William L. Jess Dam
Oregon — Jackson County — ROGUE RIVER
Location
| State | Oregon |
| County | Jackson |
| River | ROGUE RIVER |
| Coordinates | 42.67048, -122.67432 |
Physical Characteristics
| NID Height | 345 ft |
| Dam Height | 342 ft |
| Dam Length | 3,600 ft |
| NID Storage | 500,000 acre-ft |
| Max Storage | 500,000 acre-ft |
| Surface Area | 3,430 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | July 21, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1976 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Rockfill |
| Owner Type | Federal |
| Owner | USACE - Portland District |
| Other Name | Lost Creek Lake |
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.