Old Mill Pond Dam

About Old Mill Pond Dam

The primary purpose of Old Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of West Tisbury (local government). It impounds the Mill Brook near W. Tisbury.

The dam stands 5 feet tall and stretches 280 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 4 square miles.

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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/28/2022.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.