Activists are warning residents to avoid drinking tap water
Environmental activist Erin Brockovich in 2007; tainted water in California. (Photos: Lisa Maree Williams/Getty Images; Eric Paul Zamora/’Fresno Bee’/Getty Images) Thousands of Americans drink tap water poisoned by unsafe levels of a cancer-causing heavy metal, and government authorities are doing little to stop it, according to a new report from clean water activists. The chemical