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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.
USGS Water-Year Summary 2024
01428900 PROMPTON RESERVOIR AT PROMPTON, PA
LOCATION - Lat 41°35'18", long 75°19'39" referenced to North American Datum of 1927, Wayne County, PA, Hydrologic Unit 02040103, at dam on West Branch Lackawaxen River, 0.3 mi north of Prompton, 0.4 mi upstream from highway bridge, and 0.5 mi upstream from Van Auken Creek.
DRAINAGE AREA - 59.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1960 to September 2013 (elevation and contents), October 2013 to current year (elevation).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is U. S. Army Corps of Engineers local project datum. Satellite and landline telemetry at station.
COOPERATION - Content tables provided by U. S. Army Corps of Engineers. Station established and maintained by the U.S. Geological Survey. Funding for this station is provided by the U.S. Army Corps of Engineers, Philadelphia District.
REMARKS - Reservoir formed by an earth and rock-fill dam with an non-gated bedrock spillway at elevation 1,205.00 ft. Storage began July 1960. Capacity at elevation 1,205.00 ft is 51,700 acre-ft. Ordinary minimum (conservation) pool is 1,125.00 ft, capacity, 3,420 acre-ft. Reservoir is used for flood control and recreation. Figures given herein represent total contents. Regulation is accomplished through an non-gated tunnel.
EXTREMES FOR PERIOD OF RECORD - Extreme elevations: Maximum elevation 1,156.44 ft, Jun 28, 2006; minimum 1,121.46 ft , Jun 5, 1991.
Extreme contents prior to water year 2014: Maximum contents, 16,360 acre-ft, Jun 28, 2006, elevation, 1,156.44 ft; minimum (after first filling), 2,500 acre-ft, Jun 5, 1991, elevation, 1,121.46 ft.
