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LOCATION.-- Lat 41°46'15", long 88°18'32" (NAD of 1927), in SW1/4SE1/4 sec. 15, T. 38 N., R. 8 E., Kane County, Hydrologic Unit 07120007, on downstream side of main bridge on Illinois Avenue at Aurora. |
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DRAINAGE AREA.-- 1706 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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STAGE: July 1914 to October 1914. |
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PARTIAL RECORD: Annual maximum, water years 1960; 1962 to 1976. |
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GAGE.-- Crest-stage gage. Datum of gage is 630.83 ft above NGVD of 1929 (630.60 ft NAVD 1988). Prior to May 3, 1973, at datum 0.55 ft lower. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 11000 ft3/sec, April 23, 1973, gage height, 2.23 ft, present datum. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |