Lifetime of drinking California water could raise cancer risk, study finds

Researchers find arsenic and other contaminants that could lead to almost 15,500 cases of cancer

Drinking California tap water over the course of a lifetime could increase the risk of cancer, according to a study published on Tuesday.

Researchers with the Environmental Working Group, an advocacy non-profit, studied the combined health impacts of contaminants found in 2,737 community water systems throughout California and calculated that prolonged consumption of the contaminated water could cause almost 15,500 new cases of cancer.