USGS Water-Year Summary 2019
02198980 SAVANNAH RIVER AT FORT PULASKI, GA
LOCATION - Lat 32°02'02", long 80°54'12" referenced to North American Datum of 1927, Chatham County, GA, Hydrologic Unit 03060109, at downstream side of the U.S. Coast Guard pier on Cockspur Island, 1.0 mile upstream from the mouth, 0.7 miles west of Fort Pulaski.
DRAINAGE AREA - Indeterminate.
PERIOD OF RECORD -
DISCHARGE: June 2009 to current year.
GAGE HEIGHT: October 1987 to current year.
WATER VELOCITY: June 2009 to current year.
GAGE - Satellite telemetry with a water-stage recorder and an acoustic velocity meter. Datum of gage is North American Vertical Datum (NAVD) of 1988. From October 1, 2007 to September 30, 2001, datum of gage was referenced to National Geodetic Vertical Datum (NGVD) of 1929. Prior to October 1, 2001, gage datum was 3.02 feet below NGVD of 1929.
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 515,000 cfs, January 11, 2016; maximum gage height, 10.18 feet, at datum then in use, February 7, 1993; minimum gage height recorded, -7.81 feet, March 13, 1993, but was lower during the day when the stage fell below the recordable range of the gage.
Extremes have been adjusted to NAVD of 1988.
PERIOD OF RECORD - January 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: October 2014 to current year.
WATER TEMPERATURE: October 2014 to current year.
COOPERATION - U.S. Army Corps of Engineers, Savannah District.
INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor.
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 61,500 microsiemens, January 12, 2014; minimum recorded, 13,000 microsiemens, April 12, 2016.
WATER TEMPERATURE: Maximum recorded, 31.6°C, July 24, 2016; minimum recorded, 5.3°C; January 7-8, 2018