Is Narita Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Tap water in Narita, Chiba, is safe to drink and is treated to meet Japan’s national drinking water standards. The municipal supply is routinely tested for bacteria, chemicals, and other regulated contaminants.

Find clean drinking water on your travels with our iOS app 🚰

Water Sources
Drinking Fountains

The water may have a mild chlorine taste, which is normal and indicates disinfection. In older buildings, internal plumbing or storage tanks can affect water quality, so run the tap briefly before drinking if it has been unused.

Last checked: 2026-08-31

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 Narita, Japan

Narita’s tap water comes from a combination of groundwater drawn from local wells and surface water supplied through the Chiba Prefectural Waterworks system. The surface water is sourced mainly from the Tone River system.

Narita City and the prefectural waterworks treat the water at purification facilities before distributing it through the municipal network. The finished water is disinfected and managed under Japan’s national drinking water standards.

Narita Drinking Fountains

Public drinking fountains in Narita are generally safe to use. Japan maintains strict drinking water standards, and public fountains supplied by the municipal water system are treated and monitored.

Do not drink from a fountain marked as non-potable, temporarily closed, or under maintenance. If the water looks cloudy, has an unusual smell, or the fixture appears damaged, use another source.

Drinking Water Map

Here is a map showing all the locations of drinking water spots in Narita. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.

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 Narita 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.