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Water-Year Summary for Site 01564895

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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.
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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2021
LOCATION - Lat 40°35'40", long 77°34'58" referenced to North American Datum of 1927, Mifflin County, PA, Hydrologic Unit 02050304, on left bank 1,200 ft upstream from Kishacoquillas Creek.
DRAINAGE AREA - 2,519 mi².
PERIOD OF RECORD - Continuous-record gaging station April 2016 to current year. Operated as a Continuous record, annual peak site (Annual maximum only) 1989 through March 2016.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 443.83 ft above National Geodetic Vertical Datum of 1929. Satellite and landline telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for this station is provided by the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
REMARKS - Prior to 2017WY, peak stage and discharge can be obtained by accessing Surface-water: Peak streamflow from the SUMMARY OF ALL AVAILABLE DATA.  Records for water years 2017-2019 are good except estimated discharge, which is poor. Records for water year 2020 are fair except estimated discharge, which is poor.
EXTREMES FOR PERIOD OF RECORD - Discharge, 74,600 ft³/s, gage height, 31.68 ft, Sep 19, 2004.
PERIOD OF RECORD - June 2008 to current year.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the Pennsylvania Fish and Boat Commission and PPL Corporation, LLC.
REMARKS - As of October 2013, results from discrete water quality samples collected at this site are available through the U.S. Geological Survey National Water Information System web interface on the "Water Quality for the Nation" webpage. Analyses for pH, water temperature, specific conductance, and dissolved oxygen were performed on site. Inorganic sample analyses were performed at the Pennsylvania Department of Environmental Protection laboratory in Harrisburg, Pa. Occasionally, values for filtered parameters may exceed values for the corresponding unfiltered parameter. These results are within the limits of analytical precision and methods. Medium code explanation: SB=bottom material; WS=surface water. Explanations of sample information parameters are available in the Documentation section of this Annual Report. Explanations of sample information codes are available from the USGS NWISWeb Help System pages.