As someone who lived in Oakdale and Maplewood in the '00s, I can attest to all of this. We never drank the water, we boiled everything, even to take baths because the water would give us rashes and make our hair fall out.
https://minnesotareformer.com/2022/12/14/there-must-be-something-in-the-water/
https://minnesotareformer.com/2022/12/14/there-must-be-something-in-the-water/