Is Asahikawa Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Yes, tap water in Asahikawa, Hokkaido, is safe to drink. The municipal water supply is treated and monitored under Japan’s national drinking water standards.
The water is suitable for drinking, cooking, and brushing teeth. In older buildings, the taste or quality can be affected by internal plumbing, but the public water supply itself is regulated and potable.
Last checked: 2026-07-18
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 Asahikawa, Japan
Tap water in Asahikawa comes mainly from surface water in the Ishikari River system, including the Chubetsu River and nearby rivers. The city also uses groundwater in parts of its water supply system.
This water is collected by Asahikawa’s municipal waterworks and treated at water purification facilities. Treatment includes processes such as filtration and disinfection before the water enters the distribution network.
Asahikawa Drinking Fountains
Public drinking fountains in Asahikawa are generally safe to use when they are clearly marked as drinking water and are maintained by the local authority. Japan has strict national drinking water standards, and municipal supplies are routinely tested.
Do not drink from a fountain marked non-potable, closed for maintenance, or showing visible damage or unusual water quality. During winter, use only fountains that are operating normally, since freezing can affect fixtures and service.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Asahikawa. 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.