Massena Diversion Dam
New York — St. Lawrence County
Location
| State | New York |
| County | St. Lawrence |
| Coordinates | 44.93861, -74.87583 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 550 ft |
| NID Storage | 1,125 acre-ft |
| Max Storage | 1,125 acre-ft |
| Surface Area | 96 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1912 |
| Primary Purpose | Other |
| Dam Type | — |
| Owner Type | — |
| Owner | NEW YORK POWER AUTHORITY |
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.