USGS Water-Year Summary 2019
03453500 FRENCH BROAD RIVER AT MARSHALL, NC
LOCATION - Lat 35°47'11", long 82°39'39" referenced to North American Datum of 1983, Madison County, NC, Hydrologic Unit 06010105, on right bank 0.7 mi upstream from Hayes Creek, 1.0 mi downstream of Ivy River, 1.5 mi southeast of Marshall, and at river mile 126.7.
DRAINAGE AREA - 1,332 mi². (measured by TVA from topographic maps, scale 1:24,000). The basin has a large flood plain area (upper part), the majority of which is in cultivation, with steep, sloped areas covered by hardwood forests and dense undercover. It is sparsely populated except for a number of small towns, villages, and the City of Asheville. Basin is located in a varied rainfall area ranging from about 40 inches (lower part) to 80 inches at Rosman (head).
- WSP 1436: 1954, maximum discharge.
PERIOD OF RECORD - October 1942 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,646.79 ft above National Geodetic Vertical Datum of 1929 (levels by Tennessee Valley Authority). Satellite telemetry at streamgage.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage observed since at least 1791: 22.0 ft, July 16, 1916; discharge: 115,000
ft³/s. Flood of August 30, 1940, reached a stage of 16.6 ft; discharge, 70,000 ft³/s, from high water marks, flood profiles, and studies by Tennessee Valley Authority.