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Water-Year Summary for Site 03042000

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  • 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(Max.,Mean,Min.)  
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
03042000 BLACKLICK CREEK AT JOSEPHINE, PA
LOCATION - Lat 40°28'37", long 79°11'13" referenced to North American Datum of 1927, Indiana County, PA, Hydrologic Unit 05010007, on left bank on downstream side of Josephine bridge on Old Indiana Road, 0.5 mi upstream from Two Lick Creek, and 5 mi northeast of Blairsville.
DRAINAGE AREA - 193 mi².
REVISIONS HISTORY -

WSP 1385: 1952-54 (M). WDR PA-78-3: 1977 (M). WDR-US-2010: Drainage Area

Revisions: Prior to December 14, 2023, the datum of gage was erroneously reported as 954.46 ft above North American Vertical Datum of 1988

SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1952 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 964.5 ft above North American Vertical Datum of 1988. Prior to October 1, 2009, gage located 0.4 miles upstream at datum 11.32 feet higher (located at Lat 40°28'24" Long 79°11'01"). Prior to Aug 25, 1953, non-recording gage at same site and datum.  Prior to December 14, 2023, the datum of gage was erroneously reported as 954.46 ft above North American Vertical Datum of 1988.  The datum of gage prior to October 1, 2009 was reported as 21.36 ft higher.  Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.
REMARKS - Discharge fluctuations at low flow may be caused by mine pumpage above station.  Records are good except those for estimated discharges, which are poor.
WATER-QUALITY RECORDS
PERIOD OF RECORD - November 2012 to current year.
PERIOD OF DAILY RECORD - October 2013 to current year.
INSTRUMENTATION - Water temperature probe, collecting data at 15-minute interval.
REMARKS -

Interruptions in records were due to equipment malfunctions.

Historically, water temperatures below 0 degrees Celsius were not reported. Water temperature sensors now have the ability to accurately read water temperatures below 0 degrees Celsius. 

Cross-sectional water quality data is available upon request.

For water year 2014, records for water temperature are rated fair. For water year 2015, records for water temperature are rated fair. For water year 2016, records for water temperature are rated fair. For water year 2017, records for water temperature are rated good.For water year 2018, records for water temperature are rated fair. Beginning water year 2019, water quality records are not rated "excellent", "good", "fair", or "poor".

All surface water records may be considered good unless noted as estimated, which are rated poor. All records above 8 feet of gage height are also rated poor due to uncertainty in the upper portion of the discharge rating, and the need for further high flow measurements for rating definition. 

EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 31.1° C, July 28, 2013; minimum,-0.2° C December 18, 2017