USGS Water-Year Summary 2024
423506070491401 MA-WPW 76R WENHAM, MA
Sand and gravel aquifers (glaciated regions)
Ice-Contact Deposits, Including Eskers and Kames
LOCATION - Lat 42°35'06", long 70°49'14" referenced to North American Datum of 1983, Essex County, MA, Hydrologic Unit 01090001,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 21.8 ft. Upper casing diameter 2 in; top of first opening 18.8 ft, bottom of last opening 21.8 ft.
DATUM - Land-surface datum is 50.12 ft above North American Vertical Datum of 1988. Measuring point: TRANSFER, 0 ft above land-surface datum, Nov. 1, 1964 to Nov. 2, 2017; Black mark on edge of the metal protective well casing, 2.82 ft above land-surface datum, Nov. 2, 2017 to present; Black mark on edge of the metal protective well casing, 52.94 ft above land-surface datum, Aug. 14, 2019 to present.