Tap Water Safe

Is Tokyo Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Yes, Tokyo's tap water is safe to drink.


The water is regularly tested and meets strict quality standards.

It is regularly treated to remove impurities and contaminants.

Japan is ranked as number 20 globally with a score of 91.8% in the water quality EPI research conducted by Yale University.


Source of Water in Tokyo, Japan

Tokyo's tap water comes from surface water sources.

The main sources are rivers and reservoirs in the surrounding mountains.

Water is collected, treated, and distributed to homes and businesses through a network of pipes.


Tokyo Drinking Fountains

Yes, public drinking fountains in Tokyo are generally safe to use.

The water is regularly tested to ensure it meets quality standards.

Look for fountains in public parks, train stations, and other public spaces.

Drinking Water Map

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


* The information provided on this website regarding the safety of tap water in Tokyo 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.