 35 ft upstream from bridge on U.S. Highway B.R. 20 (Villa Street) in Elgin, and at mile 2.3. |
|
|
DRAINAGE AREA.-- 35.2 mi2. |
|
|
PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE AND STAGE |
|
|
DISCHARGE: August 1951 to current year. |
|
|
STAGE: Water years 1994 to current year. |
|
|
SURFACE-WATER QUALITY |
|
|
CHEMICAL: Water years 1977-91. |
|
|
MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000. |
|
|
BIOLOGICAL |
|
|
ALGAE: Pigment and biomass, Water year 2000. |
|
|
BENTHIC MACROINVERTEBRATES: Water year 2000. |
|
|
FISH: Water year 2001. |
|
|
HABITAT: Water year 2000. |
|
|
REVISED RECORDS.-- WSP 1338: 1952-53. WDR IL-75-1: Drainage area. |
|
|
GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 716.00 ft above NGVD of 1929. |
|
|
EXTREMES FOR PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,180 ft3/s, Feb. 21, 1997, gage height, 6.78 ft; no flow, July 10, 1957, Sept. 14, 1958, July 18, 1989, Oct. 6, 1997. |
|
|
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |