Antilon Lake Dam
Washington — Chelan County — Tr-Johnson Creek
Location
| State | Washington |
| County | Chelan |
| River | Tr-Johnson Creek |
| Coordinates | 47.96092, -120.15253 |
Physical Characteristics
| NID Height | 62 ft |
| Dam Height | — |
| Dam Length | 300 ft |
| NID Storage | 2,475 acre-ft |
| Max Storage | 2,475 acre-ft |
| Surface Area | 118 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | August 17, 2023 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1913 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Lake Chelan Reclamation Dist |
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.