9. Los Angeles, CA
Contaminants detected above health guidelines: 5
Working on water distribution and purification of watar and bringing the fresh tap water to 3,935,257 consumers, is a huge job. But still, Los Angeles Department of Water and Power does a great job having only (well, only…) 5 chemicals that exceed prescribed limits. In case you are interested which those five are, here we go — arsenic, bromate, chromium, radiological contaminants and trihalomethanes.
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We are continuing our list of cities with the cleanest tap water in the US in 2017 with the three cities which share the 6th place.
