Isaak Dam No 4
Washington — Douglas County
Location
| State | Washington |
| County | Douglas |
| Coordinates | 47.81575, -119.25410 |
Physical Characteristics
| NID Height | 9 ft |
| Dam Height | — |
| Dam Length | — |
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | No |
| Last Inspection | May 10, 2017 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1987 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Dugualla Bay Company LLC |
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.