Ob-3 Process Water Storage 100mg Pond Dam
Washington, Adams County, Offstream
Location
| State | Washington |
| County | Adams |
| River | Offstream |
| Coordinates | 46.99933, -118.91411 |
Physical Characteristics
| NID Height | 32 ft |
| Dam Height | - |
| Dam Length | 4,030 ft |
| NID Storage | 361 acre-ft |
| Max Storage | 361 acre-ft |
| Surface Area | 16 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | October 17, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 2009 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | OB-3 Resource Management LLC |
| Other Name | Ob-3 Process Water Storage Lagoon |
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.