USGS Water-Year Summary for Site 03432100

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2024

03432100 HARPETH RIVER AT MCDANIEL, TN

LOCATION - Lat 35°49'57", long 86°41'56" referenced to North American Datum of 1927, Williamson County, TN, Hydrologic Unit 05130204, on left upstream side of bridge on McDaniel Road, 900 feet southwest of McDaniel, 0.9 mi upstream from confluence with Nelson Creek.

DRAINAGE AREA - 66.6 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - December 5, 2006 to May 6, 2013.

GAGE - Data collection platform and crest-stage gage.

REMARKS - Records fair except for estimated daily discharges and discharges below 0.5 ft³/s, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,440 ft³/s; gage height 19.86 ft, May 2, 2010; minimum discharge, 0.01 ft³/s, Oct. 6, 7, 2008, several days 2011 and 2012 water year.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - October 1, 2008 to May 6, 2013.

INSTRUMENTATION - Tipping-bucket rain gage.

REMARKS - Precipitation data collected during freezing periods may not be accurately reflected in daily record, winter record is poor.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Dec. 6, 2016 - Sept. 30, 2012, Turbidity; Oct. 1, 2008 - Sept. 30, 2012, Turbidity, Water Temperature, and Specific Conductance; Aug. 15, 2014 - Oct. 27, 2014, Water Temperature, Specific Conductance, and Dissolved Oxygen.

REMARKS - Records for water temperature, specific conductance and dissolved oxygen are good, and turbidity records are fair, except as noted.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 504 microsiemens, July 22, 2012; minimum, 58 microsiemens, May 2, 2010. WATER TEMPERATURE: Maximum, 32.5°C, August 4, 2010; minimum, 0.0°C, Jan. 6, 9-11, 13, 14, 2010. TURBIDITY: Maximum, 995 FNU, May 1, 2010; minimum, <1 FNU, many days 2007 water year; Sept. 23, Oct. 1, 2, 2007, August 13, 2010, August 5, 2011, many days 2012 water year. DISSOLVED OXYGEN: Maximum, 9.6 milligrams per liter, October 23-24, 2014; minimum, 1.4 milligrams per liter, October 3, 2014 and October 8, 2014.