LOCATION--Lat 42^o40'55", long 71^o43'53", Middlesex County, Hydrologic Unit 01070004, well located at the intersection of Dudley Rd and Turnpike Rd, 0.6 mi from Squannacook Rd, in Townsend.
AQUIFER--Sand and gravel, glaciated regions; ice contact deposits aquifer.
WELL CHARACTERISTICS--Augered observation water-table well, diameter 2.0 in, depth 33.9 ft.
INSTRUMENTATION--Data Collection Platform with celluar telephone telemeter, September 2017 to current year. Monthly measurement prior to September 2017.
DATUM--Elevation of land-surface datum is 310 ft above National Geodetic Vertical Datum of 1929, from topographic map.
Measuring point: 3.00 ft, top of casing of aluminum shelter.
PERIOD OF RECORD--November 1963 to current year.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

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