Pontoosuc Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Pittsfield |
| River/Stream | West Branch Housatonic River |
| Coordinates | 42.48418, -73.24656 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 20 ft |
| Dam Length | 150 ft |
| Year Completed | 1866 (160 years old) |
Storage & Hydraulics
| NID Storage | 5,000 acre-ft |
| Max Storage | 5,000 acre-ft |
| Normal Storage | 2,650 acre-ft |
| Surface Area | 525 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 1,660 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Division of Capital Asset Management and Maintenance |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2023 |
| Emergency Action Plan | Yes |