We protect Lac Courte Oreilles and Little Lac Courte Oreilles through research, restoration, and outreach ...
so you can enjoy them every day,
and for generations to come.

Water Quality Projects

Independent research firms and more have documented what is happening to this lake, why, and the solution.

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Our Mission

"To Protect and preserve this fifth largest natural lake in Wisconsin, designated an Outstanding Resource Water."

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Shoreland Projects

COLA members do whatever they can as homeowners to keep the lake healthy through these ongoing projects.

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