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With a nearly $20 million cleanup plan currently on the table, it’s no secret that Lake Mitchell’s algae growth has gotten severe enough to keep the lake from being recreation-friendly.

But although the proposed plan is one of the first of its kind in the area, Lake Mitchell is not an outlier in terms of usability. It may receive more attention than many South Dakota lakes, but it’s far from the only lake to have issues with water quality – statistically, it’s actually more unusual for a South Dakota lake to not have any water impairments.