The contaminated water affair in the US has taken a new turn. A Californian study suggests that the various contaminants found in tap water in the state of California may be a contributory factor in more than 15,500 cases of cancer. Besides arsenic and a number of chemical elements, it seems the US public water supply contains hexavalent chromium (which is extremely toxic) as well as radioactive elements, such as radium and uranium.
https://edition.cnn.com/2019/04/30/health/water-quality-cancer-risk-california-study/index.html