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FEMA’s National Flood Hazard Layer (NFHL) Viewer

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This map from FEMA features current flood hazard data. More information can be found on FEMA's website for the National Flood Hazard Layer, here. To view FEMA's flood map service page for Guam, visit this page

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Updates

Last updated in 2021

Web Map App

See some of the viewing options below #add in desktop and mobile view

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Mobile view

Maps by Organizations Browse

Water & Environmental Research Institute of the Western Pacific

Guam Bureau of Statistics & Plans

Kumisión I Fino’ CHamoru

Federal Emergency Management Agency

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