Perry Station Dam
Perry Station Dam is a concrete dam located in Washington County, Maine, built in 1911. It carries a Significant hazard potential classification and has a poor condition assessment.
About Perry Station Dam
The primary purpose of Perry Station 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 Passamaquoddy Water District (public utility). It impounds the Boyden Stream.
The dam stands 20 feet tall and stretches 145 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 83 acre-feet, and collects water from a drainage area of 40 square miles. Completed in 1911, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 08/07/2025.
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Location
| State | Maine |
| County | Washington |
| River/Stream | Boyden Stream |
| Coordinates | 44.97198, -67.08975 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 145 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 40 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Passamaquoddy Water District |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/07/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ME00290 |
| Federal ID | ME00290 |
| More Info | State Dam Safety Program |