Headquarters Landfill Leachate Pond
Washington — Cowlitz County — Sucker Creek to Silver Lake
Location
| State | Washington |
| County | Cowlitz |
| River | Sucker Creek to Silver Lake |
| Coordinates | 46.25225, -122.77603 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | — |
| Dam Length | 743 ft |
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Surface Area | 2,300 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 29, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1993 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Cowlitz County Public Works |
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.