5. Spain
Scoring 100% for both sanitation and tap water safety, Spain is one of the countries that have among cleanest tap waters (and the matter of taste preferences is another issue).
![Countries with the Cleanest Tap Water in the World in 2018](https://imonkey-blog.imgix.net/blog/wp-content/uploads/2017/11/23161554/drops-of-water-578897_960_720-750x500.jpg?auto=fortmat&fit=clip&expires=1756512000&width=480&height=320)
Pixabay/Public Domain
Scoring 100% for both sanitation and tap water safety, Spain is one of the countries that have among cleanest tap waters (and the matter of taste preferences is another issue).
Pixabay/Public Domain