New Bedford Reservoir Dam
New Bedford Reservoir Dam is an earth dam located in Bristol County, Massachusetts, built in 1867. It carries a Significant hazard potential classification and has a fair condition assessment.
About New Bedford Reservoir Dam
The primary purpose of New Bedford Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of New Bedford (local government). It impounds the Acushnet River near Acushnet.
The dam stands 10 feet tall and stretches 650 feet across, creates a reservoir covering 217 acres, has a maximum storage capacity of 2,265 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1867, 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. 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 07/16/2020.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Bristol |
| Nearest City | Acushnet |
| River/Stream | Acushnet River |
| Coordinates | 41.72905, -70.90091 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 650 ft |
| Year Completed | 1867 (159 years old) |
Storage & Hydraulics
| NID Storage | 2,265 acre-ft |
| Max Storage | 2,265 acre-ft |
| Normal Storage | 1,525 acre-ft |
| Surface Area | 217 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of New Bedford |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/16/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01014 |
| Federal ID | MA01014 |
| More Info | State Dam Safety Program |