MA-LTW 104 LEXINGTON, MA
U.S. Geological Survey
Located in Middlesex County, Massachusetts, this groundwater monitoring location is associated with a water well in the Sand and gravel aquifers (glaciated regions).
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-None ft | 2.0 in diameter none casing | |
| 18.7-20.7 ft | 2.0 in diameter steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-3.0 ft | Gravel | Gravel |
| 3.0-15.0 ft | Sand | Sand |
| 15.0-21.0 ft | Sand | Sand |
| 21.0-22.0 ft | Sand | Sand |
| 22.0-22.5 ft | Till | Till |
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Agency U.S. Geological Survey Site Name MA-LTW 104 LEXINGTON, MA Site Number 422627071154002 Site Type WELL Lat/Long (NAD83) 42.4409, -71.2606 Well Depth 20.7 Feet Elevation (NGVD29) 180.0 ft Latitude 42.4409284666151 Longitude -71.2606122995367 Local Aquifer Name Outwash (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 4.35 2.36 -0.05 1964-12-01 2025-04-17 1377 60.3 1.31 85.5 Statistics Calculated 2025-04-19 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 3.33 2.97 2.65 2.22 1.74 1.43 0.67 58 58 Feb 3.17 2.71 2.37 1.97 1.40 1.0 0.75 56 56 Mar 2.70 2.48 2.16 1.72 1.31 1.07 0.85 59 59 Apr 2.90 2.65 2.43 2.02 1.56 1.17 0.87 60 60 May 3.26 2.89 2.65 2.34 1.86 1.30 0.78 60 60 Jun 3.54 3.44 3.10 2.92 2.16 1.47 0.70 60 60 Jul 4.15 3.73 3.42 3.18 2.69 1.79 1.39 60 60 Aug 4.35 4.05 3.62 3.23 2.92 1.75 1.44 59 59 Sep 4.11 3.67 3.31 3.04 2.35 1.91 1.50 59 59 Oct 3.67 3.50 3.19 2.69 2.15 1.67 0.87 59 59 Nov 3.52 3.12 2.68 2.22 1.79 1.50 0.93 59 59 Dec 3.32 2.97 2.48 2.12 1.62 1.32 0.99 58 58 Statistics Calculated 2025-04-19 -
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