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Water-Year Summary for Site 03238745

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Available Parameters
00010 Temperature, water(Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Mean)  
00300 Dissolved oxygen(Mean)  
00400 pH(Med.)  
63680 Turbidity, Form Neph(Med.)  

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

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USGS Water-Year Summary 2021
03238745 TWELVEMILE CREEK AT HIGHWAY 1997 NEAR ALEXANDRIA, KY
LOCATION - Lat 38°57'05", long 84°20'18" referenced to North American Datum of 1927, Campbell County, KY, Hydrologic Unit 05090201, 200 feet upstream of Hwy 9 bridge in field just south of Highway 1997, 1.0 mile upstream from Lick Branch, 2.5 miles east of Alexandria, and 2.8 miles upstream from the mouth.
DRAINAGE AREA - 39 mi².  
REVISIONS HISTORY - WDR KY-01-1: Latitude.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 2001 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 505.85 feet above NGVD of 1929.
COOPERATION - Northern Kentucky Sanitation District No. 1.
REMARKS - 10/01/2014-Current: Records good except for estimated daily discharges which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum Discharge, 8,970 ft³s, June 9, 2010, gage height, 10.90 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: December 2000 to September 2009.  October 2010 to September 2013.  October 2015 to September 2016.

pH: December 2000 to September 2009. October 2010 to September 2013. October 2015 to September 2016.

WATER TEMPERATURES: December 2000 to September 2009. October 2010 to September 2013. October 2015 to September 2016.

DISSOLVED OXYGEN: December 2000 to September 2009. October 2010 to September 2013. October 2015 to September 2016.

TURBIDITY: December 2000 to September 2009. October 2010 to September 2013. October 2015 to September 2016.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 3,000 microsiemens, December 22, 2007; minimum recorded, 86 microsiemens, March 2, 2007.

pH: Maximum recorded, 9.4 units, May 13, 15, 2007; minimum recorded, 5.8 units, October 27, 2010, and February 4, 2011.

WATER TEMPERATURES: Maximum recorded, 35.1°C, August 10, 2007; minimum recorded -0.3'C, January 20, 23, 24, 25, 28, 30, 31, and February 21, 22, 28, 2008.

DISSOLVED OXYGEN: Maximum recorded, 26.3 mg/L, October 5, 2007; minimum recorded, 0.1 mg/L, September 27, 2007.

TURBIDITY: Maximum recorded, >3,000 FNU, February 5, July 5, 2008, February 27, 2009, April 19, 23, and June 20, 2011, January 17 and March 2, 2012; minimum recorded, <2.0 FNU, June 13, 20, 2002, November 1, 2003, September 15-28, October 1, 3-5, 7, 10-16, November 4-21, 24-26, December 31, 2007, January 1-8, 31, May 1, 2008, and numerous days in the 2009, 2011-2013, and 2016 water years.