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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
420259072581701 Granville well GLW 6
Sand and gravel aquifers (glaciated regions)
Stratified Deposits, Undifferentiated
Stratified Deposits, Undifferentiated
LOCATION - Lat 42°02'59", long 72°58'17" referenced to North American Datum of 1927, Hampden County, MA, Hydrologic Unit 01080207, at Granville State Forest, 20 ft west of West Hartland Road and 0.9 mi north of state boundary in Granville.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 20.8 ft. Upper casing diameter 2.00 in; top of first opening 18.8 ft, bottom of last opening 20.8 ft.
DATUM - Land-surface datum is 1,160 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of floor in shelter after re-installing shelter with firmer base, 3.12 ft above land-surface datum, May 22, 2014, to present.
PERIOD OF RECORD - November 1964 to current year.
GAGE - Digital recorder with telephone telemeter. Monthly measurements prior to February 2014.
COOPERATION - Massachusetts Department of Conservation and Recreation, Office of Water Resources.
REMARKS - Water level affected by Halfway Brook. Periods of missing record are not estimated.
PERIOD OF DAILY RECORD - February 2014 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 2.14 ft below land-surface datum, May 1, 2014; lowest, 9.04 ft below land-surface datum, Aug. 24, 2010.
