Mcnary Lock And Dam - Richland Levee 4a
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Oregon |
| County | Benton |
| Nearest City | RICHLAND |
| River/Stream | COLUMBIA |
| Coordinates | 46.24070, -119.23629 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 4,730 ft |
| Year Completed | 1952 (74 years old) |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Walla Walla District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 10/26/2023 |
| Emergency Action Plan | Yes |