Firnstahl Dam
Washington — Snohomish County — Tr-Siberia Creek
Location
| State | Washington |
| County | Snohomish |
| River | Tr-Siberia Creek |
| Coordinates | 48.16927, -122.03197 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | — |
| Dam Length | 150 ft |
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Surface Area | 50 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | July 8, 2022 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Firnstahl Family Ltd Ptnshp |
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.