What portion of public water system customers in the U.S. are served by facilities that had at least one reported violation of EPA's health-based drinking water standards during 2013?
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In the U.S., 8% of public water system customers are served by facilities that had a reported violation of the EPA's health-based drinking water standards during 2013. A caveat of this finding is that violations are reported by the states, and the EPA has found cases in which violations were not reported.
DocumentationDrinking Water Safety
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