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Water-Year Summary for Site 03084800

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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
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 40°24'19", long 79°49'41" referenced to North American Datum of 1927, Allegheny County, PA, Hydrologic Unit 05020005,

At bridge at intersection of Tri-Boro Expressway (Rt. 130), and Thompson Street, and 1,400 ft upstream of mouth.


PERIOD OF RECORD - May 2004 to October 2009, May 2010 to September 2014 (continuous discharge); October 2014 to current year (gage height only).
GAGE - Water-stage recorder and crest-stage gage. Non-recording gage June 11, 1979 to Aug 15, 1981. Datum of gage is 750 ft above National Geodetic Vertical Datum of 1929, from topographic map. Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Pittsburgh District.

Records for water year 2014 are good except those for estimated daily discharges, which are poor. Starting in October 2014, only gage height is published.

Records for Water Year 2018 are rated as good.  Records for Water Year 2019 are rated as fair.