Traditional Culture Encyclopedia - Hotel accommodation - Can drinking water in Europe and Japan be drunk directly? How?

Can drinking water in Europe and Japan be drunk directly? How?

You can drink it directly. Because their tap water supply is privatized and there is more than one tap water supply. With competition to ensure quality, it can basically be branded, and residents can choose their favorite suppliers. Isn't there a sommelier in the wine industry, but some countries have full-time daily drinking water sommeliers to ensure the sanitary quality and taste of tap water.