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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 132626144471771 EX-4 Mangilao, Guam

Guam, Guam
Latitude  13°26'29.7", Longitude -144°47'24.1" NAD83
Land-surface elevation 153.49 feet above GUVD04
The depth of the well is 390 feet below land surface.
The depth of the hole is 400 feet below land surface.
This well is completed in the Other aquifers (N9999OTHER) national aquifer.
This well is completed in the Limestone (100LMSN) local aquifer.

Period of record
Begin Date End Date Levels
1981-03-17 2024-07-23 157

 
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