USGS Water-Year Summary for Site 02344673

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)
	63680 Turbidity, Form Neph(Med.,Min.,Max.)

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

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USGS Water-Year Summary 2023

02344673 FLAT CREEK DOWNSTREAM OF LAKE PEACHTREE AT PEACHTREE CITY, GA

LOCATION - Lat 33°22'59.4", long 84°34'21.8" referenced to North American Datum of 1983, Fayette County, GA, Hydrologic Unit 03130005, 0.8 miles downstream of spillway for Lake Peachtree, 3.95 miles from confluence with Line Creek, and 1.7 miles south of Peachtree City, GA.

DRAINAGE AREA - 18.4 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: August 2014 to current year.
GAGE HEIGHT: August 2014 to current year.

GAGE - Datum of gage is 770 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).

COOPERATION - Fayette County.

REMARKS -
For period 08/21/2014-10/11/2017: Discharge record fair, except for days of estimated discharge, which are poor. Gage height record good.
For period 10/12/2017-04/11/2018: Discharge record poor, except for days of estimated discharge, which are poor. Gage height record good.
For period 04/12/2018-06/08/2018: Discharge record fair. Gage height record good.
For period 06/09/2018-02/14/2019: Discharge record poor. Gage height record good.
For period 02/15/2019-04/01/2019: Discharge record poor. Gage height record fair.
For period 04/02/2019-06/11/2020: Discharge record poor. Gage height record poor.
For period 06/12/2020-10/07/2020: Discharge record poor. Gage height record good.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 1,040 cfs, estimated, June 08, 2019; maximum gage height recorded, 9.04 feet, June 08, 2019; minimum daily discharge, 0.03 cfs, estimated, September 30, 2018.

WATER-QUALITY RECORDS

PERIOD OF RECORD - August 2014 to current year.

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

REMARKS -
For period 08/21/2014-09/30/2015: Specific conductance, Water temperature, and pH records are rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2015-10/18/2017: Specific conductance, Water temperature, and pH records are rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor. Field determinations of discharge, microbiology, specific conductance, pH, water temperature, dissolved oxygen, bacteria, barometric pressure, air temperature, and turbidity are by the U.S. Geological Survey.

EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 178 microsiemens on August 14, 2018; minimum recorded, 15 microsiemens on April 30, 2018. pH: Maximum recorded, 8.2 units, August 23, 2014; minimum recorded, 6.0 units, August 3, 2018. WATER TEMPERATURE: Maximum recorded, 34.7 degrees Celsius, July 21, 2015; minimum recorded, 0.9 degrees Celsius, February 20, 2015. DISSOLVED OXYGEN: Maximum recorded, 13.2 mg/L, February 20 and 21, 2015; minimum recorded, 1.7 units, June 26, 2016. TURBIDITY: Maximum recorded, 860 FNU, February 3, 2016; minimum recorded, 0.2 FNU, May 31, 2016.