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The following table provides general well information for wells in the Massachusetts Observation-Well Network. Values of HIGH (OWmax), LOW, and (OWr) groundwater levels are based on monthly measurements from start year of record through September 30, 2014. The values of OWmax (historical high water level for period of well record) and OWr (maximum annual range for period of well record) are used in conjunction with “Probable High Ground-Water Levels in Massachusetts, USGS Open-File Report, 80-1205” to estimate probable high ground-water levels at sites in Massachusetts.

Values for OWc are the most recent monthly or real-time well readings available in the following web page:
https://groundwaterwatch.usgs.gov/NetMapT1L2.asp?sc=25&ncd=crn

Real-Time groundwater levels are provided at the following link:
https://waterdata.usgs.gov/ma/nwis/current/?type=gw&group_key=county_cd

The report “Probable High Ground-Water Levels in Massachusetts, USGS Open-File Report, 80-1205 is available at the following link:
https://pubs.er.usgs.gov/publication/ofr801205

[Water levels are in feet below land-surface elevation; OWr values are in total feet; * indicates insufficient length of record or problems noted in Remarks for use in estimating water levels]

ACTON (ACW) 158 (real-time data since June 2001)
Start year of record - 1965
Land-surface elevation 153 ft, well depth 33.8 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 13.34, LOW 21.86, (OWr) 5.40

ANDOVER (AJW) 462
Start year of record - 1968
Land-surface elevation 110 ft, well depth 32.5 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - Water level affected by nearby construction starting about January 1993
to about January 1995. This period was not used for determination of OWmax, LOW, or OWr variables noted below.
Period of record - HIGH (OWmax) 11.72, LOW 16.76, (OWr) 3.55

ATTLEBORO (ATW) 83
Start year of record - 1964
Land-surface elevation 145 ft, well depth 20.6 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 1.98, LOW 5.34, (OWr) 2.72

BARNSTABLE (A1W) 231 *
Start year of record - 2012
Land-surface elevation 36 ft, well depth, 35.1 ft
Lithology - SAND
Topographic setting - FLAT
* Remarks - Well has insufficient record to enable use in estimating probable high groundwater levels.
Period of record - HIGH (OWmax) 23.92, LOW 27.99, (OWr) 3.59

BARNSTABLE (A1W) 247
Start year of record - 1962
Land-surface elevation 44.52 ft, well depth 52.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 20.00, LOW 28.64, (OWr) 4.80

BECKET (A3W) 12
Start year of record - 1986
Land-surface elevation 1285 ft, well depth 35.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 1.68, LOW 4.62, (OWr) 2.46

BLANDFORD (BEW) 9
Start year of record - 1986
Land-surface elevation 1140 ft, well depth 15.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 0.91, LOW 4.60, (OWr) 2.57

BOURNE (BHW) 198 (real-time data since May 2012)
Start year of record - 1962
Land-surface elevation 55.56 ft, well depth 50.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 29.57, LOW 36.17, (OWr) 4.80

BREWSTER (BMW) 21
Start year of record - 1962
Land-surface elevation 36.97 ft, well depth 24.8 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 6.90, LOW 13.57, (OWr) 4.91

BREWSTER (BMW) 22 (real-time data since December 2001)
Start year of record - 1962
Land-surface elevation 50.45 ft, well depth 52.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 28.02, LOW 33.83, (OWr) 4.76

CHATHAM (CGW) 138 (real-time data since May 2012)
Start year of record - 1962
Land-surface elevation 35.28 ft, well depth 44.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 20.94, LOW 26.38, (OWr) 6.60

CHESHIRE (CJW) 2
Start year of record - 1951
Land-surface elevation 1210 ft, well depth 22.0 ft
Lithology - TILL
Topographic setting - HILLTOP
Remarks - Water level may be affected by nearby pumping during summer period
Period of record - HIGH (OWmax) 0.09, LOW 19.83, (OWr) 17.14

CHICOPEE (CMW) 95
Start year of record - 1984
Land-surface elevation 200 ft, well depth 34.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 19.40, LOW 24.40, (OWr) 3.31

