USGS Water-Year Summary for Site 0217206935

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

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

0217206935 COOPER RIVER AT PORTS AUTHORITY PIER,CHARLESTON,SC

LOCATION - Lat 32°51'20.5", long 79°57'09.6" referenced to North American Datum of 1983, Charleston County, SC, Hydrologic Unit 03050201, on end of pier K, 5 miles upstream from the confluence with the Wando River and 2.6 miles downstream from the Mark Clark Express way(I-526).

SURFACE-WATER RECORDS

PERIOD OF RECORD - June 2016 to current year.

GAGE - Data collection platform. Datum of gage is 12.33 ft below NAVD of 1988.

EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 18.88 ft, Sept. 11, 2017; minimum gage height, 7.25 ft, Dec. 22, 2018. Gage height affected by tide.

WATER-QUALITY RECORDS

PERIOD OF RECORD - June 2016 to current year.

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE (Middle): June 2016 to current year.
SPECIFIC CONDUCTANCE (Bottom): June 2016 to current year.
WATER TEMPERATURE (Middle): June 2016 to current year.
WATER TEMPERATURE (Bottom): June 2016 to current year.
DISSOLVED OXYGEN (Middle): June 2016 to current year.
DISSOLVED OXYGEN (Bottom): June 2016 to current year.

INSTRUMENTATION - Water-quality multiprobe and data collection platform.

REMARKS - Sensor location "Middle" is static and set at gage height=-1.0 ft. Sensor location "Bottom" is static and set at gage height= -16.0 ft.

EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE (Middle): Maximum, 46,700 microsiemens/cm, Feb. 25, 2017; minimum, 4600 microsiemens/cm, Oct. 09, 2016.
WATER TEMPERATURE (Middle): Maximum, 31.6°C, July 23, 2020; minimum, 5.1°C, Jan. 8, 2018.
DISSOLVED OXYGEN (Middle): Maximum, 11.3 mg/L, Jan. 14, 2018; minimum, 2.4 mg/L, Aug. 18, 2020
SPECIFIC CONDUCTANCE (Bottom): Maximum, 49,440 microsiemens/cm, Nov. 24, 2017; minimum, 6,390 microsiemens/cm, Oct. 9, 2016.
WATER TEMPERATURE (Bottom): Maximum, 31.6°C, July 23, 2020; minimum, 5.2°C, Jan. 9, 2018.
DISSOLVED OXYGEN (Bottom): Maximum, 10.6 mg/L, Jan. 8, 2018; minimum, 2.1 mg/L, July 10, 2019.