DOVER, Del. (AP) — State environmental officials say residents of a southern Delaware town where high levels of toxic chemicals were discovered in municipal wells can resume using the water for drinking and cooking.
Officials said Thursday that a new carbon filtration system in the town of Blades has significantly lowered concentrations of perfluorinated compounds.
Recent testing showed PFC levels of 3.4 parts per trillion, well below the Environmental Protection Agency’s health advisory level of 70 parts per trillion. Earlier testing had found PFC levels in the town’s three wells ranging from 96 to 187 parts per trillion, prompting officials to advise residents against drinking the water.
Authorities say residents of single-family homes can resume using the water after letting faucets run for several minutes.
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Officials are still investigating the source of the contamination.