Lake Winona in Alexandria is on the Minnesota Pollution Control Agency’s impaired waters list for excess chloride and eutrophication associated with excess nutrients, particularly phosphorus. The lake is located near the Alexandria Lake Area Sanitary District (ALASD) wastewater treatment facility. Lake Winona receives treated water from ALASD. The water then moves down the chain of lakes to Lakes L’Homme Dieu and Carlos and then into the Long Prairie River.
Read the article: Douglas County lakes face a sea of threats