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USGS Water-Year Summary 2024
02081747 TAR RIVER AT U.S. HIGHWAY 401 AT LOUISBURG, NC
LOCATION - Lat 36°05'35", long 78°17'46" referenced to North American Datum of 1983, Franklin County, NC, Hydrologic Unit 03020101, on left bank downstream side of bridge on U.S. Highway 401 (Bickett Boulevard) at Louisburg, and 0.3 mi upstream from Fox Creek.
DRAINAGE AREA - 427 mi².
REVISIONS HISTORY - WDR NC-81-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1963 to current year. Prior to September 1973, published as "Tar River at Louisburg, NC" (02081740). Prior to October 1972, medium- and high-water discharges only.
GAGE - Water-stage recorder. Datum of gage is 175.75 ft above North American Vertical Datum of 1988. Prior to November 21, 1973, nonrecording gage at bridge 0.4 mi upstream at 178.53 ft; November 22, 1973, to June 24, 1980, at site 0.1 mi upstream at same datum. National Weather Service telephone telemetry at streamgage. Satellite telemetry at streamgage.
REMARKS - 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 OUTSIDE PERIOD OF RECORD - Floods of December 1934, September 1945, and August 1955 reached stages of 26 ft, 24 ft, and 24 ft, respectively, at site and datum 0.4 mi upstream, from U.S. Army Corps of Engineers.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge: 23,700 ft³/s, September 17, 1999; Maximum gage height: 26.05 ft, September 17, 1999; Minimum daily mean discharge, 2.09 ft³/s, August 4, 2002.
