Miller Pond Dam is a concrete dam located in Middlesex County, Connecticut, built in 1880. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 185 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Miller Pond Dam
The primary purpose of Miller Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the Summer Brook near Durham.
The dam stands 10 feet tall and stretches 185 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 256 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1880, 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 10/12/2021.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Durham |
| River/Stream | Summer Brook |
| Coordinates | 41.47552, -72.63543 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 185 ft |
| Year Completed | 1880 (146 years old) |
Storage & Hydraulics
| NID Storage | 256 acre-ft |
| Max Storage | 256 acre-ft |
| Normal Storage | 256 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,944 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut Deep |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/12/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00383 |
| Federal ID | CT00383 |
| More Info | State Dam Safety Program |