County to revisit drawdown operations plan; DNR sets minimums, county sets maximum

Sep 15, 2026

Staff said the Department of Natural Resources must approve drawdowns and set minimums, but the county can set a higher operational maximum; staff will update the operations plan and DNR permit to reflect lessons from recent fish kills and historic variability.

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Agency official (S1) told the board that DNR approval is required to draw a lake down and that the DNR typically sets the minimum level (S1: “They’re gonna leave it a little bit above the OHW, but above that is actually your call.”). S1 said the county retains flexibility to establish the upper operational threshold and that the outlet operations plan can and should be formalized to guide future decisions.

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