The company has agreed to clean up groundwater that is now polluted with industrial toxins. But, as the Star Tribune reports, one much harder problem remains: how to remove PFCs from wastewater before the company's manufacturing plant in Cottage Grove sends it into the Mississippi.
3M's Cottage Grove neighbors dig in for fight over incinerator emissions
3M wants permission to burn industrial waste from other companies, as well as its own, at its Cottage Grove incinerator. The Minnesota Pollution Control Agency says even with the additional waste 3M will be burning far less than its permit allows. But a group of neighbors is gearing up for a fight at this month's MPCA meeting, saying "pollution for profit" should not be approved.