LOCATION.-- Lat 41°54'18", long 87°50'40" (NAD of 1927), in NW1/4NW1/4 sec. 2, T. 39 N., R. 12 E., Cook County, Hydrologic Unit 07120004, on downstream side of bridge on 9th Avenue, 0.3 mi east of Melrose Park. | |
DRAINAGE AREA.-- 11.2 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1961 to 1980. | |
GAGE.-- Crest-stage gage. Datum is 617.45 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 752 ft3/sec, September 18, 1972, gage height, 3.57 ft. | |