LOCATION.-- Lat 42°06'05", long 87°45'33" (NAD of 1927), in NW1/4SE1/4 sec. 19, T. 42 N., R. 13 E., Cook County, Hydrologic Unit 07120003, on downstream side of bridge on Willow Road, below Willow Road Dam, at Northfield, 1 mile south of Winnetka. |
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DRAINAGE AREA.-- 29.1 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 1960 to 1979. |
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GAGE.-- Crest-stage gage. Datum is 619.42 ft above NGVD of 1929. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 567 ft3/sec, June 10, 1967, estimated. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |