USGS Water-Year Summary 2017
02172053 COOPER RIVER AT MOBAY NEAR NORTH CHARLESTON, SC
LOCATION - Lat 32°59'00", long 79°55'23" referenced to North American Datum of 1927, Berkeley County, SC, Hydrologic Unit 03050201, on right bank of Cooper River, 9.9 mi from confluence of East and West Branch Cooper River and at mile 19.4.
PERIOD OF RECORD - October 1983 to current year. Discharge records available for the period March 2004 to May 2005.
GAGE - Data collection platform. Datum of gage is 6.38 ft below NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 13.24 ft, Sep. 22, 1989; minimum gage height, 1.75 ft, Mar. 13, 1993. Gage height affected by tide and regulation from Lake Moultrie (see station 02172000).
PERIOD OF RECORD - Water years 1984 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: June 1983 to current year.
pH: June 1983 to July 1993 (discontinued).
WATER TEMPERATURE: June 1983 to current year.
DISSOLVED OXYGEN: June 1983 to September 1993, January 2004 to May 2005 (discontinued).
INSTRUMENTATION - Water-quality multiprobe and data collection platform.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 37,500 microsiemens/cm, May 9, 1995; minimum, 31 microsiemens/cm, Apr. 23, May 5, 1996.
WATER TEMPERATURE: Maximum, 33.0°C, Aug. 1, 1999; minimum, 4.5°C, Jan. 17, 1988.