Checking water quality at the tap

When consumers turn on a faucet, they expect the drinking water that gushes out to be safe. A new report in ACS' journal Environmental Science & Technology found that U.S. public-supply tap water generally meets all enforceable standards. However, routine testing for most prospective contaminants is carried out before water is distributed, not where it's used, and the report indicates some consumers are exposed to contaminant mixtures that aren't commonly monitored.

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