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LOCATION.-- Lat 41°55'50", long 87°53'24" (NAD of 1927), in SW1/4NE1/4 sec.29, T.40 N., R.12 E., Cook County, Hydrologic Unit 07120004, on downstream side of bridge on Grand Avenue, 0.3 mi west of Franklin Park and at mile 4.6. |
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DRAINAGE AREA.-- 6.79 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 1961-1979; Discharge measurements, water year 2000. |
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GAGE.-- Crest-stage gage. Datum of gage is 638.03 ft above NGVD of 1929. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum observed gage height, 3.83 ft, Sept. 18, 1972; minimum observed gage height, 0.95 ft., July 19, 1964. |
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REMARKS.-- Discharge measurements were taken 0.7 miles upstream to 2.9 miles downstream during water year 2000. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |