Chalfa Dam
Washington — Okanogan County — Tr-Benson Creek
Location
| State | Washington |
| County | Okanogan |
| River | Tr-Benson Creek |
| Coordinates | 48.33204, -119.99781 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | — |
| Dam Length | 320 ft |
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Surface Area | 9 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 18, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1940 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | WA DFW |
| Other Name | Wenner Lakes Dam No. 3 |
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.