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Water: Local Drinking Water Information

Guam Drinking Water

 Note: The external links to state web sites and contacts may not be accurate at this time, we are currently reviewing this information. Please check back with us for the updates on these pages.

The water you drink


Drinking water suppliers now provide reports (sometimes called consumer confidence reports) that tell where drinking water comes from, and what contaminants may be in it.

To view the information about your drinking water supplier that is in EPA's database, enter part or all of your water supplier's name, or browse the list of counties in your state. Then, click the "Search" button.

To view the information about your drinking water supplier that is in EPA's database, please visit the Envirofacts page on your state.

If your drinking water comes from a private well, you are responsible for your water's safety.  EPA rules do not apply to private wells (although some state rules do), but EPA recommends that well owners have their water tested annually.  Contact your state to get a list of certified commercial laboratories that test drinking water.

Where does drinking water come from?

River with Trees

To find out about the watershed that supplies your drinking water and how to protect it, click here. If your water comes from a ground water source, read about your state's ground water quality.[broken link] Exit EPA Disclaimer

State drinking water offices

Guam's drinking water program [broken link] Exit EPA Disclaimer
Guam Environmental
Protection Agency
Government of Guam
P.O. Box 22439 GMF
Barrigada, GU 96921

Guam's source water program
EPA's Region IX works with the local government to protect sources of drinking water.

Compliance trends

Bar Chart

Each state produces an annual report on trends among its drinking water systems. Guam's report is not online, but read EPA's national summary to learn how to get a copy.

For general information on drinking water

Contact EPA's Safe Drinking Water Hotline at 1-800-426-4791.

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