 the steps that we can take to prevent or limit the spread of them throughout the lakes. And so we typically focus on this time period because of how busy the lakes are due to the 4th of July. Reitzloff says Lake Kashkhanan has known populations of curly leaf pondweed and zebra mussels. The surf could be up on a couple of spots on Beloit's riverfront. A rental company called Surfshack plans to open up two kiosks that will rent kayaks.