USGS Water-Year Summary 2024
400209077183301 CU 2
Piedmont and Blue Ridge crystalline-rock aquifers
Metarhyolite
LOCATION - Lat 40°02'07.0", long 77°18'29.1" referenced to North American Datum of 1983, Cumberland County, PA, Hydrologic Unit 02050305, at Michaux State Forest, near Pine Grove Furnace.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 44 ft. Upper casing diameter 6 in; top of first opening 19 ft, bottom of last opening 42 ft. Drilled unused observation well, cased to 19 ft, open hole.
DATUM - Land-surface datum is 963.64 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.56 ft above land-surface datum, Jun. 20, 1951 to Jun. 2, 1999; top of plywood shelf, 3.29 ft above land-surface datum, Jun. 2, 1999 to present. Elevation of land surface is from survey.
PERIOD OF RECORD - June 1951 to March 1955, instantaneous water levels obtained several times per month. July 1955 to current year.
GAGE - Data collection platform with 15-minute recording interval since April 2023; prior, 60-minute recording interval. Satellite telemetry at station.
COOPERATION - Funding for the operation of this station is provided by the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Prior to October 2000, the extremes shown were based on extremes of the daily maximum depth below land-surface datum. Since that date, the extremes are based on the instantaneous depth below land-surface datum. Highest water level, 8.96 ft below land-surface datum, May 14, 1998; lowest, 33.50 ft below land-surface datum, Feb 3, 1955.