USGS Water-Year Summary 2024
413801070322703 MA-FSW 239-0121
Sand and gravel aquifers (glaciated regions)
Outwash
LOCATION - Lat 41°38'01.28", long 70°32'28.33" referenced to North American Datum of 1927, Barnstable County, MA, Hydrologic Unit 01090002, on western shore of Ashumet Pond, about 50 ft south of boat ramp near Falmouth.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 121.01 ft. Upper casing diameter 2.00 in; top of first opening 119.04 ft, bottom of last opening 121.01 ft.
DATUM - Land-surface datum is 51.47 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of 2-in PVC casing, 1.50 ft above land-surface datum, July 14, 1993, to present.
PERIOD OF RECORD - August 2008 to current year.
GAGE - Digital recorder with telephone telemeter.
COOPERATION - Air Force Center for Engineering and the Environment.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 3.16 ft below land-surface datum, Apr. 26, 2010; lowest, 7.72 ft below land-surface datum, Sept. 30, 2014.