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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
021473426 TOOLS FORK CREEK NEAR ROCK HILL, SC
LOCATION - Lat 34°57'23.33", long 81°06'21.10" referenced to North American Datum of 1983, York County, SC, Hydrologic Unit 03050103, upstream side of bridge on State Highway 5, 3.0 mi west of Rockhill and 7.2 mi east of York.
DRAINAGE AREA - 9.60 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1998 to September 2000, April 2006 to current year.
GAGE - Data collection platform and crest-stage gage. Datum of gage is 566.52 ft above NAVD 1988. Prior to April 27, 2006 at same site and datum.
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 instantaneous discharge, 4,280 cfs, November 12, 2020. Maximum instantaneous gage-height, 11.82 ft, November 12, 2020. Minimum daily mean discharge, 0 cfs, September 4, 2007.
