Treating contaminated household water costly for cities – and consumers

(CBS) — A glass of water may seem harmless enough, but communities around the country are increasingly faced with a concerning reality: contaminants are turning up in their drinking water – and getting them out may be a lot harder than you think. A report by the non-profit Environmental Working Group (EWG) found that water supplied by at least some utilities in all 50 states contained a known carcinogen called radium, reports CBS News correspondent Anna Werner.
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