Thompson Lake Dam

About Thompson Lake Dam

The primary purpose of Thompson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Livingston Co. Drain Commissioner (private). It impounds the Tributary To Bogue Creek near Howell.

The dam stands 20 feet tall and stretches 200 feet across, creates a reservoir covering 260 acres, has a maximum storage capacity of 2,320 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1894, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/01/2018.

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