USGS Water-Year Summary for Site 03293530

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

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

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USGS Water-Year Summary 2023

03293530 MUDDY FORK AT MOCKINGBIRD VALLEY ROAD AT LOUISVILLE, KY

LOCATION - Lat 38°16'35", long 85°41'37" referenced to North American Datum of 1927, Jefferson County, KY, Hydrologic Unit 05140101, at culvert on Mockingbird Valley Road at Louisville, 0.5 miles west of Indian Hills subdivision, 1.0 mile north of St. Matthews, and at mile 1.5.

DRAINAGE AREA - 6.20 mi².

REVISIONS HISTORY - WDR-KY-11-01: 2005-2010 (Annual Mean). The annual mean for water years 2005-2010 have been revised. They supersede figures published in reports from 2005-2010. Statistics have been computed from 2005 to current year due to the break in record in 2004.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 2002 to September 2003. October 2005 to current year.

GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 424.62 feet above NGVD of 1929. Prior to October 2004 at datum 0.79 feet lower.

COOPERATION - Louisville and Jefferson County Metropolitan Sewer District.

EXTREMES FOR PERIOD OF RECORD - Maximum Discharge, 2040 ft³s, Aug. 4, 2009; gage height, 18.69 ft. on 02/26/2018, is an estimate based on record for 03292475 (Goose Creek at Hwy 42).

WATER-QUALITY RECORDS

PERIOD OF RECORD -

WATER TEMPERATURE: September 2006 to current year.

DISSOLVED OXYGEN: September 2006 to current year.

SPECIFIC CONDUCTANCE: October 2014 to current year.

PH: October 2014 to current year.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 2000 microsiemens/cm, February 7, 2018; minimum recorded, 65 microsiemens/cm, September 8, 2018.

pH: Maximum recorded, 9.5 units, September 15, 2018; minimum recorded, 6.6 units, June 18, 2019.

WATER TEMPERATURE: Maximum recorded, 28.9°C, August 9, 2007; minimum recorded, -0.2°C, February 6-11, 2007, December 21-23, 2008, January 15-17, 19-22, 25-28, 31, and February 4-5, 2009.

DISSOLVED OXYGEN: Maximum recorded, 22.8 mg/L, March 2, 2010; minimum recorded, 0.6 mg/L, November 5, 2016*.

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

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