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Water-Year Summary for Site 02207400

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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)  
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
63680 Turbidity, Form Neph(Med.,Min.,Max.)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
02207400 BRUSHY FORK CREEK AT BEAVER ROAD, NEAR LOGANVILLE, GA
LOCATION - Lat 33°49'17", long 83°56'33" referenced to North American Datum of 1983, Gwinnett County, GA, Hydrologic Unit 03070103, on Beaver Road, 2.6 miles southwest of Loganville, and 3.4 miles upstream of Big Haynes Creek.
DRAINAGE AREA - 8.18 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: March 2001 to current year.
GAGE-HEIGHT: March 2001 to current year.
GAGE - Satellite telemetry with a water stage recorder. Datum of gage is 884.4 feet above the North American Vertical Datum (NAVD) of 1988.
COOPERATION - Gwinnett County Department of Water Resources.
REMARKS -
For period 10/01/2013-09/30/2014: Discharge data are fair, except for estimated data which are poor. Gage-height records are good.
For period 10/01/2014-09/30/2015: Discharge data are fair, except for estimated data which are poor. Gage-height records are good.
For period 10/01/2015-09/30/2016: Discharge data are poor. Gage-height records are good.
For period 10/01/2016-09/30/2017: Discharge data are poor. Gage-height records are good.
For period 10/01/2017-02/02/2018: Discharge data are fair, except for estimated data which are poor. Gage-height records are good.
For period 02/03/2018-12/02/2019: Discharge data are good, except for estimated data which are poor. Gage-height records are good.
For period 12/03/2019-10/08/2020: Discharge data are good, except for estimated data which are poor. Gage-height records are good.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 786 cfs, March 31, 2002; maximum gage-height recorded, 9.18 feet, July 7, 2005; minimum daily discharge, 0.02 cfs, July 9-10, 2012.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - March 2001 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 1996 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: March 2001 to current year.
WATER TEMPERATURE: March 2001 to current year.
TURBIDITY: March 2001 to current year.
INSTRUMENTATION - Satellite telemetry a continuous water-quality monitor and an automatic refrigerated sampler.
REMARKS -
For period10/01/2014-09/30/2015: Water temperature records are good. Specific conductance records are fair. Turbidity records are poor.
For period10/01/2015-09/30/2016: Water temperature records are good. Specific conductance records are fair. Turbidity records are poor.
For period10/01/2016-09/30/2017: Water temperature records are good. Specific conductance records are fair. Turbidity records are poor.
For period10/01/2017-09/30/2018: Water temperature records are good. Specific conductance records are fair. Turbidity records are poor.
For period10/01/2018-09/30/2019: Water temperature records are good. Specific conductance records are fair. Turbidity records are 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). Prior to October 1, 2004, turbidity data were published using parameter code 00076: turbidity, water, unfiltered, NTU (Nephelometric Turbidity Units). Hydrologic event 9 indicates a routine sample while J designates a storm event sample. Laboratory chemical analyses are by RTI Laboratories, Livonia, MI, and Test America Laboratory, Denver, CO. Laboratory sediment analyses are by the U.S. Geological Survey, KY Sediment Laboratory. Field determinations of discharge, specific conductance, pH, water temperature, turbidity, barometric pressure and dissolved oxygen are by the U.S. Geological Survey.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 209 microsiemens, May 15, 2006; minimum recorded, 9 microsiemens, January 3, 2008.

WATER TEMPERATURE: Maximum recorded, 29.7°C, July 6, 2012; minimum recorded, 0.4°C, January 10, 2011.

TURBIDITY: Maximum recorded, >2,200 FNU, on several days; minimum recorded, 0.8 FNU, July 11, 2012.