USGS Water-Year Summary for Site 021720677

Click to hide Water-Year Summary instructions and information

Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
Not all sites have reports available for every water year.

	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00065 Gage height(Max.,Min.,Mean)
	00095 Specific cond at 25C(Mean,Min.,Max.)
	00300 Dissolved oxygen(Max.,Mean,Min.)
	72137 Discharge,tide fltrd(Mean)

Select a water year

Water year 2023: 2022-10-01 to 2023-09-30

Print this page

USGS Water-Year Summary 2023

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)

REMARKS - Gage-height records are generally good to fair. Discharge records are generally good to fair. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-sc_nwisweb_data_inquiries@usgs.gov.

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.

REMARKS -
For the 2014 water year, specific conductance (MIDDLE) records rated good. For the 2014 water year, temperature (MIDDLE) records rated excellent except for May 22 to June 2, which are good, and July 30 to Aug. 11, which are poor. For the 2014 water year, dissolved oxygen (MIDDLE) records rated good. For the 2015 water year, specific conductance (MIDDLE) records rated good. For the 2015 water year, temperature (MIDDLE) records rated excellent. For the 2015 water year, dissolved oxygen (MIDDLE) records rated good. For the 2016 water year, specific conductance (MIDDLE) records rated excellent except for Feb. 1 - Apr. 13 and Sept. 26-30 which are rated good. For the 2016 water year, temperature (MIDDLE) records rated excellent. For the 2016 water year, dissolved oxygen (MIDDLE) records rated excellent except for Jun. 29 - Jul. 7 which are rated good.

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.