Culmback
Washington — Snohomish County — Sultan River, Skykomish River
Location
| State | Washington |
| County | Snohomish |
| River | Sultan River, Skykomish River |
| Coordinates | 47.97492, -121.68600 |
Physical Characteristics
| NID Height | 262 ft |
| Dam Height | 262 ft |
| Dam Length | 640 ft |
| NID Storage | 193,440 acre-ft |
| Max Storage | 193,440 acre-ft |
| Surface Area | 1,870 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | May 14, 2021 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1983 |
| Primary Purpose | Hydroelectric |
| Dam Type | Rockfill |
| Owner Type | Public Utility |
| Owner | PUD #1 of Snohomish County, WA |
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.