USGS Water-Year Summary 2024
422627071154002 Lexington well LTW 104
Sand and gravel aquifers (glaciated regions)
Outwash
LOCATION - Lat 42°26'27", long 71°15'40" referenced to North American Datum of 1927, Middlesex County, MA, Hydrologic Unit 01090001, Located approximately 0.22 mi south of Route 2A and 0.11 mi west of Interstate 95 in Lexington.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 20.7 ft. Upper casing diameter 2 in; top of first opening 18.7 ft, bottom of last opening 20.7 ft.
DATUM - Land-surface datum is 180 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of well casing, 4.5 ft above land-surface datum, Dec. 1, 1964 to present.
PERIOD OF RECORD - December 1964 to current year.
GAGE - Groundwater levels, monthly measurement; Precipitation, heated tipping-bucket precipitation gage.
COOPERATION - Massachusetts Department of Environmental Protection, Office of Watershed Management; Massachusetts Department of Conservation and Recreation, Water Resources Commission.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 2007 to September 2012.