Chestnut Hill Dam

About Chestnut Hill Dam

The primary purpose of Chestnut Hill Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chestnut Hill Community Association (private). It impounds the Long Branch near Marshall.

The dam stands 38 feet tall and stretches 270 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 01/27/2025.

At 38 feet, this dam is taller than 85% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The North Carolina dam safety program can provide more specific information about emergency planning for this structure.

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