USGS Water-Year Summary 2024
400008079142801 SO 2
Pennsylvanian aquifers
Allegheny Group
LOCATION - Lat 40°00'05.1", long 79°14'20.8" referenced to North American Datum of 1983, Somerset County, PA, Hydrologic Unit 05020006, at Laurel Hill State Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 450 ft. Upper casing diameter 4 in; top of first opening 311 ft, bottom of last opening 450 ft.
DATUM - Land-surface datum is 2,040 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of casing, 1.43 ft above land-surface datum, Apr. 1, 1937 to present. Elevation of land surface is from Lidar.
PERIOD OF RECORD - April 1937 to September 2004, January 2006 to current year.
GAGE - Pressure transducer and data logger with 60 minute recording interval.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the Pennsylvania Department of Conservation and Natural Resources, Topographic and Geologic Survey.
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, 27.42 ft below land-surface, Apr 9, 1980; lowest, 50.33 ft below land-surface datum, May 31, 1987 (affected by pumping of nearby well).