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LOCATION.-- Lat 41°50'07", long 88°10'58" (NAD of 1927), in SW1/4SW1/4 sec.26, T.39 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on right bank on upstream side of footbridge in Roy C. Blackwell Forest Preserve, 0.7 mi upstream from the confluence with the West Branch Du Page River and 1 mi northwest of Warrenville. |
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DRAINAGE AREA.-- 6.83 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1991 to current year. |
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STAGE: December 1993 to February 1994, April 1994 to current year. |
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GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 690.15 ft above NGVD of 1929. |
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REMARKS.-- Effluent from sewage-treatment plant 3 mi upstream. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 393 ft3/s, July 18, 1996, gage height, 12.60 ft; no flow, Nov. 25, 1999. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |