Spillway Dam
Oregon — Clackamas County
Location
| State | Oregon |
| County | Clackamas |
| Coordinates | 45.44470, -122.15380 |
Physical Characteristics
| NID Height | 180 ft |
| Dam Height | 180 ft |
| Dam Length | 450 ft |
| NID Storage | 25,000 acre-ft |
| Max Storage | 25,000 acre-ft |
| Surface Area | 418 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1962 |
| Primary Purpose | Water Supply |
| Dam Type | — |
| Owner Type | — |
| Owner | City of Portland Oregon |
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.