Our Cities and Towns, Our County, Our State, Our Watersheds November 13, 2019November 13, 2019 More than half of Minnesota waters — including the St. Croix River — are ‘impaired.’ What does that mean? By Walker Orenstein | MinnPost.com Creative Commons/MPCAWhile the St. Croix is one of Minnesota’s most protected waters, the MPCA has proposed adding… To access this post, you must purchase Annual subscription to Norman County News Online.