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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 374012105410401 NA04001232BAA RG42

Alamosa County, Colorado
Latitude  37°40'16.1", Longitude 105°41'05.6" NAD83
Land-surface elevation 7,537.26 feet above NAVD88
The depth of the well is 30.0 feet below land surface.
This well is completed in the Rio Grande aquifer system (S100RIOGRD) national aquifer.
This well is completed in the Cenozoic Erathem (100CNZC) local aquifer.

Period of record
Begin Date End Date Levels
1974-09-05 2024-06-24 636

 
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