USGS Water-Year Summary 2024
410501079524401 BT 311
Pennsylvanian aquifers
Kittanning Formation
LOCATION - Lat 41°05'01.8", long 79°52'44.8" referenced to North American Datum of 1983, Butler County, PA, Hydrologic Unit 05030105, at State Game Land Number 95.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 89 ft. Upper casing diameter 6 in; top of first opening 12 ft, bottom of last opening 89 ft. Drilled observation well, cased to 12 ft, open hole.
DATUM - Land-surface datum is 1,457 ft above North American Vertical Datum of 1988. Measuring point: top of shelf, 3.14 ft above land-surface datum, Mar. 15, 2001 to present. Prior to Mar. 15, 2001, top of casing, 2.30 ft. Elevation of land surface is from Lidar.
PERIOD OF RECORD - November 1970 to current year.
GAGE - Data collection platform with 60-minute recording interval since March 15, 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, 1.12 ft below land-surface datum, March 1, 2018; lowest, 31.06 ft below land-surface datum, Oct 16, 17, 18, 1983.