COLRAIN (CSW) 8
Start year of record - 1965
Land-surface elevation 460 ft, well depth 32.3 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - Water level affected by North River
Period of record - HIGH (OWmax) 14.62, LOW 23.48, (OWr) 9.87

CONCORD (CTW) 165
Start year of record - 1965
Land-surface elevation 201.12 ft, well depth 66.7 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 35.09, LOW 47.10, (OWr) 5.12

CONCORD (CTW) 167
Start year of record - 1965
Land-surface elevation 135 ft, well depth 24.8 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 4.40, LOW 11.46, (OWr) 6.03

CUMMINGTON (CYW) 13
Start year of record - 1986
Land-surface elevation 988 ft, well depth 39.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 2.10, LOW 6.59, (OWr) 4.42

DEDHAM (DDW) 231
Start year of record - 1965
Land-surface elevation 65 ft, well depth 21.9 ft
Lithology - TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 2.45, LOW 15.95, (OWr) 12.67

DEERFIELD (DFW) 44
Start year of record - 1965
Land-surface elevation 140 ft, well depth 27.6 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 1.42, LOW 6.54, (OWr) 4.68

DOVER (DVW) 10 *
Start year of record - 1965
Land-surface elevation 160 ft, well depth 54.0 ft
Lithology - SAND
Topographic setting - TERRACE
* Remarks - not recommended for use in high ground-water estimation process; too deep.
Period of record - HIGH (OWmax) 29.02, LOW 36.87, (OWr) 5.65

DUXBURY (D4W) 79 (real-time data since July 2001)
Start year of record - 1965
Land-surface elevation 55 ft, well depth 23.5 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 5.86, LOW 10.68, (OWr) 4.11

DUXBURY (D4W) 80 *
Start year of record - 1965
Land-surface elevation 65 ft, well depth 181 ft
Lithology - ROCK
Topographic setting - VALLEY
* Remarks - (not recommended for use in estimating water levels; bedrock aquifer)
Period of record - HIGH (OWmax) 18.98, LOW 24.02, (OWr) 3.85

EAST BRIDGEWATER (EBW) 30
Start year of record - 1958
Land-surface elevation 85 ft, well depth 24.0 ft
Lithology - TILL
Topographic setting - HILLTOP
Remarks - none
Period of record - HIGH (OWmax) 2.18, LOW 17.83, (OWr) 14.41

EDGARTOWN (ENW) 52
Start year of record - 1976
Land-surface elevation 34 ft, well depth 64.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 12.93, LOW 20.95, (OWr) 5.52

FREETOWN (F3W) 23
Start year of record - 1964
Land-surface elevation 38 ft, well depth 42.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - Water level affected by tide
Period of record - HIGH (OWmax) 8.72, LOW 15.70, (OWr) 4.96

GEORGETOWN (GCW) 168
Start year of record - 1965
Land-surface elevation 80 ft, well depth 21.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 2.25, LOW 6.65, (OWr) 3.92

GRANBY (GKW) 68
Start year of record - 1954
Land-surface elevation 239.17 ft, well depth 18.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 4.25, LOW 11.17, (OWr) 5.83

GRANVILLE (GLW) 5
Start year of record - 1965
Land-surface elevation 675 ft, well depth 67.7 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 28.06, LOW 37.20, (OWr) 5.99

GRANVILLE (GLW) 6 (real-time data since February 2014)
Start year of record - 1965
Land-surface elevation 1160 ft, well depth 20.8 ft
Lithology - SAND
Topographic setting - HILLSIDE
Remarks - Water level affected by Halfway Brook
Period of record - HIGH (OWmax) 2.43, LOW 9.04, (OWr) 6.55

GREAT BARRINGTON (GMW) 2
Start year of record - 1951
Land-surface elevation 732 ft, well depth 16.0 ft
Lithology - TILL
Topographic setting - VALLEY
Remarks - Water level affected by stream
Period of record - HIGH (OWmax) 3.99, LOW Dry, (OWr) 9.07

HANSON (HGW) 76
Start year of record - 1964
Land-surface elevation 71 ft, well depth 26.6 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - Water level affected by Wampatuck Pond
Period of record - HIGH (OWmax) 2.50, LOW 6.53, (OWr) 3.23

