USGS Water-Year Summary 2024
415550070032202 MA-WNW 133-0030 WELLFLEET, MA
Sand and gravel aquifers (glaciated regions)
Stratified Deposits, Undifferentiated
LOCATION - Lat 41°55'50.67", long 70°03'22.75" referenced to North American Datum of 1983, Barnstable County, MA, Hydrologic Unit 01090002,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 29.62 ft. Upper casing diameter 2 in; top of first opening 24.62 ft, bottom of last opening 29.62 ft.
DATUM - Land-surface datum is 13.15 ft above North American Vertical Datum of 1988. Measuring point: Black mark top of PVC casing, 0.34 ft below land-surface datum, Jun. 1, 2017 to present.
PERIOD OF RECORD - June 2017 to August 2022.
GAGE - Electronic submersible pressure sensor recorder.
EXTREMES FOR PERIOD OF RECORD - Highest daily water level, 10.50 ft below land-surface datum, Mar. 08 & 09, 2018; lowest daily water level, 12.35 ft below land surface datum, Sept. 14, 2020.