PAYNESVILLE -- The association at Lake Koronis is taking an aggressive approach to get rid of starry stonewort.

The invasive species was confirmed on the lake last summer. It has wrapped around boat propellers and kept some people from swimming.

The Koronis Lake Association is taking action - spending $50,000 this summer on a three-part treatment. If it works, the association would roll out the rest of its $828,600 plan to treat more of the lake. The treatment could be used on other Minnesota lakes too.

The lake association applied for grants to fund the project. It started with a machine that harvested the weeds. Scuba divers were then scheduled to handpick the starry stonewort that the machine missed. Then, chemicals will be used treat regrowth.