USGS Water-Year Summary 2024
03559500 OCOEE RIVER AT COPPERHILL, TN
LOCATION - Lat 34°59'29", long 84°22'36" referenced to North American Datum of 1927, Polk County, TN, Hydrologic Unit 06020003, on right bank, 0.2 miles upstream from Fightingtown Creek and 0.4 miles downstream from Copperhill, at mile 37.5.
DRAINAGE AREA - 352 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1940 to Sep. 1941 (published as Mill Creek at Copperhill, TN), Dec. 1948 to Sep. 1970, and Dec. 2016 to present.
GAGE - Data Collection Platform and shaft encoder. Datum of gage is 1445.182 ft (NAVD 88).
EXTREMES OUTSIDE PERIOD OF RECORD - During the periods 1902 to 1913, 1918 to 1925, and 1942 to 1970: maximum gage height, 18.5 ft, Nov. 19, 1906, from previous gage location with a different datum (discharge was roughly 35,000 ft³/s according to TVA reports); minimum daily discharge, 70 ft³/s, Dec. 24, 1943 & Oct. 5, 1947.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,630 ft³/s, February 6, 2020, gage height, 9.15 ft; minimum daily mean discharge, 213 ft³/s, February 27, 2017.