Is Tokyo Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Yes, tap water in Tokyo, Japan is safe to drink. It meets national and international drinking water standards.
Tokyo's tap water is treated and monitored regularly to ensure quality and safety for human consumption.
However, filtering or boiling may still be recommended for personal preference or immune-compromised individuals.
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 Tokyo, Japan
Tokyo's tap water sources include rivers, lakes, and reservoirs, such as the Tone River, Ara River, and Okutama Lake.
Some 70% of Tokyo's tap water comes from the Tone River Basin, which is located northwest of the city.
The remaining 30% is sourced from local rivers, lakes, and groundwater, ensuring a reliable and diverse water supply.
Tokyo Drinking Fountains
Yes, there are safe drinking fountains in Tokyo, known as "water stations" or "自动販売水".
These fountains provide cold and hot water, and are commonly found in public areas like train stations and parks.
The water quality is similar to tap water, making them a convenient and safe option for refilling bottles.
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.