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USGS Water-Year Summary 2024
02106500 BLACK RIVER NEAR TOMAHAWK, NC
LOCATION - Lat 34°45'18", long 78°17'19" referenced to North American Datum of 1983, Sampson County, NC, Hydrologic Unit 03030006, on left bank 30 ft upstream from bridge on North Carolina Highway 411, 0.2 mi downstream of Clear Run Swamp, and 3.8 mi northeast of Tomahawk.
DRAINAGE AREA - 676 mi².
REVISIONS HISTORY -
WSP 1723: 1955(M). WDR NC-81-1: Drainage area.
Primary reference gage readings and gage height associated with the discharge measurements for the period November 14, 2016 to December 14, 2017, were revised on February 8, 2018, based on changes to the gage datum.
WSP 1723: 1955(M). WDR NC-81-1: Drainage area.
Primary reference gage readings and gage height associated with the discharge measurements for the period November 14, 2016 to December 14, 2017, were revised on February 8, 2018, based on changes to the gage datum.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1951 to current year.
GAGE - Water-stage recorder. Datum of gage is 23.8 ft above NAVD88 NAD83(2011). Satellite telemetry at streamgage.
Historical: Datum of gage is 24.61 ft above National Geodetic Vertical Datum of 1929. Nonrecording gage on downstream side of bridge October 1, 1951 to June 29, 1961. Water-stage recorder was at present site at datum of 24.26 ft June 30, 1961 to September 30, 1964.
Historical: Datum of gage is 24.61 ft above National Geodetic Vertical Datum of 1929. Nonrecording gage on downstream side of bridge October 1, 1951 to June 29, 1961. Water-stage recorder was at present site at datum of 24.26 ft June 30, 1961 to September 30, 1964.
REMARKS - Gage-height records are generally good. Discharge records are generally good 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 - Flood in 1928 reached a stage of 22.0 ft, present datum; discharge, 14,500 ft³/s and floods in 1945 and 1948 reached a stage of 17.6 ft, present datum; discharge, 5,420 ft³/s, from information furnished by North Carolina State Highway Commission.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 54,800 ft³/s, September 18, 2018; maximum gage height, 31.34 ft, September 18, 2018 from flood marks. Minimum daily mean discharge, 6.98 cfs, July 23, 2011.
