McNary Lock and Dam - Richland Levee 2A
Oregon — Benton County — Columbia
Location
| State | Oregon |
| County | Benton |
| River | Columbia |
| Coordinates | 46.25356, -119.27316 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 6,208 ft |
| NID Storage | 0 acre-ft |
| Max Storage | 0 acre-ft |
| Surface Area | 0 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | October 26, 2023 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1952 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | USACE - Walla Walla District |
| Other Name | Richland Levees |
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.