Tap Water Safety in Guam

Can you drink the tap water in Guam?

In general, no.

The US Center for Disease Control's travel advisory recommends avoiding tap water and drinking bottled or disinfected water in Guam (source).

Like all countries though, water accessibility, sanitation, and treatment vary widely from location to location, so we encourage looking for specific city information.

The most commonly searched cities in Guam are:

For a full list of cities in Guam, scroll to the bottom of this post or click here.

World Health Organization Guam Water Summary

The World Health Organization estimates that 99 percent of Guam have access to drinkable tap water.

In 2000, 99% of the population had access to drinkable, tap water on site, and 99% within an accessible distance, including both rural and urban areas.

World Health Organization's 2017 Guam Water Data

The World Health Organization data on water quality and availability throughout Guam includes the national average, averages for urban population centers, and averages for rural areas.

DataDescription
Safely ManagedA location that safe, drinkable water that is free of biological or chemical contaminants available on premise.
At Least BasicSafe drinkable water is available within 30 minutes from the location
LimitedIt would take more than 30 minutes from the location to access safe, drinkable water.
YearPopulation in 1000sSafely managedAt Least BasicLimited
National
200015599%99%1%
201716499%99%1%
Rural
200011---
20178---
Urban
2000144---
2017156---

What Do People In Guam Think About The Tap Water?

Travelers and residents of Guam have rated the water quality and pollution as follows, according to subjective survey data.

A score of 100% is considered very high, and a score of 0% is very low. Please be cautious that "moderate to very high" water pollution is bad and the higher the rate of water quality the better.

DescriptionScoreRating
Drinking Water Pollution and Inaccessibility47%Moderate
Water Pollution47%Moderate
Drinking Water Quality and Accessibility53%Moderate
Water Quality53%Moderate

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View our tap water report on all cities in Guam