LOCATION--Lat 42^o28^'12^", long 71^o24^'44^", Middlesex County, Hydrologic Unit 01070005, 30 ft north of State Highway 2 and 150 ft east of Wetherbee Street in Acton.
AQUIFER--Sand and gravel, glaciated regions; ice contact deposits aquifer.
WELL CHARACTERISTICS--Augered observation water-table well, diameter 2.0 in., depth 33.8 ft, screened 31.8 to 33.8 ft.
INSTRUMENTATION--Data Collection Platform with satellite telemeter, June 2001 to current year. Monthly measurement prior to June 2001.

DATUM--Elevation of land-surface datum is 153 ft above National Geodetic Vertical Datum of 1929, from topographic map.
PERIOD OF RECORD--January 1965 to current year. Prior to October 1974, published in Massachusetts Hydrologic-Data Report No. 17.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.