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Groundwater levels for the Nation

! Ground water level pages will be decommissioned in early 2026. These gwlevel pages are frozen as of November 18th, 2025. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 414831072173002 CT- MS 80 MANSFIELD, CT

110, Connecticut
Latitude  41°48'30.72", Longitude  72°17'31.58" NAD83
Land-surface elevation 514.76 feet above NAVD88
The depth of the well is 444.0 feet below land surface.
The depth of the hole is 444.0 feet below land surface.
This well is completed in the New York and New England crystalline-rock aquifers (N600NECRSN) national aquifer.
This well is completed in the Non-Carbonate Crystalline Bedrock (300NCBC) local aquifer.

Period of record
Begin Date End Date Levels
2002-11-25 2024-12-30 261

 
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