USGS Water-Year Summary 2020
02171000 LAKE MARION NEAR PINEVILLE, SC
LOCATION - Lat 33°27'00", long 80°09'50" referenced to North American Datum of 1927, Berkeley County, SC, Hydrologic Unit 03050111, at right upstream end of spillway, 2.8 mi upstream from old Santee Canal, 5.4 mi upstream from Dead River, and 8.0 mi west of Pineville.
DRAINAGE AREA - 14,700 mi².
PERIOD OF RECORD - January 1942 to current year. Prior to October 1942, published as Santee Reservoir near Pineville.
GAGE - Data collection platform. Datum of gage is NGVD of 1929 (levels by Harza Engineering Co.).
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 77.35 ft, Feb. 28, 1964 (affected by high winds); minimum elevation, 61.36 ft, Oct. 17, 1951.