Upper Mystic Lake Dam
Massachusetts — Middlesex County — Mystic River, D/S of Aberjona River
Location
| State | Massachusetts |
| County | Middlesex |
| River | Mystic River, D/S of Aberjona River |
| Coordinates | 42.43072, -71.14849 |
Physical Characteristics
| NID Height | 16 ft |
| Dam Height | — |
| Dam Length | 1,560 ft |
| NID Storage | 2,800 acre-ft |
| Max Storage | 2,800 acre-ft |
| Surface Area | 185 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | February 24, 2022 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1860 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | State |
| Owner | MA Department of Conservation & Recreation |
| Other Name | Mid Lake Dam;Mystic Lake Dam |
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.