Tri Mountain Estates Dam
Washington — Clark County — Tr-Mason Creek
Location
| State | Washington |
| County | Clark |
| River | Tr-Mason Creek |
| Coordinates | 45.87569, -122.58137 |
Physical Characteristics
| NID Height | 32 ft |
| Dam Height | — |
| Dam Length | 1,355 ft |
| NID Storage | 177 acre-ft |
| Max Storage | 177 acre-ft |
| Surface Area | 18 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 25, 2020 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1953 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Tri-Mountain Estates LLC |
| Other Name | Tsugawa Brothers Reservoir Dam |
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.