USGS Water-Year Summary for Site 03238745

Click to hide Water-Year Summary instructions and information

Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
Not all sites have reports available for every water year.

	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.)

Select a water year

Water year 2024: 2023-10-01 to 2024-09-30

Print this page

USGS Water-Year Summary 2024

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. Datum of gage was previously reported as 505.85 ft above NGVD of 1929. This datum was revised to 505.39 ft above NGVD of 1929 on Dec 12, 2022.

SURFACE-WATER RECORDS

PERIOD OF RECORD - January 2001 to current year.

GAGE - Water-stage recorder. Datum is 504.80 feet above NAVD of 1988 and 505.39 ft above NGVD of 1929.

COOPERATION - Northern Kentucky Sanitation District No. 1.

REMARKS - Flow subject to regulation by upstream lakes.

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.