I think that is overly alarmist. These guys: https://torrentlab.com/drinking-and-storm-water-quality-test-kit/ https://torrentlab.com/drinking-and-storm-water-q

I think that is overly alarmist. These guys: https://torrentlab.com/drinking-and-storm-water-quality-test-kit/ https://torrentlab.com/drinking-and-storm-water-quality-test... make it easy to get a water test done. If you're worried about chromium 6 (hexavalent chromium) install a reverse osmosis filter.