Three Mile Falls Diversion
Low HazardNot Available ConditionEmergency Action Plan: Not Required
Location
| State | Oregon |
| County | Umatilla |
| Nearest City | UMATILLA |
| River/Stream | UMATILLA RIVER |
| Coordinates | 45.88220, -119.32450 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 915 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 1,280 sq mi |
| Max Discharge | 38,000 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 07/30/2019 |
| Emergency Action Plan | Not Required |