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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
02134480 BIG SWAMP NEAR TAR HEEL, NC
LOCATION - Lat 34°42'37", long 78°50'11" referenced to North American Datum of 1983, Robeson County, NC, Hydrologic Unit 03040203, on left bank downstream of bridge on Secondary Road 1004, and 2.8 mi southwest of Tar Heel, NC.
DRAINAGE AREA - 229 mi².
REVISIONS HISTORY - WDR-US-2007: 1998 (annual maximum discharge and gage height)
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1985 to current year. Occasional low-flow measurements, water years 1949-54, 1957-58, 1962-68.
GAGE - Water-stage recorder. Elevation of gage is 99.2 ft ±0.17 ft above NAVD88 NAD83 (2011) Geoid 18. Satellite telemetry at streamgage.
Historical: The datum was previously reported as 98.6 ft above NAVD88 NAD83 (2003) Geoid 06 as determined by a static GNSS observation of low accuracy performed in July 2008.
Historical: The datum was previously reported as 98.6 ft above NAVD88 NAD83 (2003) Geoid 06 as determined by a static GNSS observation of low accuracy performed in July 2008.
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 FOR PERIOD OF RECORD - Maximum discharge, 19,400 ft3/s, October 9, 2016; Maximum gage height 18.72 ft, October 9, 2016 as a result of Hurricane Matthew; Minimum daily mean discharge, no flow, August 31, 1993.
