USGS Water-Year Summary 2024
403006080252301 BV 156
Pennsylvanian aquifers
Conemaugh Formation
LOCATION - Lat 40°30'05.4", long 80°25'19.9" referenced to North American Datum of 1983, Beaver County, PA, Hydrologic Unit 05030101, at Raccoon State Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 101 ft. Upper casing diameter 6.25 in; top of first opening 25 ft, bottom of last opening 101 ft. Drilled observation well, cased to 25 ft, open hole.
DATUM - Land-surface datum is 925 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 2.0 ft above land-surface datum, Nov. 1, 1967 to present; UNKNOWN; TRANSFER MP CREATED FOR MIGRATION, 1.98 ft above land-surface datum, Feb. 26, 2014 to present. Elevation of land surface is from Lidar.
PERIOD OF RECORD - November 1967 to current year.
GAGE - Data collection platform with 60-minute recording interval since Aug. 23, 2001. Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the Pennsylvania Department of Environmental Protection.
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, 6.74 ft below land-surface datum, Sep 17, 18, 2004: lowest, 13.72 ft below land-surface datum, Jun 5, 1968.