Cascade Lake Dam
Washington — San Juan County — Tr-Cascade Bay
Location
| State | Washington |
| County | San Juan |
| River | Tr-Cascade Bay |
| Coordinates | 48.65023, -122.86550 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | — |
| Dam Length | 127 ft |
| NID Storage | 2,670 acre-ft |
| Max Storage | 2,670 acre-ft |
| Surface Area | 170 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | June 6, 2023 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1915 |
| Primary Purpose | Hydroelectric |
| Dam Type | Arch |
| Owner Type | Private |
| Owner | Orcas Water Holdings LLC |
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.