Northfield Mt. - North Dike
Massachusetts — Franklin County — Connecticut River
Location
| State | Massachusetts |
| County | Franklin |
| River | Connecticut River |
| Coordinates | 42.61910, -72.43590 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 500 ft |
| NID Storage | 21,500 acre-ft |
| Max Storage | 21,500 acre-ft |
| Surface Area | 278 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 4, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1973 |
| Primary Purpose | Hydroelectric |
| Dam Type | Rockfill |
| Owner Type | Public Utility |
| Owner | FirstLight Power Services LLC |
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.