Once established, it can be managed but not eradicated. It has spread to almost every state in the US, where it grows into thick mats that can make lakes impenetrable for boats and swimmers. It can make it impossible for native plants to grow, affecting fish and wildlife. Yup, it’s Eurasian watermilfoil.
Homeowners and businesses on East and West Loon Lakes in Antioch Illinois formed a taxing district that raises $50,000 a year to maintain the lakes. Mike Clifton, president of the Loon Lakes Management Association along with other operators, run an aquatic weed harvester to mow the aquatic vegetation along the shoreline and around docks.