Rosalia Sewage Lagoon
Significant HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Whitman |
| Coordinates | 47.24150, -117.37304 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 37 acre-ft |
| Max Storage | 37 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Rosalia STP |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/26/2023 |
| Emergency Action Plan | Yes |