Beach Pond Dam
Beach Pond Dam is an earth dam located in New London County, Connecticut, built in 1885. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Beach Pond Dam
The primary purpose of Beach 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 Pachaug River near Voluntown.
The dam stands 12 feet tall and stretches 350 feet across, creates a reservoir covering 459 acres, has a maximum storage capacity of 5,800 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1885, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/06/2023.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Voluntown |
| River/Stream | Pachaug River |
| Coordinates | 41.58131, -71.81758 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 350 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 5,800 acre-ft |
| Max Storage | 5,800 acre-ft |
| Normal Storage | 4,100 acre-ft |
| Surface Area | 459 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 365 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/06/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00628 |
| Federal ID | CT00628 |
| More Info | State Dam Safety Program |