Yelm Canal Dike
Washington — Thurston County — Nisqually River
Location
| State | Washington |
| County | Thurston |
| River | Nisqually River |
| Coordinates | 46.97262, -122.63775 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 48,050 ft |
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Surface Area | 55 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Unsatisfactory |
| EAP Status | Yes |
| Last Inspection | May 14, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1930 |
| Primary Purpose | Hydroelectric |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Centralia |
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.