USGS Water-Year Summary 2023
05536580 STONY CREEK (WEST) NEAR WORTH, IL
LOCATION - Lat 41°41'20.5", long 87°49'47.8" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.23, T.37 N., R.12 E., Cook County, IL, Hydrologic Unit 07120003,
DRAINAGE AREA - 19.1 mi².
REVISIONS HISTORY - Revisions: Gage datum was updated to 551.94 ft NAVD88 on June 6, 2023, based on a GNSS Level II survey using GEOID18.
SURFACE-WATER RECORDS
PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: July 2017 to March 2019, October 2019 to current.
STAGE: July 2017 to March 2019, October 2019 to current. Annual maximum 1962-1979.
GAGE - Water-stage recorder, satellite telemeter and crest-stage gage. Datum of gage is 551.94 ft above NAVD of 1988. Prior to July 7, 2017, gage datum was 580.44 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,970 ft³/s, May 17, 2020, gage height, 32.94 ft; minimum, 1.24 ft³/s, Sept. 20, 2021, gage height, 25.23 ft.