Apple Valley leaders know that “forever chemicals” are coursing through the city’s water supply, but they can’t say for sure how the synthetic substances got there. Yet the mysterious origin of per- and polyfluoroalkyl substances, or PFAS, in nearly half of Apple Valley’s wells doesn’t change the fact that the city faces a $100 million bill to flush them from its system. Read more at the link in our bio. Reporting by Eva Herscowitz. Video by Casey Darnell. Photos by Angelina Katsanis and Jerry Holt boyle1960/The Minnesota Star Tribune. #minnesota #pfas #foreverchemicals