Testing shows no harmful PFC levels in Cottage Grove wells; increased levels at Woodbury dump site unexplained
State officials say recent testing of private wells in Cottage Grove and Woodbury did not detect harmful levels of 3M-manufactured chemicals.
The Minnesota Pollution Control Agency said Thursday that test results returned this week showed that the level of perfluorochemicals (or PFCs) in private wells near a former 3M dump site in Woodbury did not exceed state drinking-water standards.
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