Mountain Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Chicopee |
| River/Stream | Willimansett Brook, tributary of Chicopee River |
| Coordinates | 42.19294, -72.58492 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Length | 250 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,735 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Chicopee |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/14/2023 |
| Emergency Action Plan | Yes |