October Mountain Lake Dike
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Washington |
| River/Stream | Tributary of Washington Mountain Brook |
| Coordinates | 42.34419, -73.17937 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 820 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 1,460 acre-ft |
| Max Storage | 1,460 acre-ft |
| Normal Storage | 870 acre-ft |
| Surface Area | 83 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/06/2024 |
| Emergency Action Plan | Yes |