USGS Water-Year Summary for Site 023362095

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	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.,Max.,Min.)

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

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USGS Water-Year Summary 2023

023362095 BURNT FORK CREEK AT MILLWOOD WAY NEAR CLARKSTON, GA

LOCATION - Lat 33°49'17", long 84°16'29" referenced to North American Datum of 1983, Dekalb County, GA, Hydrologic Unit 03130001,

DRAINAGE AREA - 3.26 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: March 2012 to current year
GAGE-HEIGHT: March 2012 to current year

GAGE - Satellite telemetry with a water-stage recorder and continuous water-quality monitor. Datum of gage is 935.10 feet above NAVD88.

COOPERATION - DeKalb County Department of Watershed Protection.

REMARKS - Gage-height records are generally good. Discharge records are generally good 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 discharge recorded, 1,120 cfs, October 10, 2020; maximum gage-height recorded, 8.78 feet, October 10, 2020; minimum daily discharge, 0.21 cfs, on several days.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - April 2013 to current year.

INSTRUMENTATION - Tipping-bucket raingage.

WATER-QUALITY RECORDS

PERIOD OF RECORD - October 2012 to current year.

PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: October 2012 to current year.
pH: October 2012 to current year.
WATER TEMPERATURE: October 2012 to current year.
DISSOLVED OXYGEN: October 2012 to current year.
TURBIDITY: October 2012 to current year.

INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor and an automatic refrigerated sampler.

REMARKS -
For period: 10/01/2014-09/30/2015: Specific conductance pH and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period: 10/01/2015-09/30/2016: Specific conductance, pH and water temperature record is rated good. Dissolved oxygen and turbidity record is rated fair.
For period: 10/01/2016-09/30/2017: Specific conductance, pH, water temperature and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period: 10/01/2017-09/30/2018: Specific conductance, pH, water temperature and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period: 10/01/2018-09/30/2019: Specific conductance, pH, water temperature and dissolved oxygen record is rated fair. Turbidity record is rated poor.

Data for parameter code 63680 (turbidity) were collected using a probe with the following specifications: turbidity, water, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (Formazin Nephelometric Units). Laboratory chemical analyses are by RTI Laboratory, Livonia, MI. Laboratory sediment analyses are by the U.S. Geological Survey, KY Sediment Laboratory. Field determinations of discharge, microbiology, specific conductance, pH, water temperature, turbidity, barometric pressure, air temperature, and dissolved oxygen are by the U.S. Geological Survey.

EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 1,010 microsiemens, January 7, 2017. Minimum, 12 microsiemens, December 28, 2018.
pH: Maximum, 7.8 units, March 18, 2015. Minimum, 5.5 units, November 17, 2014.
WATER TEMPERATURE: Maximum, 28.0°C, August 1, 2016; July 7, 2022. Minimum, 0.2°C, January 7, 30, 2014, January 5, 18, 2018.
DISSOLVED OXYGEN: Maximum, 13.8 mg/L, January 2, 5, 7, 18, 2018. Minimum,<3.0 mg/L, June 20, 2017.
TURBIDITY: Maximum, 1,010 FNU, August 9, 2017. Minimum, <0.5 FNU, many days.