USGS Water-Year Summary for Site 03293510

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

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

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USGS Water-Year Summary 2023

03293510 BEARGRASS CREEK AT RIVER ROAD AT LOUISVILLE, KY

LOCATION - Lat 38°16'01", long 85°43'17" referenced to North American Datum of 1927, Jefferson County, KY, Hydrologic Unit 05140102, on upstream side of railroad bridge 100 feet upstream from River Road at Louisville, and 0.25 miles upstream of Ohio River.

DRAINAGE AREA - 60.1 mi².

REVISIONS HISTORY - 2009 water year: Maximum discharge, 8,520 ft³/s, August 4, gage height, 12.49 feet. Maximum gage height, 13.93 feet (backwater), May 10. 2010 water year: Maximum discharge, 4,410 ft³/s, May 2, gage height, 11.31 feet. Maximum gage height, 17.60 feet (backwater), May 6. 2012 water year: Maximum gage height, 14.19 feet (backwater), December 1.

SURFACE-WATER RECORDS

PERIOD OF RECORD - March 2008 to current year.

GAGE - Water-stage and index velocity recorder. Datum of gage is 412.18 feet above NGVD of 1929.

COOPERATION - Louisville and Jefferson County Metropolitan Sewer District.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,520 ft³/s, August 4, 2009; maximum gage height, 31.20 feet, Feb. 26, 2018, Backwater.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

WATER TEMPERATURE: October 2009 to current year.

SPECIFIC CONDUCTANCE: October 2014 to current year.

pH: October 2014 to current year.

DISSOLVED OXYGEN: October 2009 to current year.

REMARKS -

EXTREMES FOR PERIOD OF RECORD -

WATER TEMPERATURE: Maximum recorded, 32.6°C, July 7, 2012*; minimum recorded, 0.0°C, January 4, 2010*.

SPECIFIC CONDUCTANCE: Maximum recorded, 3130 microsiemens/cm, Feb. 22, 2015*; minimum recorded, 74 microsiemens/cm, Sept. 8, 2018.

pH: Maximum recorded, 9.0 units, Feb. 3, 2016*; minimum recorded, 5.7 units, August 20, 2018.

DISSOLVED OXYGEN: Maximum recorded, 17.0 mg/L, February 11, 2011; minimum recorded, 0.0 mg/L, many days during period of record.

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

Other extremes may have occurred during periods of non-published record.