Mattapoisett River Dam
Massachusetts, Plymouth County, Mattapoisett River
Location
| State | Massachusetts |
| County | Plymouth |
| River | Mattapoisett River |
| Coordinates | 41.65702, -70.83429 |
Physical Characteristics
| NID Height | 10 ft |
| Dam Height | - |
| Dam Length | 250 ft |
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Surface Area | 3 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | April 6, 2026 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1898 |
| Primary Purpose | - |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Town of Mattapoisett |
| Other Name | N/A |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.