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Water-Year Summary for Site 01554000

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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)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 40°50'04", long 76°49'37" referenced to North American Datum of 1927, Snyder County, PA, Hydrologic Unit 02050301, on right bank in borough of Shamokin Dam, on grounds of Sunbury Generation LP, 1.0 mi downstream from Shamokin Creek, 1.5 mi downstream from Sunbury Fabridam, and 1.8 mi south of Sunbury.
DRAINAGE AREA - 18,300 mi². (excluding that of Shamokin Creek).
REVISIONS HISTORY - WSP 891: 1936(M). WDR PA-79-2: 1978(M).
PERIOD OF RECORD - October 1937 to current year. June 1918 to September 1918 (gage heights only), in reports of Pennsylvania Department of Forests and Waters.
GAGE - Water-stage recorder. Datum of gage is 407.90 ft above North American Vertical Datum of 1988.  See WSP 1903 for history of changes prior to Dec 13, 1937. Dec 13, 1937, to Mar 23, 1967, water-stage recorder at site 1.7 mi upstream at datum 11.05 ft higher. Satellite and landline telemetry at station.  Prior to November 9, 2022, the datum of gage was reported as 408.61 ft above NGVD29.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for this station is provided by the Pennsylvania Department of Environmental Protection, the City of Sunbury Municipal Authority and the U.S. Geological Survey.
REMARKS - Flow slightly regulated by 14 flood-control reservoirs which have a capacity of about 809,000 acre-ft, and during low flow by Fabridam, forming Lake Augusta located 1.5 mi upstream. Records for water years 2014-2016 are good except those for estimated daily discharges, which are poor. Records for water years 2017-2021 are good except for estimated discharge, which is poor. Record for water year 2022 is fair except for estimated discharge, which is poor.