Is Kyoto Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Yes, tap water in Kyoto, Japan is safe to drink. It is treated and monitored under Japan’s national drinking water quality standards.

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Water Sources
Drinking Fountains

Kyoto’s municipal water is suitable for drinking, cooking, and brushing teeth. Some people notice a chlorine taste, but this reflects disinfection and does not make the water unsafe.

Last checked: 2026-08-31

Japan is ranked as number 38 globally with a score of 78.7% in the water quality EPI research conducted by Yale University.

Source of Water in Kyoto, Japan

Kyoto’s tap water comes primarily from Lake Biwa, Japan’s largest lake. It is carried to Kyoto through the Lake Biwa Canal.

At Kyoto City’s water purification plants, including Keage, Matsugasaki, and Shinnyu, the water is treated before entering the distribution system. The finished water is then delivered to homes and businesses throughout Kyoto City.

Kyoto Drinking Fountains

Public drinking fountains in Kyoto are generally safe to use because Japan maintains strict drinking-water quality standards, and municipal tap water is treated and regularly tested. Most fountains connected to the public water supply provide potable water.

Do not drink from a fountain marked as non-potable or one that appears damaged, dirty, or unused for a long period. Let the water run briefly if it has been sitting, and avoid touching the spout with your mouth.

Drinking Water Map

Here is a map showing all the locations of drinking water spots in Kyoto. 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

Osaka (43 km)

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 Kyoto 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.