USGS Water-Year Summary 2024
412823079030601 FO 11
Pennsylvanian aquifers
Clarion Formation
LOCATION - Lat 41°28'24.5", long 79°03'03" referenced to North American Datum of 1983, Forest County, PA, Hydrologic Unit 05010005,
in Allegheny National Forest.
UTM: 41.473472, -79.050833
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 110 ft. Upper casing diameter 6 in; top of first opening 23 ft, bottom of last opening 110 ft. Drilled observation well, cased to 23 ft, open hole.
DATUM - Land-surface datum is 1,779 ft above North American Vertical Datum of 1988. Measuring point: top of plywood table; MODIFIED DATE FOR AQ MIGRATION; 06/07/2001, 1.46 ft above land-surface datum, Oct. 23, 1973 to present. Prior to June 7, 2001, top of casing, 1.40 ft above land-surface datum. Elevation of land surface is from Lidar.
PERIOD OF RECORD - August 1973 to current year.
GAGE - Data collection platform with 60-minute recording interval since June 7, 2001. Satellite telemetry at station
COOPERATION - Site maintained in cooperation with the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Prior to October 2000, the extremes 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, 6.30 ft below land-surface datum, March 29, 2020; lowest, 12.07 ft below land-surface datum, Sep 18, 19, 1982.