Is Suwa Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Tap water in Suwa, Japan, meets national safety standards set by the Ministry of Health, Labour and Welfare. It undergoes regular testing for contaminants.
Water is sourced mainly from local rivers and groundwater, treated with filtration and chlorination to ensure microbial safety.
Japanese municipal water is generally safe to drink without boiling. Suwa's water quality aligns with this, making it safe for direct consumption.
Last checked: 2025-08-01
Source of Water in Suwa, Japan
Suwa's tap water primarily comes from local rivers, including the Tenryu River, providing a natural freshwater source.
Groundwater from surrounding mountainous areas also supplements water supply, ensuring consistent availability throughout the year.
These sources undergo treatment at municipal facilities, including filtration and chlorination, to meet safety and quality standards for drinking water.
Suwa Drinking Fountains
Public drinking fountains in Suwa use treated municipal water, which meets Japan's strict safety standards.
Regular maintenance and water quality monitoring help ensure fountains remain hygienic and safe for public use.
Users should exercise caution if fountains appear dirty or poorly maintained, but generally, these fountains provide safe drinking water.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Suwa. You can click on each water drop to open the spot directly in Google Maps for directions.
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.