Upper Salmon Falls A-Plant & Forebay
Idaho — Twin Falls County — Snake River
Location
| State | Idaho |
| County | Twin Falls |
| River | Snake River |
| Coordinates | 42.76750, -114.92470 |
Physical Characteristics
| NID Height | 85 ft |
| Dam Height | 85 ft |
| Dam Length | 310 ft |
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Surface Area | 1 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | September 20, 2017 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1937 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Idaho Power Company |
| Other Name | Lower Powerhouse Forebay 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.