Isaak Dam No 4
High HazardFair ConditionEmergency Action Plan: No
Location
| State | Washington |
| County | Douglas |
| Coordinates | 47.81575, -119.25409 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 31 acre-ft |
| Drainage Area | 150 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Dugualla Bay Company LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/10/2017 |
| Emergency Action Plan | No |