Is Naha Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Tap water in Naha, Japan, meets national safety standards and is generally considered safe to drink. It undergoes rigorous testing and treatment.

Water Sources
Drinking Fountains

Japan’s water quality regulations are strict, ensuring low levels of contaminants. Public water supplies, including Naha, comply with these standards consistently.

Visitors often consume tap water without issues. However, local taste or plumbing conditions may affect water quality perception, so some prefer bottled water.

Last checked: 2025-12-03

Japan is ranked as number 41 globally with a score of 78.1% in the water quality EPI research conducted by Yale University.

Source of Water in Naha, Japan

Naha’s tap water primarily comes from surface water sources, including rivers and reservoirs on Okinawa Island.

Groundwater from wells also supplements the water supply, especially during dry seasons, ensuring stable availability.

Water treatment plants in Naha purify these sources to meet health and safety standards before distribution.

Naha Drinking Fountains

Public drinking fountains in Naha generally use treated tap water, which meets safety standards. They are considered safe if well-maintained and regularly cleaned.

Maintenance and hygiene vary; some fountains may have issues affecting water quality, so caution is advised when using them.

When in doubt, using bottled water or carrying personal water bottles filled from trusted sources is recommended for safety and convenience.

Drinking Water Map

Here is a map showing all the locations of drinking water spots in Naha. You can click on each water drop to open the spot directly in Google Maps for directions.

Nearby Places

About the Author

Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.

I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.

Safe, clean tap water isn't just my job, it's something I truly care about.

Disclaimer

* The information provided on this website regarding the safety of tap water in Naha is sourced from reputable sources such as the World Health Organization (WHO), local water authorities, and the Environmental Performance Index (EPI) from Yale University. While we strive to ensure accuracy and reliability, it's important to note that water quality can vary over time and may be subject to factors beyond our control. Users are encouraged to verify the current water quality status with local authorities or consult additional resources before making decisions regarding water consumption. We disclaim any liability for actions taken based on the information provided on this website.