Seymour Reservoir #3 Dam

About Seymour Reservoir #3 Dam

The primary purpose of Seymour Reservoir #3 Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Connecticut Deep (state). It impounds the Unnamed near Pine Bridge.

The dam stands 42 feet tall and stretches 730 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 245 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1910, 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 11/16/2021.

At 42 feet, this dam is taller than 89% of dams nationwide.

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