USGS Water-Year Summary 2023
05594800 SILVER CREEK NEAR FREEBURG, IL
LOCATION - Lat 38°24'22", long 89°52'26" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.33, T.1 S., R.7 W., St. Clair County, IL, Hydrologic Unit 07140204, on left bank at downstream side of bridge on State Highway 15, 2.2 mi southeast of Freeburg, 4.8 mi northwest of Fayetteville, and at mile 9.6.
DRAINAGE AREA - 464 mi².
REVISIONS HISTORY - WDR IL-73-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1970 to current.
STAGE: Water years 1995 to current. October 1980 to September 1994
(8:00 a.m. gage heights).
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
GAGE - Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 380.77 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 19,600 ft³/s, Dec. 30, 2015, gage height, 26.00 ft; no flow, Aug. 4-6, 1993, during period of backwater from the Mississippi River; minimum daily discharge unaffected by backwater, 0.41 ft³/s, Sept. 17, 1983.