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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
02146110 MANCHESTER CREEK AT ROCK HILL,SC
LOCATION - Lat 34°56'40", long 80°58'47" referenced to North American Datum of 1983, York County, SC, Hydrologic Unit 03050103, north of SC Hwy 122, on John Ross Parkway.
DRAINAGE AREA - 5.80 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 2006 to current year.
GAGE - Data collection platform. Datum of gage is 510.29 ft above NAVD of 1988 (from GNSS survey).
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, 2,190 cfs, February 6, 2020, from rating curve extended on basis of culvert computation of peak flow at gage height 10.92 ft. Maximum instantaneous gage height of 12.96 ft with discharge unknown occurred on December 04, 2016. Minimum daily mean discharge, 0.03 cfs, Oct. 14, 2007.
