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Water-Year Summary for Site 01566000

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 40°30'55", long 77°25'10" referenced to North American Datum of 1927, Juniata County, PA, Hydrologic Unit 02050304, at single-span bridge on SR 3008, 2.0 mi southwest of Port Royal, and 3.5 mi upstream from mouth.
DRAINAGE AREA - 214 mi².
PERIOD OF RECORD - October 1910 to September 1958; October 1981 to September 1987, low-flow partial record; October 1987 to September 1990, crest-stage partial-record; October 1991 to September 1995, miscellaneous measurements; October 1995 to September 2001, crest-stage partial-record and miscellaneous measurements. October 2001 to current year, continuous record.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 420.47 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the Pennsylvania Department of Environmental Protection.
REMARKS - Records for water years 2014-2016 are good except those for daily discharges less than 20 ft³/s and greater than 7000 ft³/s, which are fair, and those for estimated daily discharges, which are poor. Records for water year 2017 are good except those for discharges less than 20 ft³/s and greater than 7000 ft³/s, which are fair, and estimated discharge, which is poor. Records for water years 2018-2020 are good except for estimated discharge, which is poor. Records for water year 2021 are fair except for estimated discharge, which is poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known prior to 1911, 20.5 ft, Jun 1, 1889 (backwater from Juniata River). Flood of Jun 23, 1972, reached a stage of 25.10 ft, discharge not determined.