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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
423401071093801 Wilmington well XMW 78
Sand and gravel aquifers (glaciated regions)
Ice-Contact Deposits, Including Eskers and Kames
Ice-Contact Deposits, Including Eskers and Kames
LOCATION - Lat 42°34'00.83", long 71°09'35.88" referenced to North American Datum of 1983, Middlesex County, MA, Hydrologic Unit 01090001, at athletic field formerly known as Whitefield Public School, about 30 ft west of State Highway 62, and 0.3 mi north of Concord Street in Wilmington.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 12 ft. Upper casing diameter undefined; top of first opening 11.58 ft, bottom of last opening 11.58 ft.
DATUM - Land-surface datum is 90.11 ft above North American Vertical Datum of 1988. Measuring point: top edge of hole in base of steel shelter, 0.27 ft above land-surface datum, Jun. 1, 1951 to Jun. 1, 1991; top edge of hole in base of steel shelter, 0.27 ft above land-surface datum, Jun. 1, 1991 to present.
PERIOD OF RECORD - June 1951 to current year.
GAGE - Digital recorder with satellite telemeter at well since February 2001. Continuous graphic recorder, March 1958 to September 1982; digital recorder, October 1984 to current year; monthly measurements prior to March 1958.
COOPERATION - Massachusetts Department of Conservation and Recreation, Office of Water Resources.
REMARKS - Records are good. Periods of missing record are not estimated.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 2.30 ft below land-surface datum, Mar. 30, 2010 (recorded value); lowest, 11.27 ft below land-surface datum, Oct. 30, 1957 (monthly measurement).
