John Leo Silver Lake Dam
Massachusetts — Essex County — Tributary of To Lower Pond
Location
| State | Massachusetts |
| County | Essex |
| River | Tributary of To Lower Pond |
| Coordinates | 42.48714, -71.03543 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | — |
| Dam Length | 180 ft |
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Surface Area | 13 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | May 25, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | — |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | MA Department of Conservation & Recreation |
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.