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. | |
DRAINAGE AREA.-- 29.1 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1960 to 1979. | |
GAGE.-- Crest-stage gage. Datum is 619.42 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 567 ft3/sec, June 10, 1967, estimated. | |