New Study: Drinking CA Tap Water Over Lifetime Could Increase Cancer Risk

April 30, 2019 - 11:31 am
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(KNX 1070) -- A new study published Tuesday by the Environmental Working Group found that contaminants in California tap water could contribute to about 15,500 cancer cases over the course of a lifetime.

The contaminants include arsenic, hexavalent chromium and radioactive elements such as uranium and radium. 

The author of the study, Tasha Stoiber, a senior scientist with EWG, explains that 2,737 different public water systems across California were evaluated. 

Stoiber says public water systems serving 10,000 residents or less had the highest risk, as their water had trace amounts of arsenic. 

Researchers recommend families install certified water filters in their homes.