HARDWICK (HHW) 1
Start year of record - 1965
Land-surface elevation 580 ft, well depth 33.2 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 9.17, LOW 18.00, (OWr) 7.71

HAVERHILL (HLW) 23 (real-time data since March 2014)
Start year of record - 1960 (daily water-level record October 1984 to present)
Land-surface elevation 105 ft, well depth 15.10 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 4.75, LOW 15.02 (from daily record), (OWr) 9.50

HAWLEY (HMW) 8
Start year of record - 1986
Land-surface elevation 1,700 ft, well depth 17.0 ft
Lithology - TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 1.87, LOW 6.92, (OWr) 4.22

LAKEVILLE (LKW) 14 (real-time data since September 2001)
Start year of record - 1964 (daily water-level record July 1986 to present)
Land-surface elevation 105 ft, well depth 41.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 5.32, LOW 23.59, (OWr) 10.62

LEXINGTON (LTW) 104
Start year of record - 1965
Land-surface elevation 180 ft, well depth 20.7 ft
Lithology - SAND
Topographic setting - VALLEY (Marsh)
Remarks - none
Period of record - HIGH (OWmax) -0.05 (above land surface), LOW 4.35, (OWr) 3.81

MASHPEE (MIW) 29
Start year of record - 1976
Land-surface elevation 15.78 ft, well depth 40.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 5.62, LOW 10.03, (OWr) 3.66

MIDDLEBOROUGH (MTW) 82
Start year of record - 1965
Land-surface elevation 45 ft, well depth 26.5 ft
Lithology - TILL
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 1.50, LOW 17.58, (OWr) 15.49

MONTGOMERY (M7W) 19
Start year of record - 1986
Land-surface elevation 1060 ft, well depth 18.0 ft
Lithology - SAND
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) -0.68 (above land surface), LOW 4.31, (OWr) 4.24

NANTUCKET (NBW) 228
Start year of record - 1976
Land-surface elevation 39 ft, well depth 35.6 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 20.51, LOW 27.90, (OWr) 4.70

NEW BEDFORD (NGW) 116
Start year of record - 1964
Land-surface elevation 65 ft, well depth 27.3 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 2.31, LOW 5.20, (OWr) 2.71

NEWBURY (NIW) 27 (real-time data since December 2013)
Start year of record - 1965 (daily water-level record October 1984 to present)
Land-surface elevation 55 ft, well depth 19.8 ft
Lithology - SAND/TILL
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 0.94, LOW 12.68, (OWr) 10.47

NORFOLK (NNW) 27 (real-time data since August 2001)
Start year of record - 1965
Land-surface elevation 160 ft, well depth 18.4 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 3.48, LOW 7.99, (OWr) 3.56

NORTHBRIDGE (NXW) 54
Start year of record - 1984
Land-surface elevation 370 ft, well depth 12.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 2.41, LOW 5.14, (OWr) 2.03

NORTON (N4W) 37
Start year of record - 1964
Land-surface elevation 105 ft, well depth 19.5 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 2.35, LOW 11.39, (OWr) 7.85

ORANGE (ORW) 63
Start year of record - 1985
Land-surface elevation 530 ft, well depth 20.6 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 3.81, LOW 8.81, (OWr) 4.46

OTIS (OTW) 7
Start year of record - 1965
Land-surface elevation 1145 ft, well depth 17.5 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - Water level affected by Minor Brook and Farmington River
Period of record - HIGH (OWmax) 4.55, LOW 10.16, (OWr) 5.61

PELHAM (PDW) 23 * (real-time data since July 2001)
Start year of record - 1984 (daily water-level record October 1991 to present)
Land-surface elevation 939 ft, well depth 740 ft
Lithology - ROCK (not recommended for use in estimating water levels)
Topographic setting - HILLSIDE
* Remarks - Water level affected by unknown pumping, regulation, or construction
Period of record -HIGH(OWmax) 9.44, LOW 24.04, (OWr) 11.81

PELHAM (PDW) 24
Start year of record - 1984
Land-surface elevation 940 ft, well depth 25.0 ft
Lithology - SAND
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 1.25, LOW 8.39, (OWr) 5.64

