And depending on the area, the local government, local banks, and contractors could be working hand in pocket, arranging things such that you'll need to pay out

And depending on the area, the local government, local banks, and contractors could be working hand in pocket, arranging things such that you'll need to pay out the nose, and/or go into debt to resolve the problems. Honestly, I'd probably sneak a pex run and pay a friend of a friend and not notify the authorities if faced with lead issues, but my exposure to lead might have my brain mangled to the point that I don't care or can't effectively plan a surreptitious fix. Flint is just all sorts of fucked.