Walla Walla Effluent Storage Lagoon
Washington — Walla Walla County
Location
| State | Washington |
| County | Walla Walla |
| Coordinates | 46.07635, -118.38132 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | — |
| Dam Length | 1,800 ft |
| NID Storage | 97 acre-ft |
| Max Storage | 97 acre-ft |
| Surface Area | 5 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 17, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 2008 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Walla Walla City |
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.