Mill Pond Dam

About Mill Pond Dam

The primary purpose of 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 Walpole (local government). It impounds the Tr Connecticut River near Walpole.

The dam stands 16 feet tall and stretches 150 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.

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 09/23/2021.

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