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LOCATION.-- Lat 37°38'16", long 88°40'40" (NAD of 1927), in SW1/4NE1/4 sec.20, T.10 S., R.5 E., Saline County, Hydrologic Unit 05140204, on right bank at downstream side of bridge on U.S. Highway 45, 150 ft downstream from railroad bridge, 4.5 mi southwest of Carrier Mills, and at mile 42.4. |
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DRAINAGE AREA.-- 147 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1965 to current year. |
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STAGE: Water years 1994 to current year. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1977-91. Additional chemical data for water years 1963-77 are published in Water-Resources Investigations 78-24 and 79-25 as site ATH 05. |
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SEDIMENT: Water years 1977 to 1981. |
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SPECIFIC CONDUCTANCE: Water years 1980-81. |
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WATER TEMPERATURE: Water years 1980-81. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 375.63 ft above NGVD of 1929. Prior to Oct. 31, 1967, nonrecording gage at same site and datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 5,160 ft3/s, Jan. 31, 1982, gage height, 16.32 ft; minimum daily discharge, 0.60 ft3/s, July 29, 30, Sept. 3, 1966. |
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SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 1,570 mg/L May 28, 1981; minimum daily mean, 0 mg/L Aug. 20-22, 1980. |
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SUSPENDED-SEDIMENT LOADS: Maximum daily, 8,010 tons May 28, 1981; minimum daily, 0 ton Aug. 20-22, Sept. 20, Oct. 10, 1980, May 3, 4, 1981. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |