USGS Water-Year Summary for Site 0219897993

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	00065 Gage height(Tid.,Tid.)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)
	63680 Turbidity, Form Neph(Max.,Med.,Min.)

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

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USGS Water-Year Summary 2023

0219897993 SAVANNAH RIVER AT ELBA ISLAND, NEAR SAVANNAH, GA

LOCATION - Lat 32°06'11", long 81°00'25" referenced to North American Datum of 1983, Jasper County, SC, Hydrologic Unit 03060109, 5.2 miles downstream of US 17, 2.4 miles downstream of Fig Island, 4,300 feet downstream of South Channel, and 5.3 miles east of Savannah, GA.

DRAINAGE AREA - Indeterminate.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
GAGE HEIGHT: August 2013 to current year.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is North American Vertical Datum (NAVD) of 1988 (levels by U.S. Geological Survey).

COOPERATION - U.S. Army Corps of Engineers, Savannah District.

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

Gage height affected significantly by astronomical tides.

EXTREMES FOR PERIOD OF RECORD -

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - August 2013 to current year.

INSTRUMENTATION - Tipping-bucket raingage.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: August 2013 to current year.

pH: August 2013 to current year.

WATER TEMPERATURE: August 2013 to current year.

DISSOLVED OXYGEN: August 2013 to current year.

TURBIDITY: August 2013 to current year.

COOPERATION - U.S. Army Corps of Engineers, Savannah District.

INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor.

REMARKS -
For period: 10/01/2014-12/06/2017: Specific Conductance, pH, Turbidity, and Salinity records rated poor; Water Temperature records rated fair; Dissolved Oxygen records rated fair, except when concentrations fell below 4.0 mg/L, which are rated poor.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 47,400 microsiemens, October 08, 2016; minimum recorded, 224 microsiemens, March 12, 2020.

pH: Maximum recorded, 8.1 units, many days during most water years; minimum recorded, 6.4 units, January 14, 2016.

WATER TEMPERATURE: Maximum recorded, 31.5°C July 14, 2017; minimum recorded, 5.5°C, January 7 & 8, 2018.

DISSOLVED OXYGEN: Maximum recorded, 10.5 mg/L, January 08-11 2018; minimum recorded, 1.7 mg/L, September 21, 2017.

TURBIDITY: Maximum recorded, 390 FNU, August 21, 2013; minimum recorded, 0.8 FNU, September 08, 2020.

SALINITY: Maximum computed, 30.9 parts-per-thousand, October 08, 2016; minimum computed, 0.1 parts-per-thousand, March 10-13, 2020.