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Water-Year Summary for Site 02207185

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Available Parameters
00010 Temperature, water(Mean,Max.,Min.)  
00045 Precipitation(Sum)  
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
63680 Turbidity, Form Neph(Max.,Min.,Med.)  

Water year 2023: 2023-10-01 to 2024-09-30
 
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USGS Water-Year Summary 2023
02207185 NO BUSINESS CREEK AT LEE ROAD, BELOW SNELLVILLE, GA
LOCATION - Lat 33°46'39", long 84°02'16" referenced to North American Datum of 1983, Gwinnett County, GA, Hydrologic Unit 03070103, downstream side of bridge on County Road 135, and 3.4 miles east of Centerville.
DRAINAGE AREA - 10.1 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: March 2001 to current year.
GAGE HEIGHT: March 2001 to current year.
GAGE - Satellite telemetry with water-stage recorder. Datum of gage is 735 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).
COOPERATION - Gwinnett County Department of Water Resources.
REMARKS -

For period: 10/01/2013-09/30/2014: Discharge records fair. Gage-height records fair.
For period: 10/01/2014-09/30/2015: Discharge records poor. Gage-height records poor.
For period: 10/01/2015-09/30/2016: Discharge records poor. Gage-height records poor.
For period: 10/01/2016-09/30/2017: Discharge records poor. Gage-height records poor.
For period: 10/01/2017-09/30/2018: Discharge records poor. Gage-height records poor.
For period: 10/01/2018-04/29/2019: Discharge records fair, except periods of estimated record, which are poor, Gage-height records fair.
For period: 04/30/2019-10/02/2019: Discharge records good. Gage-height records good.
For period: 10/02/2019-12/30/2020: Discharge records good. Gage-height records good.

EXTREMES FOR PERIOD OF RECORD - Maximum gage-height recorded, 10.92 feet, April 19, 2019; minimum daily discharge, 0.22 cfs, September 3, 2011.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - March 2001 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 1999 to current year.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: March 2001 to current year.
SPECIFIC CONDUCTANCE: March 2001 to current year.
TURBIDITY: March 2001 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: Continuous water temperature records are good, specific conductance records are fair, and turbidity records are poor.
For period: 10/01/2015-09/30/2016: Continuous water temperature records are good, specific conductance records are fair, and turbidity records are poor.
For period: 10/01/2016-09/30/2017: Continuous water temperature records are good, specific conductance records are fair, and turbidity records are poor.
For period: 10/01/2017-09/30/2018: Continuous water temperature records are good, specific conductance records are fair, and turbidity records are poor.
For period: 10/01/2018-09/30/2019: Continuous water temperature records are good, specific conductance records are fair, and 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 code of 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, Kentucky Sediment Laboratory. Field determinations of discharge, gage height, air temperature, 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, 266 microsiemens, September 16, 17, 2002; minimum recorded, 18 microsiemens, December 24, 2015.

WATER TEMPERATURE: Maximum recorded, 28.5 °C, July 27, 2010; minimum recorded, 0.1 °C, January 10, 2011.

TURBIDITY: Maximum recorded, >2,200 FNU on several days; minimum recorded, <0.5 FNU, September 29, 2010, November 2, 2011, January 2, 2018.