6. Independence, MO
Contaminants detected above health guidelines: 4
With 4 contaminants that are above health guidelines, Independence is still among the top cities in the US with the cleanest tap water. Harmful chemicals that exceed limits are chloroform, chromium, dichloroacetic acid, and trihalomethanes.
![15 Cities with the Cleanest Tap Water in the US in 2017](https://imonkey-blog.imgix.net/blog/wp-content/uploads/2017/11/22122042/water-2820855_960_720-750x500.jpg?auto=fortmat&fit=clip&expires=1753488000&width=480&height=320)
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