USGS Water-Year Summary 2024
392725077582401 Ber-0445
Valley and Ridge aquifers
Beekmantown Group
LOCATION - Lat 39°27'24.2", long 77°58'21.1" referenced to North American Datum of 1983, Berkeley County, WV, Hydrologic Unit 02070004, at John Street and Porter Avenue, Martinsburg.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 154 ft. Upper casing diameter 8 in; top of first opening 10 ft, bottom of last opening 154 ft.
DATUM - Land-surface datum is 467.93 ft above North American Vertical Datum of 1988. Measuring point: Top edge of recorder shelter floor, 3.3 ft above land-surface datum, Nov. 1, 1956 to present.
PERIOD OF RECORD - November 1956 to September 1968 (periodic water level), October 1968 to September 1970 (daily mean water level), October 1970 to September 2000, and October 2003 to current year (daily water level at noon).
GAGE - Water-level recorder and satellite telemeter. No instrumentation prior to October 1968.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 20.09 ft, below land-surface datum, Sept. 10, 2018; lowest, 68.45 ft below land-surface datum, Dec. 7, 1969.