USGS Water-Year Summary 2024

03455000 FRENCH BROAD RIVER NEAR NEWPORT, TN

LOCATION - Lat 35°58'53.45", long 83°09'40.35" referenced to North American Datum of 1983, Cocke County, TN, Hydrologic Unit 06010105, on right bank, 15 ft upstream from bridge on U.S. Highway 321, 1.0 mi northeast of Newport city limits, 3.7 mi upstream from Pigeon River, and at mile 77.5.

DRAINAGE AREA - 1,858 mi².

REVISIONS HISTORY - WSP 783: 1933-34, WSP 823: Drainage area. WSP 893: 1928(M), WSP 1306: 1900-1908. WSP 1336: 1903(M), 1921-22(M), 1923, 1925(M), 1927(M), 1928, 1932. WSP 1706: 1901(M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - September to December 1900, February to August 1901, October to November 1901, November 1902 to December 1905, September to December 1907, October 1920 to September 1994, October 1996 to current year. Monthly discharge only October to November 1920, published in WSP 1306.

GAGE - Water-stage recorder. Datum of gage is 1,011.121 ft above NAVD of 1988. See WSP 1910 for history of changes prior to Mar. 31, 1934.

REMARKS - Diurnal fluctuation during low flow is caused by power plants above the station.

EXTREMES OUTSIDE PERIOD OF RECORD - From reports of Tennessee Valley Authority, the flood of Mar. 7, 1867, gage height, 24 ft, present datum, discharge estimated, 110,000 ft³/s, has not been exceeded since that date. From the same reports, other outstanding floods occurred Feb. 28, 1902, gage height, 23.0 ft present datum, discharge estimated, 101,000 ft³/s; and July 17, 1916, gage height, 22.5 ft present datum, discharge estimated 97,000 ft³/s.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge 76,300 ft³/s, August 30, 1940, gage height, 19.25 ft; minimum discharge, 189 ft³/s, August 13, 2008.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - Permanent precipitation data from October 1, 2012 to September 30, 2013.