Antilon Lake Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Chelan |
| Nearest City | Manson |
| River/Stream | Tr-Johnson Creek |
| Coordinates | 47.96092, -120.15253 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 62 ft |
| Dam Length | 300 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 2,475 acre-ft |
| Max Storage | 2,475 acre-ft |
| Normal Storage | 1,920 acre-ft |
| Surface Area | 118 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 360 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Chelan Reclamation Dist |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/17/2023 |
| Emergency Action Plan | Yes |