MA-AJW 462 ANDOVER, MA
U.S. Geological Survey
Located in Essex County, Massachusetts, this groundwater monitoring location is associated with a water well in the Sand and gravel aquifers (glaciated regions).
Well Construction
| Depth | Description | |
|---|---|---|
| -2.0-32.5 ft | 1.25 in diameter none casing | |
| 30.5-32.5 ft | 1.25 in diameter steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-15.0 ft | Sand | Sand |
| 15.0-35.5 ft | Sand | Sand |
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Agency U.S. Geological Survey Site Name MA-AJW 462 ANDOVER, MA Site Number 423641071102501 Site Type WELL Lat/Long (NAD27) 42.6115, -71.1731 Well Depth 32.5 Feet Elevation (NGVD29) 110.0 ft Latitude 42.6114815722105 Longitude -71.1731123587576 Local Aquifer Name Stratified Deposits, Undifferentiated (None) National Aquifer Name Sand and gravel aquifers (glaciated regions) (N100GLCIAL) Aquifer Type UNCONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network Additional info Link 1 -
Activity Start Date Activity Start Time Characteristic Name Measure Value Units Detection Limit Value Type Sample Fraction Method Name Analytical Method System Sample Method ID Sample Method ID Context Sample Method Name Activity Type Code Data Provided By -
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How do we calculate statistics?
Overall Water Level Statistics (Depth to water, feet below land surface) Lowest Water Level Median Water Level Highest Water Level First Measurement Date Last Measurement Date Number of Measurements Years of Record Latest Value Latest Percentile 22.56 14.85 11.72 1977-03-30 2026-04-15 996 49.1 15.22 12.00 Statistics Calculated 2026-04-17 Monthly Water Level Statistics (Depth to water, feet below land surface) Month Lowest Median 10th Percentile 25th Percentile 50th Percentile 75th Percentile 90th Percentile Highest Median Number of Measurements Years of Record Jan 18.66 15.71 15.50 14.90 14.33 13.68 12.77 47 47 Feb 19.75 15.75 15.45 14.86 14.14 13.89 12.90 47 47 Mar 17.22 15.35 14.93 14.38 13.89 13.37 11.83 48 48 Apr 18.63 15.36 14.76 14.18 13.94 13.15 11.90 48 48 May 20.76 15.48 14.85 14.41 14.00 13.33 12.63 48 48 Jun 21.60 15.80 15.03 14.67 14.26 13.52 11.72 48 48 Jul 22.56 16.13 15.37 14.99 14.63 13.89 12.90 49 49 Aug 21.75 16.50 15.66 15.17 14.73 14.32 13.42 48 48 Sep 20.67 16.31 15.86 15.37 14.96 14.27 13.61 46 46 Oct 20.70 16.38 15.83 15.45 14.56 14.13 13.63 47 47 Nov 20.30 16.34 15.79 15.24 14.50 14.01 13.68 49 49 Dec 16.94 16.22 15.73 14.77 14.26 13.68 12.35 47 47 Statistics Calculated 2026-04-17 -
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