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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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USGS Water-Year Summary 2024
01553025 West Branch Susquehanna River at Allenwood, PA
LOCATION - Lat 41°06'29", long 76°53'24" referenced to North American Datum of 1983, Union County, PA, Hydrologic Unit 02050206, on left bank on the upstream side of SR 44 bridge near Allenwood, PA.
DRAINAGE AREA - 6,496 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 2015 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 441.2 ft. above North American Vertical Datum of 1988, from GNSS survey. Prior to Sep 30, 2020, manuscript
stated; "Datum of gage is 455 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. Funding for this station provided by the U.S. Geological Survey.
REMARKS - Flow slightly regulated by 6 flood-control reservoirs, which have a combined capacity of 440,200 acre-ft. Records are good except those for estimated discharge, which are poor.
WATER-QUALITY RECORDS
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 - 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.
