USGS Water-Year Summary 2024
392544076151202 HA Dd 114 MD
Northern Atlantic Coastal Plain aquifer system
Talbot Formation
LOCATION - Lat 39°25'44.52", long 76°15'12.61" referenced to North American Datum of 1983, Harford County, MD, Hydrologic Unit 02060003,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 9.25 ft. Upper casing diameter 1 in; top of first opening 8.25 ft, bottom of last opening 9.25 ft.
DATUM - Land-surface datum is 1.82 ft above North American Vertical Datum of 1988. Measuring point: Top of 4-inch plastic instrument shelter, 0.8 ft above land-surface datum, Oct. 30, 2020 to present.
PERIOD OF RECORD - November 2020 to November 17, 2021.
GAGE -
Water Year 2021 and 2022; records good.
Water-level measurement collected by U.S. Geological Survey personnel.
EXTREMES FOR PERIOD OF RECORD -
Highest water level, 0.47 feet above land surface on December 25, 2020. Lowest, 1.39 feet below land surface on September 28, 2021.