Seyer Dam
Seyer Dam is an earth dam located in Fairfield County, Connecticut, built in 1900. It carries a Significant hazard potential classification and has a fair condition assessment.
About Seyer Dam
The primary purpose of Seyer Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jan D Unger & Joan Cook (private). It impounds the Beaver Brook near Weston.
The dam stands 11 feet tall and stretches 245 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1900, 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. The most recent inspection on record was 10/21/2021.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Weston |
| River/Stream | Beaver Brook |
| Coordinates | 41.21573, -73.36796 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 245 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 109 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Jan D Unger & Joan Cook |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/21/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00673 |
| Federal ID | CT00673 |
| More Info | State Dam Safety Program |