Spillway Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Troutdale, OR |
| River/Stream | Bull Run |
| Coordinates | 45.44470, -122.15380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 180 ft |
| Dam Height | 180 ft |
| Dam Length | 450 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 25,000 acre-ft |
| Max Storage | 25,000 acre-ft |
| Normal Storage | 21,000 acre-ft |
| Surface Area | 418 acres |
| Drainage Area | 102 sq mi |
| Max Discharge | 73,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Portland Oregon |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/24/2022 |
| Emergency Action Plan | Yes |