Pontoosuc Lake Dam
Massachusetts — Berkshire County — West Branch Housatonic River
Location
| State | Massachusetts |
| County | Berkshire |
| River | West Branch Housatonic River |
| Coordinates | 42.48418, -73.24656 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | — |
| Dam Length | 150 ft |
| NID Storage | 5,000 acre-ft |
| Max Storage | 5,000 acre-ft |
| Surface Area | 525 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | May 22, 2023 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1866 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | State |
| Owner | Division of Capital Asset Management and Maintenance |
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.