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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
03336890 SPOON RIVER NEAR ST. JOSEPH, IL
LOCATION - Lat 40°09'51.1", long 88°01'39.0" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 SW 1/4 sec.25, T.20 N., R.10 E., Champaign County, IL, Hydrologic Unit 05120109, on right bank at downstream side of bridge on County Road 1950 N, 0.75 mi east of the Salt Fork, 3.5 mi north of St. Joseph, and at mile 1.0.
DRAINAGE AREA - 40.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE WATER DISCHARGE AND STAGE
DISCHARGE: May 2013 to current.
STAGE: May 2013 to current.
SURFACE-WATER QUALITY
NITRATE: May 2013 to current.
SURFACE WATER DISCHARGE AND STAGE
DISCHARGE: May 2013 to current.
STAGE: May 2013 to current.
SURFACE-WATER QUALITY
NITRATE: May 2013 to current.
GAGE - Water-stage recorder, nitrate sensor, and satellite telemeter. Datum of gage is 650.00 ft NAVD 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Apr. 11, 2013 exceeded a gage height of 15.68 ft., observed, discharge 759 ft³/s, backwater from Salt Fork.
EXTREMES FOR PERIOD OF RECORD -
SURFACE WATER DISCHARGE AND STAGE: Maximum discharge, 2,000 ft³/s, Dec. 29, 2015, estimated due to backwater from Salt Fork, gage height 18.82 ft.; minimum daily discharge, 1.36 ft³/s, Sept. 13, 2023.
NITRATE: Maximum, 19.9 mg/L, May 31, 2015; minimum, 0.0 mg/L, on many days.
SURFACE WATER DISCHARGE AND STAGE: Maximum discharge, 2,000 ft³/s, Dec. 29, 2015, estimated due to backwater from Salt Fork, gage height 18.82 ft.; minimum daily discharge, 1.36 ft³/s, Sept. 13, 2023.
NITRATE: Maximum, 19.9 mg/L, May 31, 2015; minimum, 0.0 mg/L, on many days.
