LOCATION.-- Lat 41°36'02", long 87°54'02" (NAD of 1927), in NW1/4NE1/4 sec. 19, T. 36 N., R. 12 E., Cook County, Hydrologic Unit 07120004, at bridge on 159th Street (State Highway 7), 2.7 mi southwest of Orland Park. | |
DRAINAGE AREA.-- 1.60 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1961 to 1977. | |
GAGE.-- Crest-stage gage. Datum is 688.05 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 78 ft3/sec, May 12, 1966, gage height, 2.27 ft. | |