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Water-Year Summary for Site 01556000

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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)  

Water year 2022: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2022
LOCATION - Lat 40°27'47", long 78°12'00" referenced to North American Datum of 1927, Blair County, PA, Hydrologic Unit 02050302, on left bank 10 ft downstream from highway bridge on SR 2015 at Williamsburg, and 2.5 mi upstream from Clover Creek.
DRAINAGE AREA - 291 mi².
REVISIONS HISTORY - WSP 756: Drainage area. WDR PA-71-1: 1954(M), 1960(M), 1961(M). WDR PA-77-2: 1936-39(M).
PERIOD OF RECORD - October 1916 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 831.78 ft above National Geodetic Vertical Datum of 1929 (Penn Central Railroad bench mark). Prior to Aug 14, 1928, nonrecording gage at same site and datum. Satellite and landline 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 Pennsylvania Department of Environmental Protection and the U. S. Geological Survey through the National Streamflow Information Program.
REMARKS - Some regulation at low flow by mill upstream. Records for water years 2014-2016 are good except those for estimated daily discharges, which are poor. Records for water years 2017-2019, 2021 and 2022 are good except for estimated discharge, which is poor. Records for water year 2020 are fair except for estimated discharge, which is poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jun 1, 1889, reached a stage of 19.1 ft, from floodmark, discharge, about 35,500 ft³/s.