USGS Water-Year Summary for Site 02168500

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00010 Temperature, water(Max.,Min.,Mean)
	00062 Elevation, reservoir(Mean)
	00062 Elevation, reservoir(Max.,Min.,Mean,Obs.)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)

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Water year 2024: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2024

02168500 LAKE MURRAY NEAR COLUMBIA, SC

LOCATION - Lat 34°03'07", long 81°13'15" referenced to North American Datum of 1927, Lexington County, SC, Hydrologic Unit 03050109, in intake tower 500 ft upstream from dam on Saluda River and 10.4 mi upstream from confluence of Saluda and Broad Rivers at Columbia.

DRAINAGE AREA - 2,420 mi².

REVISIONS HISTORY -

Dissolved Oxygen data for the period January 14, 2021, to September 16, 2021, were revised on September 19, 2023, an error in the application of fouling and drift corrections required data correction.

Dissolved Oxygen (Lower) data for the period January 14, 2021, to September 16, 2021, were revised on September 19, 2023, an error in the application of fouling and drift corrections required data correction.

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 1929 to current year.

GAGE - Data collection platform. Datum of gage is 1.31 ft below NAVD of 1988. Prior to October 1966, mean gage height was published. Prior to Oct. 31, 1930, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 361.51 ft, Apr. 10, 1936; minimum gage height since generation of power was started, 320.96 ft, Dec. 23, 1941.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1993 to current year.

PERIOD OF DAILY RECORD - October 1992 to current year. WATER TEMPERATURE (Top): October 1992 to current year. WATER TEMPERATURE (Bottom): October 1992 to current year. DISSOLVED OXYGEN (Top): October 1992 to current year. DISSOLVED OXYGEN (Bottom): October 1992 to currrent year.

INSTRUMENTATION - Water-quality multiprobe and data collection platform.

REMARKS -

For the 2014 water year, temperature (Top) records rated excellent. 
For the 2014 water year, temperature (Bottom) records rated excellent. 
For the 2014 water year, dissolved oxygen (Top) records rated good except for May 9-14, which are fair.
For the 2014 water year, dissolved oxygen (Bottom) records rated good.

For the 2015 water year, temperature (Top) records rated excellent. 
For the 2015 water year, temperature (Bottom) records rated excellent. 
For the 2015 water year, dissolved oxygen (Top) records rated good except for Aug. 12 to Sept. 15,
which are fair and May 20 to June 18, which are poor. 
For the 2015 water year, dissolved oxygen (Bottom) records rated good.

For the 2016 water year, temperature (Top) records rated excellent except for Oct. 20 to Nov. 20, which are good. 
For the 2016 water year, temperature (Bottom) records rated excellent. 
For the 2016 water year, dissolved oxygen (Top) records rated excellent except for Oct. 1-20, Mar. 17
to Apr. 18, May 12 to Jun. 7, Aug. 11 to Sept. 20, which are good, Apr. 18 to May 12, which are fair,
Jun. 7 to Aug. 11, which are poor.
For the 2016 water year, dissolved oxygen (Bottom) records rated good.

EXTREMES FOR PERIOD OF DAILY RECORD -

WATER TEMPERATURE (Top): Maximum, 34.5°C, Aug. 1, 1999; minimum, 7.4°C, Feb. 16-21, 2010.

WATER TEMPERATURE (Bottom): Maximum, 26.2°C Sep. 13, 2003; minimum, 7.1°C, Feb. 20, 2010.

DISSOLVED OXYGEN (Top): Maximum, 14.0 mg/L, Mar. 16, 1995; minimum, 0.0 mg/L, Aug. 26, 1995, on several days during Oct. 1996, Oct. 23-25, 1997.

DISSOLVED OXYGEN (Bottom): Maximum, 13.7 mg/L on Mar. 13, 2001; minimum, 0.0 mg/L on many days during many years.