Mason Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Oregon |
| County | Baker |
| Nearest City | BAKER |
| River/Stream | POWDER RIVER |
| Coordinates | 44.67180, -117.99960 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 173 ft |
| Dam Height | 167 ft |
| Dam Length | 895 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 95,500 acre-ft |
| Max Storage | 95,500 acre-ft |
| Normal Storage | 78,500 acre-ft |
| Surface Area | 2,235 acres |
| Drainage Area | 164 sq mi |
| Max Discharge | 1,210 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 09/10/2020 |
| Emergency Action Plan | Yes |