USGS Water-Year Summary for Site USGS 03435000

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USGS Water-Year Summary 2023

03435000 CUMBERLAND RIVER BELOW CHEATHAM DAM, TN

LOCATION - Lat 36°19'22.26", long 87°13'41.73" referenced to North American Datum of 1927, Cheatham County, TN, Hydrologic Unit 05130205, on left bank 0.4 mi downstream from Cheatham Dam, 2.0 mi southwest of Neptune, 2.6 mi upstream from Half Pone Creek, 9.7 mi west of Ashland City, and at mile 148.4.

DRAINAGE AREA - 14,163 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - Stage only January 22, 2015 to October 1, 2019.

GAGE - Data Collection Platform.

REMARKS - Records are rated fair except for other periods as noted. Flow is regulated by storage and power operations at numerous reservoirs above the station.

WATER-QUALITY RECORDS

PERIOD OF RECORD - February 1993 to September 1997, October 1998 to September 2004, Gage moved to 03434870 Cumberland River at River Mile 142.9 beginning in Dec. 2015.

PERIOD OF DAILY RECORD -

   SPECIFIC CONDUCTANCE: February 1993 to September 1997, October 1998 to September 2004, March 2015 to November 2015.
   pH: February 1993 to September 1997, October 1998 to September 2004, March 2015 to November 2015.
   WATER TEMPERATURE: February 1993 to September 1997, October 1998 to September 2004, January 2015 to November 2015.
   DISSOLVED OXYGEN: February 1993 to September 1997, October 1998 to September 2004, March 2015 to November 2015.

INSTRUMENTATION - Data collection platform and water-quality monitor.

REMARKS - Flow regulated by Cheatham Dam and other reservoirs above station. Interruptions in the record were due to instrument malfunctions. Records for water temperature are rated excellent, for specific conductance and pH are rated good and for dissolved oxygen rated fair.

EXTREMES FOR PERIOD OF DAILY RECORD -

   SPECIFIC CONDUCTANCE: Maximum, 298 microsiemens, May 4, 1995; minimum, 152 microsiemens, Jan. 23, 1999.
   pH: Maximum, 9.0 units, March 11, 13, 2002; minimum, 6.0 units, June 13, 1993.
   WATER TEMPERATURE: Maximum, 28.4°C, Aug. 2, 3, 1995; minimum, 2.3°C, Feb. 6, 1996.
   DISSOLVED OXYGEN: Maximum, 16.0 mg/L, Jan. 16, 2001; minimum, 3.7 mg/L, June 29, 1994.