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Water-Year Summary for Site 02208450

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00045 Precipitation(Sum)  
00045 Precipitation(Sum) [Operational]  
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.,Mean)  
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.)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
02208450 ALCOVY RIVER ABOVE COVINGTON, GA
LOCATION - Lat 33°38'24", long 83°46'45" referenced to North American Datum of 1927, Newton County, GA, Hydrologic Unit 03070103, at bridge on Alcovy Trestle Road, 600.0 feet downstream from Strouds Creek, 100.0 feet upstream from railroad bridge, and 6.0 miles Northeast of Covington, GA.
DRAINAGE AREA - 181 mi². revised.
REVISIONS HISTORY - WDR GA-2013: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: January 1972 to current year.
GAGE HEIGHT: October 1998 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 646.10 feet above National Geodetic Vertical Datum (NGVD) of 1929 (leveling by Global Positioning System equipment). Prior to October 1986, at site 400 feet upstream at same datum.
COOPERATION - City of Covington.
REMARKS -
For period: 10/01/2013-09/30/2014: Discharge and gage height records good.
For period: 10/01/2014-09/30/2015: Discharge records fair. Gage height records good.
For period: 10/01/2015-06/11/2018: Discharge and gage height records good.
For period: 06/11/2018-02/21/2019: Discharge records fair. Gage height records good.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 7,620 cfs, (gage height, 14.49 feet) March 18, 1990; maximum gage height recorded, 14.79 feet, March 16, 1976; minimum daily discharge, 0.18 cfs, July 22, 2000.

Minimum daily discharge may have been lower during period of extensive diversion, June 19 through September 12, 1986.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 2008 to September 2009. October 2012 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: October 2014 to current year.

pH: October 2014 to current year.

WATER TEMPERATURE: October 2014 to current year.

DISSOLVED OXYGEN: October 2014 to current year.

TURBIDITY: October 2014 to current year.
COOPERATION - Newton County.
INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor.
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 97 microsiemens, July 12, 2015; minimum recorded, 22 microsiemens, April 14, 2015.

pH: Maximum recorded, 7.4 units, October 27, 2016; minimum recorded, 6.0 units, August 03, 2018 and August 05, 2018. 

WATER TEMPERATURE: Maximum recorded,  28.3°C, July 26, 2016; minimum recorded, 0.4°C, January 07, 2018.

TURBIDITY: Maximum recorded, 414 FNU, April 12, 2018; minimum recorded, 2.0 FNU, February 2, 2015.

DISSOLVED OXYGEN: Maximum recorded, 13.5 mg/L, January 7, 2018; minimum recorded, 5.6 mg/L, April 15, 2015, August 24, 2015.