4. Sweden
Since environmental issues are important for Sweden, the matter of clean tap water is among the most important as well, which is why this country has among the cleanest tap waters in the world.
![Countries with the Cleanest Tap Water in the World in 2018](https://imonkey-blog.imgix.net/blog/wp-content/uploads/2018/04/10054557/hand-1576418_1920-726x600.jpg?auto=fortmat&fit=clip&expires=1756425600&width=480&height=396)
Pixabay/Public Domain
Since environmental issues are important for Sweden, the matter of clean tap water is among the most important as well, which is why this country has among the cleanest tap waters in the world.
Pixabay/Public Domain