USGS Water-Year Summary 2024
384153076503801 PG Fd 81
Northern Atlantic Coastal Plain aquifer system
Brandywine Formation
LOCATION - Lat 38°41'53.02", long 76°50'37.72" referenced to North American Datum of 1983, Prince George's County, MD, Hydrologic Unit 02070011,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 25 ft. Upper casing diameter 2 in; top of first opening 8 ft, bottom of last opening 25 ft.
DATUM - Land-surface datum is 238.08 ft above North American Vertical Datum of 1988. Measuring point: Notch in 2in PVC, 1.73 ft above land-surface datum, Oct. 3, 2017 to present.
PERIOD OF RECORD - October 2017 to present.
GAGE - Water-level recorder. Funding provided by U.S. Air Force.
EXTREMES FOR PERIOD OF RECORD - The extremes for the period of record are 5.31 ft. below land surface (max, February 24, 2019) to 15.16 feet below land surface (min, Jan. 10, 2018).