Amanda Yourd '11 Coordinates The Minnesota Lake Aeration Program

April 30, 2018
By the Lonsdale News Review

Cody-Phelps Lake, also known as Twin Lakes, off Union Lake Trail southwest of Lonsdale, is a shallow lake lacking in live fish, partially or completely. Although the lake wasn't aerated over the winter, weather conditions and other factors ultimately contributed to the fish kill.

“Certain lakes over the winter, shallow lakes or lakes with a lot of nutrients, can run out of oxygen,” said Amanda Yourd, Minnesota Department of Natural Resources hydrologist who coordinates the Statewide Aeration Program.

Yourd said long winters, especially, contribute to a lack of oxygen, so the result is fish dying, or winter kill. To prevent this, an aeration system brings warm water to the surface.

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