USGS Water-Year Summary 2022
05570000 SPOON RIVER AT SEVILLE, IL
LOCATION - Lat 40°29'24", long 90°20'25" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NE 1/4 sec.24, T.6 N., R.1 E., Fulton County, IL, Hydrologic Unit 07130005, on left bank at downstream side of State Highway 95 bridge, 0.5 mi upstream from a railroad bridge, 0.5 mi northeast of Seville, 0.1 mi downstream from Shaw Creek, and at mile 39.2.
DRAINAGE AREA - 1,636 mi².
REVISIONS HISTORY - WSP 1208: 1917, 1920, 1922, 1924, 1926-27, 1929(M). WSP 1308: 1919(M),
1936(M), 1938(M), 1942(M), 1945(M). WDR IL-75-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: July 1914 to current. Monthly discharge only for some periods,
published in WSP 1308.
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-93.
SEDIMENT: Water years 1980-97, Feb. 2003 to Sept. 2014.
MISCELLANEOUS: Sediment concentration and particle size, water years 1993, 1995-97,
2003-2004.
GAGE - Water-stage recorder, satellite
telemeter, sediment sampler, and crest-stage gage. Datum of gage is
467.04 ft above NGVD of 1929 (466.76 ft NAVD 1988). Datum of gage was incorrectly published
water years 1927-1941. Prior to May 9, 1935, nonrecording gage 0.5
miles downstream at same datum. May 9, 1935 to June 30, 1976,
nonrecording gage 0.47 miles downstream at same datum. July 1, 1976,
to July 13, 1983, recording gage at present site and datum. July 14,
1983, to Sept. 18, 2000, recording gage 0.47 miles downstream at same
datum.
EXTREMES OUTSIDE PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE:
Flood of 1883 reached a stage of about 33.0 ft, backwater from ice,
discharge not determined.
EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 42,500 ft³/s, Apr. 20, 2013, gage height, 35.80 ft, minimum observed discharge, 3.8 ft³/s, July 31, Aug. 27-29, 1914.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 4,630 mg/L, July 21, 1996; minimum daily, 6 mg/L, Jan. 22, 2013.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 236,000 tons, Apr. 20, 2013; minimum daily, 2.2 tons, Sept. 13-14, 2005.