USGS Water-Year Summary 2021
03550000 VALLEY RIVER AT TOMOTLA, NC
LOCATION - Lat 35°08'20", long 83°58'50" referenced to North American Datum of 1983, Cherokee County, NC, Hydrologic Unit 06020002, on right bank at site of former highway bridge on Secondary road 1473 at Tomotla, Cherokee County, 0.2 miles upstream from Rogers Creek, 4.7 miles northeast of Murphy, and 6.6 miles upstream from mouth.
DRAINAGE AREA - 104 mi². (measured on TVA planimetric maps, scale 1:24,000). Basin is comprised of steep wooded slopes; open farm land in the valleys. Moderately populated throughout, including the town of Andrews and several smaller communities. Average annual rainfall is 55-65 inches.
- WSP 503: 1905-9, 1915-17. WSP 823: Drainage area. WSP 1306: 1917(M), 1920(M), 1922(M), 1925(M), 1930(M), 1933(M). WSP 1626: 1907(M). WDR NC-97-1: 1979-1994(M).
PERIOD OF RECORD - June 1904 to December 1909, January 1914 to April 1917, October 1918 to current year.
GAGE - Data Collection Platform. Elevation of gage is 1,556.39 ft above NAVD of 1988. Prior to May 11, 1934, nonrecording gage at same site and datum. Satellite telemetry at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of September 1898 reached a stage of 21.2 ft, from floodmark by Tennessee Valley Authority; discharge, about 20,000 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge from flood profile by Tennessee Valley Authority, from rating curve extended above 5,800 ft³/s on basis of slope-conveyance study.