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LOCATION.-- Lat 41°47'31", long 88°02'15" (NAD of 1927), in NW1/4SE1/4 sec. 12, T. 38 N., R. 10 E., Du Page County, Hydrologic Unit 07120004, on upstream side of bridge on Belmont Avenue at Belmont, 1.5 mi west of Downers Grove. |
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DRAINAGE AREA.-- 8.83 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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PARTIAL RECORD: Annual maximum, water years 1961 to 1977. |
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GAGE.-- Crest-stage gage. Datum is 687.04 ft above NGVD of 1929 (686.77 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 642 ft3/sec, August 26, 1972 gage height, 4.08 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |