Diablo
Washington, Whatcom County, Skagit River
Location
| State | Washington |
| County | Whatcom |
| River | Skagit River |
| Coordinates | 48.71340, -121.13180 |
Physical Characteristics
| NID Height | 389 ft |
| Dam Height | 389 ft |
| Dam Length | 1,180 ft |
| NID Storage | 89,200 acre-ft |
| Max Storage | 89,200 acre-ft |
| Surface Area | 770 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 16, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1929 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Local Government |
| Owner | City of Seattle |
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.