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Water-Year Summary for Site 02208493

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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(Med.,Max.,Min.)  
63680 Turbidity, Form Neph(Max.,Min.,Med.)  

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

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USGS Water-Year Summary 2024
02208493 CORNISH CREEK AT HAZELBRAND RD NR COVINGTON, GA
LOCATION - Lat 33°37'42.6", long 83°47'55.9" referenced to North American Datum of 1983, Newton County, GA, Hydrologic Unit 03070103, at Hazelbrand Road, 1.6 miles downstream of Cornish Creek Reservior, and 1.1 miles from confluence with Alcovy River.
DRAINAGE AREA - 27.2 mi². revised.
REVISIONS HISTORY - Drainage area was revised on May 8, 2023, based on a more accurate determination of the drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: September 2009 to current year.
GAGE HEIGHT: September 2009 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 641.35 feet above North Amercian Vertical Datum (NAVD) of 1988 (from topographic map).
COOPERATION - Newton County.
REMARKS - Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor.  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.
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous discharge, unknown, December 15, 2015; maximum gage height recorded, 13.05 feet, December 30, 2015; minimum daily discharge, 1.59 cfs, October 20, 2016.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - September 2009 to October 2017.
INSTRUMENTATION - Tipping-bucket raingage.
WATER-QUALITY RECORDS
PERIOD OF 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.
INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor.
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 111 microsiemens, October 22, 2015; minimum recorded, 25 microsiemens, July 25, 2020.

PH: Maximum recorded, 7.6 units on February 17, 2017; minimum recorded, 6.0 units, June 20, August 09, 2017, and August 10, 2020.

WATER TEMPERATURE: Maximum recorded, 29°C, August 26, 2023; minimum recorded, 1.0°C, January 09, 2015.

DISSOLVED OXYGEN: Maximum recorded, 12.2 mg/L, February 19 and 20, 2015; minimum recorded, 3.2 mg/L, December 30, 2021.

TURBIDITY: Maximum recorded, 336 FNU, April 04, 2019; minimum recorded, <0.5 FNU, on many days during August 2015.