Niagara
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Virginia |
| County | Roanoke |
| Nearest City | Vinton |
| River/Stream | Roanoke |
| Coordinates | 37.25458, -79.87549 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 60 ft |
| Dam Height | 52 ft |
| Dam Length | 452 ft |
| Year Completed | 1906 (120 years old) |
Storage & Hydraulics
| NID Storage | 425 acre-ft |
| Max Storage | 425 acre-ft |
| Normal Storage | 425 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 511 sq mi |
| Max Discharge | 60,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Appalachian Power Company |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/07/2022 |
| Emergency Action Plan | Yes |