USGS Water-Year Summary 2021
02146000 CATAWBA RIVER NEAR ROCK HILL, SC
LOCATION - Lat 34°59'05", long 80°58'27" referenced to North American Datum of 1927, York County, SC, Hydrologic Unit 03050103, Near right bank, at upstream side of foot bridge and just downstream of U.S. Highway 21, 3.5 mi downstream from Lake Wylie Dam, 5.0 mi northeast of Rock Hill, 7.5 mi upstream from Sugar Creek, and at mile 137.6.
DRAINAGE AREA - 3,050 mi².
- WSP 1303: 1895-1903, WSP 1333: 1942-43(M), 1953(M). WSP 1623: 1942-51 (yearly runoff).
PERIOD OF RECORD - October 1895 to September 1902, April 1942 to current year. Monthly discharge only for some periods, published in WSP 1303.
GAGE - Data collection platform. Datum of gage is 485.82 ft above NGVD of 1929. Sept. 23, 1895, to July 31, 1903, nonrecording gage at Southern Railway bridge, 2.0 mi downstream, at different datum.
EXTREMES FOR PERIOD OF RECORD - The lowest daily mean for period of record is estimated. The maximum peak stage for period of record was at a different site and datum.