USGS Water-Year Summary 2020
03409500 CLEAR FORK NEAR ROBBINS, TN
LOCATION - Lat 36°23'17.56", long 84°37'48.89" referenced to North American Datum of 1927, Scott County, TN, Hydrologic Unit 05130104, on right bank 300 ft downstream from Burnt Mill Bridge, 3.3 mi northwest of Robbins, and at mile 3.7.
DRAINAGE AREA - 272 mi².
- WSP 1306: 1931(M), 1936-37(M), 1943-44(M). WSP 1436: Drainage area. WSP 1910: 1935(M).
PERIOD OF RECORD
- Discharge records available from Oct. 1930 to Sep. 1971; from July 1975 to Sep. 1991; and from Oct. 1998 to present.
Stage only records available from Oct. 1991 to Sep. 1998.
Water temperature, specific conductance, pH, dissolved oxygen, turbidity, and suspended sediment records available from Oct. 1983 to Sep. 1986.
Sediment records available from 1975 to Sep. 1986.
Published as "Clear Fork River near Robbins" from Oct. 1951 to Sep. 1954.
Data Collection Platform. Datum of gage is 1110.544 ft (NAVD 1988, computed using GEOID12B). Datum of gage was previously 1081.46 ft (Sandy Hook Datum). Prior to Aug. 9, 1940, staff gage 300 ft upstream had a gage datum 1.00 ft higher than the current datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Mar. 23, 1929 reached a stage of 22.1 ft, former site and datum, from information by local residents (estimated discharge 54,400 ft³/s); and flood of May 27, 1973, reached a stage of 18.92 ft, present site and datum, from floodmark; discharge 35,700 ft³/s, from rating curve extended above 14,000 ft³/s, on basis of slope-area measurement at gage height 18.5 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 34,000 ft³/s, February 3, 1939, from rating curve extended above 14,000 ft³/s on basis of slope-area measurement of peak flow, gage height 18.50 ft. from flood marks, site and datum then in use; minimum discharge, 0.20 ft³/s, September 19-21, 1932.