Development No. 1 Dam
Oregon, Multnomah County, Bull Run River
Location
| State | Oregon |
| County | Multnomah |
| River | Bull Run River |
| Coordinates | 45.48180, -122.08230 |
Physical Characteristics
| NID Height | 200 ft |
| Dam Height | 200 ft |
| Dam Length | 970 ft |
| NID Storage | 33,760 acre-ft |
| Max Storage | 33,760 acre-ft |
| Surface Area | 386 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | May 24, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1929 |
| Primary Purpose | Water Supply |
| Dam Type | Concrete |
| Owner Type | Local Government |
| Owner | City of Portland Oregon |
| Other Name | Bear Creek Dam;Bull Run Reservoir No. 1 (Res) |
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.