Moulsons Pond Dam
Moulsons Pond Dam is a masonry dam located in New London County, Connecticut, built in 1840. It carries a Significant hazard potential classification.
About Moulsons Pond Dam
The primary purpose of Moulsons Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rathbun Dam Llc (private). It impounds the Eightmile River near Hamburg.
The dam stands 14 feet tall and stretches 80 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 391 acre-feet, and collects water from a drainage area of 53 square miles. Completed in 1840, the structure is one of the older dams in the region, with over a century and a half of service.
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. The most recent inspection on record was 05/24/2011. That was over 14 years ago.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Hamburg |
| River/Stream | Eightmile River |
| Coordinates | 41.40439, -72.34467 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 80 ft |
| Year Completed | 1840 (186 years old) |
Storage & Hydraulics
| NID Storage | 391 acre-ft |
| Max Storage | 391 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 53 sq mi |
| Max Discharge | 7,285 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Rathbun Dam LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 05/24/2011 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00420 |
| Federal ID | CT00420 |
| More Info | State Dam Safety Program |