PETERSHAM (PHW) 16 (real-time data since May 2012)
Start year of record - 1984
Land-surface elevation 790 ft, well depth 39.0 ft
Lithology - TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 4.71, LOW 16.93, (OWr) 10.74

PITTSFIELD (PTW) 51 (real-time data since July 2001)
Start year of record - 1963 (daily water-level record July 1986 to present)
Land-surface elevation 1050 ft, well depth 31.5 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 12.30, LOW 27.57, (OWr) 12.12

PLYMOUTH (PWW) 22 (real-time data since November 2014)
Start year of record - 1956
Land-surface elevation 145 ft, well depth 40.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 18.30, LOW 28.99, (OWr) 6.82

PLYMOUTH (PWW) 494
Start year of record - 1985
Land-surface elevation 129 ft, well depth 47.0 ft
Lithology - SAND
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 23.27, LOW 33.23, (OWr) 4.28

SANDWICH (SDW) 252
Start year of record - 1962
Land-surface elevation 53.47 ft, well depth 57.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 45.59, LOW 48.23, (OWr) 1.88

SANDWICH (SDW) 253 (real-time data since May 2012)
Start year of record - 1962
Land-surface elevation 111.20 ft, well depth 70.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 45.78, LOW 55.05, (OWr) 4.53

SEEKONK (SHW) 275 (real-time data since May 2012)
Start year of record - 1964
Land-surface elevation 21 ft, well depth 14.4 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 4.73, LOW 8.02, (OWr) 2.60

SHEFFIELD (SJW) 58 (real-time data since November 2013)
Start year of record - 1987
Land-surface elevation 680 ft, well depth 32.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 9.82, LOW 17.16, (OWr) 4.94

SOUTHBOROUGH (SSW) 12
Start year of record - 1990
Land-surface elevation 450 ft, well depth 20.0 ft
Lithology - TILL
Topographic setting - HILLTOP
Remarks - none
Period of record - HIGH (OWmax) 0.84, LOW 17.53, (OWr) 15.33

STERLING (SYW) 1
Start year of record - 1947
Land-surface elevation 710 ft, well depth 15.0 ft
Lithology - TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 0.71, LOW 15.00 (dry), (OWr) 11.96

STERLING (SYW) 177
Start year of record - 1995
Land-surface elevation 505 ft, well depth 24.4 ft
Lithology - SAND AND GRAVEL (revised)
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 12.40, LOW 16.61, (OWr) 3.57

SUNDERLAND (S6W) 68
Start year of record - 1983
Land-surface elevation 160 ft, well depth 28.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 1.09, LOW 5.41, (OWr) 3.75

TAUNTON (TAW) 337
Start year of record - 1964
Land-surface elevation 50 ft, well depth 20.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - Water level affected by Mill River
Period of record - HIGH (OWmax) 5.96, LOW 10.93, (OWr) 5.95

TEMPLETON (TMW) 3
Start year of record - 1957
Land-surface elevation 900 ft, well depth 13.8 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 1.99, LOW 5.10, (OWr) 2.36

TOPSFIELD (TQW) 1
Start year of record - 1936
Land-surface elevation 130 ft, well depth 22.5 ft
Lithology - TILL
Topographic setting - HILLTOP
Remarks - none
Period of record - HIGH (OWmax) 5.22, LOW 17.52, (OWr) 11.74

TOWNSEND (TRW) 13
Start year of record - 1965
Land-surface elevation 313 ft, well depth 32.9 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 9.21, LOW 17.41, (OWr) 4.83

TRURO (TSW) 89 (real-time data since November 2014)
Start year of record - 1962
Land-surface elevation 16.63 ft, well depth 21.7 ft
Lithology - SAND
Topographic Setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 10.20, LOW 12.96 (OWr) 2.20

WAKEFIELD (WAW) 38 (real-time data since July 2001)
Start year of record - 1965
Land-surface elevation 80 ft, well depth 25.5 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 2.92, LOW 9.99, (OWr) 6.33

WAREHAM (WFW) 51
Start year of record - 1959
Land-surface elevation 21 ft, well depth 12.5 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 3.28, LOW 12.5 (dry), (OWr) 7.52

