Twin Falls
Idaho — Jerome County — Snake River
Location
| State | Idaho |
| County | Jerome |
| River | Snake River |
| Coordinates | 42.58970, -114.35327 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | 16 ft |
| Dam Length | 809 ft |
| NID Storage | 955 acre-ft |
| Max Storage | 955 acre-ft |
| Surface Area | 85 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | September 19, 2017 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1935 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Idaho Power Company |
| Other Name | Arch Dam and "Island" Dike |
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.