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USGS Water-Year Summary 2024
02074000 SMITH RIVER AT EDEN, NC
LOCATION - Lat 36°31'32", long 79°45'56" referenced to North American Datum of 1983, Rockingham County, NC, Hydrologic Unit 03010103, on right bank at Eden, 0.3 mi downstream of bridge on North Carolina Highway 14, 0.8 mi upstream from bridge on Secondary Road 1714, 1.2 mi south of Virginia-North Carolina State line, 1.3 mi downstream of Stuart Creek, and 3.9 mi upstream from mouth.
DRAINAGE AREA - 538 mi².
REVISIONS HISTORY - WSP 1433: 1946 (daily discharges).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1939 to current year. Prior to October 1970, published as "Smith River at Spray".
GAGE -
Water-stage recorder. The datum of the gage is 538.84 ft above NAVD 88 NAD83(2011). Satellite telemetry at streamgage.
Historical: Datum of gage is 539.56 ft above National Geodetic Vertical Datum of 1929.
REMARKS - Flow regulated since August 1950 by Philpott Lake, 40 mi upstream (usable capacity, 6,325,000,000 ft3). Additional regulation by hydroelectric plant at Martinsville, Virginia, 18 mi upstream.
Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-nc_nwisweb_data_inquiries@usgs.gov.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum discharge prior to regulation: 45,600 ft³/s, August 15, 1940, from rating curve extended above 12,000 ft³/s on the basis of computation of peak flow over dam 1.5 mi downstream; gage height: 19.28 ft.
