USGS Water-Year Summary for Site 03254693

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	Available Parameters
	00010 Temperature, water(Mean)
	00060 Discharge(Mean)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Mean)
	00300 Dissolved oxygen(Mean)
	00400 pH(Med.)
	63680 Turbidity, Form Neph(Med.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

03254693 THREEMILE CREEK AT THREE MILE ROAD AT COVINGTON, KY

LOCATION - Lat 39°03'00.52", long 84°29'06.38" referenced to North American Datum of 1927, Campbell County, KY, Hydrologic Unit 05100101, on left upstream bank on Three Mile Road at Covington, and 0.6 miles upstream from the mouth.

DRAINAGE AREA - 3.14 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 2013 to current year.

GAGE - Water-stage recorder with peak verification. Datum is 473.61 feet above NAVD of 1988. Prior to September 21, 2016, at datum 1.05 ft. higher.

REMARKS - Records fair.

EXTREMES FOR PERIOD OF RECORD - Maximum Discharge, unknown due to lack of rating definition, Aug. 17, 2016, gage height, 7.87 ft, maximum gage height, 12.77 ft, March 15, 2015 (backwater from Ohio River).

WATER-QUALITY RECORDS

PERIOD OF RECORD - July 2013 - October 2013 and October 4, 2016 - October 19, 2017.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 4,480 microsiemens, January 11, 2017; minimum recorded, 70 microsiemens, April 29, 2017.

pH: Maximum recorded, 9.1 units, July 22, 2013; minimum recorded, 6.7 units *, November 29, 2017.

WATER TEMPERATURES: Maximum recorded, 29.5°C, July 19, 2013; minimum recorded, -0.3°C *, February 4, 2017.

DISSOLVED OXYGEN: Maximum recorded, 17.6 mg/L, February 3, 2017; minimum recorded, 2.8 mg/L, March 1, 2017.

TURBIDITY: Maximum recorded, >3,000 FNU, August 12, 2013, and December, 17, 2016 *; minimum recorded, <2.0 FNU, many days throughout the 2013, and 2017 * water years.

* Multiple occurrences of the same extreme in selected dataset. First occurrence listed.