Hells Canyon
Idaho, Adams County, Snake River
Location
| State | Idaho |
| County | Adams |
| River | Snake River |
| Coordinates | 45.24310, -116.70050 |
Physical Characteristics
| NID Height | 330 ft |
| Dam Height | 323 ft |
| Dam Length | 910 ft |
| NID Storage | 188,000 acre-ft |
| Max Storage | 188,000 acre-ft |
| Surface Area | 2,430 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 28, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1967 |
| Primary Purpose | Hydroelectric |
| Dam Type | Gravity |
| Owner Type | Private |
| Owner | Idaho Power Company |
| Other Name | Hells Canyon |
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.