USGS Water-Year Summary 2024
021720677 COOPER RIVER AT FILBIN CREEK NEAR NORTH CHARLESTON, SC
LOCATION - Lat 32°53'25", long 79°57'47" referenced to North American Datum of 1927, Charleston County, SC, Hydrologic Unit 03050201, on Interstate 526 bridge pier, 3.5 mi from North Charleston, and at river mile 9.5.
DRAINAGE AREA - Indeterminate
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1997 to current year.
GAGE - Data collection platform. Elevation of gage is 10.54 ft above NAVD of 1988 (from GPS Survey)
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous discharge, 232,000 ft3/s
on Aug. 3, 2019. Maximum gage height, 17.37 ft, Oct. 8, 2016, Minimum
instantaneous discharge, -180,000 ft3/s on July 31, 2019. Minimum
gage height, 4.51 ft, April 16, 2007. Gage height affected by tide. Peak stage
likely higher on Sep. 11, 1999 during Hurricane Hugo. (gage not working)
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1997 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE (TOP): April 2004 to May 2005 (discontinued).
SPECIFIC CONDUCTANCE (MIDDLE): April 1997 to current year.
SPECIFIC CONDUCTANCE (BOTTOM): April 2004 to May 2005 (discontinued).
WATER TEMPERATURE (TOP): April 2004 to May 2005 (discontinued).
WATER TEMPERATURE (MIDDLE): April 1997 to current year.
WATER TEMPERATURE (BOTTOM): April 2004 to May 2005 (discontinued).
DISSOLVED OXYGEN (TOP): April 2004 to May 2005 (discontinued).
DISSOLVED OXYGEN (MIDDLE): April 1997 to current year.
INSTRUMENTATION - Water-quality multiprobe and data collection platform.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE (MIDDLE): Maximum, 50,400 microsiemens/cm, Nov. 15, 2022; minimum, 110 microsiemens/cm, Oct. 5, 2015.
WATER TEMPERATURE (MIDDLE): Maximum, 32.6°C, Aug. 5, 2011; minimum, 4.7°C, Jan. 8, 2018..
DISSOLVED OXYGEN (MIDDLE): Maximum, 12.2 mg/L, Jan. 29, 31, 2000; minimum, 1.9 mg/L, July 28, 2023.
Prior to October 3, 2003 dissolved oxygen concentrations are not corrected for salinity.