USGS Water-Year Summary 2023
05592900 EAST FORK KASKASKIA RIVER NEAR SANDOVAL, IL
LOCATION - Lat 38°41'20", long 89°06'00" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 sec.21, T.3 N., R.1 E., Marion County, IL, Hydrologic Unit 07140202, on left bank at downstream side of bridge on U.S. Highway 51, about 1 mi north of Fairman, about 5 mi north of Sandoval, and at mile 9.9.
DRAINAGE AREA - 113 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1979 to current.
STAGE: Water years 1994 to current. Gage-height record for April 1955 to Sept.
30, 1979, available in files of U.S. Army Corps of Engineers.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
MISCELLANEOUS: Water chemistry and chlorophyll-a in algae, June-August 2007.
GAGE - Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 459.75 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 17,000 ft³/s, May 16, 1990, from rating curve extended above 9,540 ft³/s, gage height 20.03 ft, maximum gage height, 20.06 ft, Mar. 19, 2008, discharge, 9,300 ft³/s; no flow for many days in most years.