LOCATION.-- Lat 37°46'30", long 88°39'08" (NAD of 1927), in NW1/4NW1/4 sec.3, T.9 S., R.5 E., Saline County, Hydrologic Unit 05140204, on right bank at upstream side of county highway bridge, 1.4 mi south of Harco and at mile 3.5. | |
DRAINAGE AREA.-- 13.3 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: July 1968 to October 1982. | |
SURFACE-WATER QUALITY | |
CHEMICAL: Water years 1980-1981. | |
SEDIMENT: February 1980 to September 1981. | |
SPECIFIC CONDUCTANCE: Water years 1980-81. | |
WATER TEMPERATURE: Water year 1980. | |
GAGE.-- Water-stage recorder. Datum of gage is 385.41 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 2,590 ft3/s Mar. 28, 1977, gage height, 14.78 ft; no flow for many days each year. | |
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 4,780 mg/L May 14, 1981; minimum daily mean, 0 mg.L Apr. 30, May 1, 1980, Feb. 20, 21, Mar. 8, Aug. 9, 10, 1981. | |
SUSPENDED-SEDIMENT LOADS: Maximum daily, 7,200 tons May 14, 1981; minimum daily, 0 ton on many days each year. | |