Yes, drinking water from taps in Japan is safe. For environmental reasons, try to use a refillable water bottle rather than buying bottled water in Japan. Metro train stations have public water fountains, but otherwise these can be hard to find (this is the land of vending machines after all).

Yes, it is perfectly safe and encouraged to drink tap water in Tokyo. In 2026, Tokyo’s water supply remains one of the most strictly regulated in the world, meeting safety standards that often exceed those of the WHO and US EPA. The Tokyo Bureau of Waterworks utilizes advanced "Ozone" and "Biological Activated Carbon" treatment processes to ensure the water is free of bacteria and has a pleasant, neutral taste. You will find public drinking fountains throughout parks and subway stations, and it is common for restaurants to serve free tap water as a standard. While many tourists still buy bottled water, doing so in Tokyo is largely unnecessary and contributes to plastic waste. If you are sensitive to the slight smell of chlorine used for sanitation, letting the water sit in a pitcher for an hour or using a standard charcoal filter will completely remove any trace of it.

Uber Cash can be used for virtually all services offered within the Uber "Super App" in the country where it was purchased. This includes paying for Uber rides (X, XL, Comfort, etc.), Uber Eats food and grocery deliveries, and renting JUMP bikes or scooters in supported cities. Uber Cash is automatically applied as the primary payment method for any transaction unless you manually toggle it off. You can reload your balance via credit card, PayPal, or by redeeming Uber Gift Cards. In certain regions like Brazil, you can even add funds at retail points of sale. It is important to remember that Uber Cash is region-locked; funds purchased in the United States cannot be used for a ride in London or a delivery in Tokyo. Additionally, while most promotional credits have an expiration date, any funds you manually add to your Uber Cash balance never expire.