Guam Hydrologic Survey

Guam Public Law 24-247 & 24-161

Håfa Adai,

Welcome to the Guam Hydrologic Survey!
Get started here:

Research Areas Browse

Research conducted by WERI

Library

Sort & Search

A sortable and searchable collection of publicly available reports

Presentations

A collection of presentation files from workshops, meetings, and conferences

Maps & Posters

A collection of scanned maps and posters from historical archives

Web MApps

A collection of maps from agencies from the local and federal government

MAppFx

A collection of data visualization web apps with map and graph components

Databases

Borehole Database (BHDB)

Records and information of ground drillings and wells installed in northern Guam

Chloride & Production Database (CPDB)

Contains data source, analysis graphs, and maps

Climate & Weather Database (CWDB)

Available rain gauge data for northern and southern Guam

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Håfa Adai,

Welcome to our new site!

All available reports (e.g., annual reports, state of the aquifer, etc.) and research areas are now in one place – check them out under Reports and Research

We thank you for your patience as we continue to roll out updates and improve the site. If you need any help, feel free to reach out here.

Happy exploring!