• Why Do Some Minnesota Lakes Smell Like Sulfur In Spring?

    2 days ago - By CBS

    MINNEAPOLIS - Ever notice a funky smell around the lakes this time of year? Kind of like rotten eggs?
    Jan from New Brighton did earlier this week and wrote to us wanting to know why. Good Question.
    On the north side of the lake inside Columbia Heights' Kordiak Park, it smells a bit like, as one passerby noted, “Old Faithful.”
    So, we brought in lake expert Jim Cotner from the University of Minnesota to find the culprit.
    “There's some bacteria that grow in the lake,” Cotner said.

    That bacterium breathes in the sulfates that are in the decaying plants at the bottom of the lake.
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