Willard winter kill?

[PBH]

Winter kill occurs due to a lack of oxygen. Fish breath dissolved oxygen. So, the limiting factor is not how long the ice stays on the lake, but how much dissolved oxygen is being distributed throughout the lake. As long as there is water running into the lake, or springs feeding the lake with fresh water, there shouldn't be a winter kill, even if the lake is ice covered for 5 months. Most lakes winterkill because the springs that feed them don't produce the amount of water in the winter months that it takes to keep a supply of oxygen in the lake. As long as Willard has a decent supply of fresh water entering it during the winter, it should be just fine.
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