LOCATION--Lat 42°02'59", long 72°58'17", Hampden County, Hydrologic Unit 01080207, at Granville State Forest, 20 ft west of West Hartland Road and 0.9 mi north of state boundary in Granville, MA.
AQUIFER--Sand and gravel, glaciated regions; stratified deposits.
WELL CHARACTERISTICS--Drilled observation water-table well, depth 20.8 ft, screened 18.8 ft to 20.8 ft.
INSTRUMENTATION--Digital recorder with cellular telephone telemeter, February 2014 to current year. Monthly measurements prior to February 2014.
DATUM--Elevation of land-surface datum of well is 1,160 ft above National Geodetic Vertical Datum of 1929, from topographic map. Measuring point: top of floor in shelter, 3.15 ft above land-surface datum.
PERIOD OF RECORD-- November 1964 to current year.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.