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Conservation director: Poweshiek County will cut lake dam in late summer for controlled drawdown

Poweshiek County Board of Supervisors · May 14, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Conservation Director Tylor Nelson told the board the county plans to cut a lake dam in August or September to begin a controlled drawdown; he estimated the lake would take about a month and a half to fully drain.

Tylor Nelson, Poweshiek County Conservation Director, told the Board of Supervisors on May 14 that the county is scheduled to cut the lake dam in August or September to begin a controlled drawdown.

Nelson described the work as a phased, controlled process intended to lower the lake level safely. He said officials estimate it will take about a month and a half to fully drain the lake once the operation begins. The transcript does not specify the lake by name, exact contractor, funding sources or any required regulatory approvals.

The presentation was recorded as informational; the transcript contains no motion or formal board action authorizing the work during the meeting. Nelson did not provide a detailed timeline for subsequent steps such as permitting or contracting at this meeting.