Winchester
Idaho — Lewis County
Location
| State | Idaho |
| County | Lewis |
| Coordinates | 46.23760, -116.61920 |
Physical Characteristics
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 218 ft |
| NID Storage | 1,425 acre-ft |
| Max Storage | — |
| Surface Area | 98 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1910 |
| Primary Purpose | Other |
| Dam Type | — |
| Owner Type | — |
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.