A few years ago, Noonan Park in Alexandria, Minnesota had a problem. The center pond feature of their park began showing algae shortly after the winter thaw. The thick brown and green scum covered the pond so quickly, baby ducks actually walked on top of it. Local...

Where Does Algae Come From? Some of the most common sources that contribute to algae come from areas that are all around our ponds. Think of leaves, grass clippings, surface runoff after storms, and animal droppings – these are the organic materials that...