Dirtiest Lakes in Minnesota

There are several reasons why these Minnesota Lakes are on the dirty side. Whether it's from decades of water pollution, agricultural runoff, or other factors; these are some of the dirtiest lakes in the state.

Minnesota may be the Land of Ten Thousand Lakes, but not all of them are pristine waterways. A number of lakes within the state's boundaries are quite polluted.

Minnesota may be the Land of Ten Thousand Lakes, but not all of them are pristine waterways. A number of lakes within the state's boundaries are quite polluted.