WAYLAND (WKW) 2 (real-time data since October 2010)
Start year of record - 1965
Land-surface elevation 157.75 ft, well depth 33.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 13.39, LOW 18.10, (OWr) 3.70

WEBSTER (WLW) 1
Start year of record - 1958
Land-surface elevation 500 ft, well depth 27.0 ft
Lithology - SAND
Topographic setting - HILLTOP
Remarks - none
Period of record - HIGH (OWmax) 10.28, LOW 17.91, (OWr) 6.50

WELLFLEET (WNW) 17 (real-time data since May 2012)
Start year of record - 1962
Land-surface elevation 19.10 ft, well depth 42.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 7.27, LOW 12.75, (OWr) 4.63

WENHAM (WPW) 76 (real-time data since May 2012)
Start year of record - 1965
Land-surface elevation 60 ft, well depth 22.0 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 0.39, LOW 4.65, (OWr) 3.83

WEST BOYLSTON (WSW) 26 (real-time data since May 2012)
Start year of record - 1995
Land-surface elevation 485 ft, well depth 16.8 ft
Lithology - SAND
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 1.19, LOW 11.64, (OWr) 10.18

WEST BROOKFIELD (WUW) 2
Start year of record - 1959
Land-surface elevation 630 ft, well depth 43.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 15.79, LOW 23.63, (OWr) 3.36

WESTHAMPTON (WXW) 20
Start year of record - 1986
Land-surface elevation 1175 ft, well depth 42.0 ft
Lithology - SAND/TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 4.17, LOW 18.60, (OWr) 12.62

WESTFIELD (WVW) 62
Start year of record - 1957
Land-surface elevation 210 ft, well depth 22.0 ft
Lithology - SAND
Topographic setting - HILLSIDE
Remarks - Water level affected by pumping
Period of record - HIGH (OWmax) 3.70, LOW 22.0 (dry), (OWr) 8.27

WESTFIELD (WVW) 152
Start year of record - 1986
Land-surface elevation 215.69 ft, well depth 16.0 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 1.53, LOW 4.72, (OWr) 1.68

WESTFORD (WWW) 160
Start year of record - 2001
Land-surface elevation 218.88 ft, well depth 25.5 ft
Lithology - SAND
Topographic setting - VALLEY
Remarks - none
Period of record - HIGH (OWmax) 9.56, LOW 13.23, (OWr) 3.51

WEYMOUTH (XGW) 2
Start year of record - 1965
Land-surface elevation 180 ft, well depth 30.0 ft
Lithology - TILL
Topographic setting - FLAT
Remarks - Water level affected by pumping
Period of record - HIGH (OWmax) 4.57, LOW 22.63, (OWr) 16.18

WEYMOUTH (XGW) 4
Start year of record - 1965
Land-surface elevation 90 ft, well depth 22.6 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 3.34, LOW 10.45, (OWr) 4.60

WILBRAHAM (XJW) 55
Start year of record - 1965
Land-surface elevation 255 ft, well depth 62.5 ft
Lithology - SAND
Topographic setting - TERRACE
Remarks - none
Period of record - HIGH (OWmax) 30.15, LOW 45.44, (OWr) 14.62

WILMINGTON (XMW) 78 (real-time data since February 2001)
Start year of record - 1951 (daily water-level record October 1984 to present)
Land-surface elevation 95 ft, well depth 12.0 ft
Lithology - SAND
Topographic setting - FLAT
Remarks - none
Period of record - HIGH (OWmax) 2.28 (recorder), LOW 11.27, (OWr) 7.84

WINCHENDON (XNW) 13
Start year of record - 1939
Land-surface elevation 1209.36 ft, well depth 13.5 ft
Lithology - TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 1.86, LOW 13.50, (OWr)10.82

WINCHESTER (XOW) 14
Start year of record - 1940
Land-surface elevation 116.29 ft, well depth 17.0 ft
Lithology - TILL
Topographic setting - HILLSIDE
Remarks - none
Period of record - HIGH (OWmax) 4.03, LOW 15.60, (OWr) 11.02