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LOCATION.-- Lat 40°08'58", long 88°02'03" (NAD of 1983), in SW1/4NE1/4 sec.35, T.20 N., R.10 E., Champaign County, Hydrologic Unit 05120109, on left bank at upstream side of bridge on County Road 1850 N, 0.2 mi downstream from Spoon River, 2.5 mi north of St. Joseph, and at mile 46.8. |
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DRAINAGE AREA.-- 134 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1958 to September 1991, July 2004 to current year. |
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STAGE: July 2004 to current year. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1978-91. |
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WATER TEMPERATURE: Water years 1975-78. |
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MISCELLANEOUS: Sediment concentration and particle size, water year 2005. |
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REVISED RECORDS.-- WDR IL-83-1: 1982(M). |
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GAGE.-- Water-stage recorder. Datum of gage is 650.16 ft above NGVD of 1929 (650.00 ft NAVD 1988). |
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REMARKS.-- Diurnal fluctuation at low flow caused by Rantoul sewage-treatment plant. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 6,860 ft3/s May 16, 1968, gage height, 18.26 ft, maximum gage height, 18.99 ft, Feb. 10,1959, discharge, 6,030 ft3/s; minimum discharge, 1.7 ft3/s Sept. 22, 1963. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |