USGS Water-Year Summary 2020
02171905 SOUTH SANTEE RIVER AT STATE PIER NEAR McCLELLANVILLE, SC
LOCATION - Lat 33°09'15", long 79°21'16" referenced to North American Datum of 1927, Charleston County, SC, Hydrologic Unit 03050112, near right bank in Santee Coastal Reserve, 0.8 mi upstream from Pleasant Creek, 2.1 mi upstream of Atlantic Intracoastal Waterway, 8.2 mi northeast of McClellanville, and at mile 7.2.
- WDR-SC-2004-1: Gage datum.
PERIOD OF RECORD - March 1987 to current year.
GAGE - Data collection platform. Datum of gage is 20.58 ft below NGVD of 1929 (from Global Positioning survey). Prior to Mar. 4, 1987 at site 2.1 mi downstream, at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 26.53 ft, Oct. 8, 2016 from CSG reading, but may have been higher during periods of missing gage height record Sep. 21-22, 1989; minimum gage height, 15.13 ft, Jun. 10, 1987.
Gage height affected by tide and regulation from Lake Marion (see sta 02171000) and rediversion from St. Stephens powerplant (see sta. 02171645).
PERIOD OF RECORD - Water years 2013 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: May 2013 to current year.
WATER TEMPERATURE: May 2013 to current year.
INSTRUMENTATION - Water-quality multiprobe and data collection platform. Water quality sensor is located at a depth of 15.00 ft. gage height.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 53,100 microsiemens/cm, October 01, 2019; minimum, 68 microsiemens/cm December 15, 2018.
WATER TEMPERATURE: Maximum, 33.2° C, August 16, 2016; minimum, 2.4 °C, Jan. 05, 2018.