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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.
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USGS Water-Year Summary 2025
401637076071501 LN 1351
Early Mesozoic basin aquifers
Hammer Creek Formation
Hammer Creek Formation
LOCATION - Lat 40°16'37.3", long 76°07'14.4" referenced to North American Datum of 1983, Lancaster County, PA, Hydrologic Unit 02050306, at State Game Lands 220, near Blainsport.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 135 ft. Upper casing diameter 6 in; top of first opening 50 ft, bottom of last opening 135 ft. Drilled unused well, cased to 50 ft, open hole.
DATUM - Land-surface datum is 491 ft above North American Vertical Datum of 1988. Measuring point: top of casing; MODIFIED DATE FOR AQ MIGRATION; 03/01/2001, 2.89 ft above land-surface datum, Nov. 29, 1956 to present. Elevation of land surface is from Lidar.
PERIOD OF RECORD - March 8, 2001 to current year.
GAGE - Data collection platform with 15-minute recording interval. Recording interval changed from 60-min to 15-min on Feb 20, 2025. Satellite telemetry at station.
COOPERATION - Site maintained in cooperation with the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
REMARKS - Daily mean water levels are available for this well for the period of record. For some years, daily minimum and daily maximum water levels may also be available from the USGS Pennsylvania Water Science Center Office.
EXTREMES FOR PERIOD OF RECORD - The extremes shown are extremes of the instantaneous depth below land surface for the period of record indicated above. Highest water level, 7.44 ft below land-surface datum, Sep 8, 2011; lowest, 13.86 ft below land-surface datum, Nov 19, 2024.
