USGS Water-Year Summary 2024
414219070313601 Sandwich well MA-SDW 525-0109 (MW-126S)
Sand and gravel aquifers (glaciated regions)
Outwash
LOCATION - Lat 41°42'19.13", long 70°31'35.50" referenced to North American Datum of 1927, Barnstable County, MA, Hydrologic Unit 01090002, on Chadwick Road, approximately 160 ft southwest of the intersection of Access Road (J-1 Range) and Chadwick Road, and 30 feet southeast of the centerline of Chadwick Road in the Impact Area of the Massachusetts Military Reservation (MMR), Sandwich, MA.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 109 ft. Upper casing diameter 2.5 in; top of first opening 99 ft, bottom of last opening 109 ft.
DATUM - Land-surface datum is 170.15 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of 2.5-inch PVC casing, 0.72 ft below land-surface datum, Sep. 25, 2000, to present.
PERIOD OF RECORD - January 2002 to current year.
GAGE - Digital recorder with telephone telemeter.
COOPERATION - U.S. Army Environmental Command.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 93.69 ft below land-surface datum, July 16, 17, 18, 2010; lowest, 105.89 ft below land-surface datum, Dec. 4, 2002.