October Mountain Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Washington |
| River/Stream | Tributary of Mountain Brook |
| Coordinates | 42.34729, -73.18798 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 1,930 acre-ft |
| Max Storage | 1,930 acre-ft |
| Normal Storage | 1,130 acre-ft |
| Surface Area | 96 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 190 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/30/2024 |
| Emergency Action Plan | Yes |