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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 133032144491871 M-10A, Harmon Loop School, Dededo, Guam

Guam, Guam
Latitude  13°30'38.2", Longitude -144°49'26.9" NAD83
Land-surface elevation 227.79 feet above GUVD04
This well is completed in the Other aquifers (N9999OTHER) national aquifer.

Period of record
Begin Date End Date Levels
1973-11-30 2024-07-16 279

 
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