USGS Water-Year Summary for Site 02147310

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	Available Parameters
	00010 Temperature, water(Max.,Mean,Min.)
	00065 Gage height(Max.,Mean,Min.)
	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

02147310 CATAWBA RIVER AT GREAT FALLS,SC

LOCATION - Lat 34°35'53", long 80°53'26" referenced to North American Datum of 1983, Lancaster County, SC, Hydrologic Unit 03050103, downstream side of bridge on State Highway 200, 2.2 mi northeast of Great Falls, SC, 9.8 mi southwest of Springdale, SC.

DRAINAGE AREA - 3,810 mi²

SURFACE-WATER RECORDS

PERIOD OF RECORD - June 2016 to current year.

GAGE - Data Collection Platform. Datum of gage is 0.00 ft above NAVD of 1988.

EXTREMES FOR PERIOD OF RECORD -

Maximum gage height, 358.95 ft, June 10,2019.
Minimum gage height, 343.53 ft, May 21,2019.

WATER-QUALITY RECORDS

PERIOD OF RECORD - June 2016 to current year.

PERIOD OF DAILY RECORD -

DISSOLVED OXYGEN: June 2016 to current year.

WATER TEMPERTURE: June 2016 to current year.

INSTRUMENTATION - Water-quality monitor with satellite telemetry collects data seasonally from April 1st to November 30th.

REMARKS - Data is collected for the months April through November. Considerable regulation caused by dam upstream.

For the 2016 WY, Temperature records rated excellent. 
For the 2016 WY, Dissolved oxygen records rated Excellent except for Jun. 22-26, Jul. 13-18, 
Aug. 10-12, which are good, Jun. 27 to Jul. 5, Jul. 7,19-24, Aug. 13-23, which are fair, 
Jul. 6, 25-28, Aug. 24-25, which are poor.

EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 32.0°C, July 11, 2017 and July 22, 2019; minimum recorded, 5.9°C, January 12, 2017. DISSOLVED OXYGEN: Maximum recorded, 11.7 mg/L, November 30, 2018; minimum recorded, 0.8 mg/L, June 29, 2016.