Harriet Lake
Oregon — Clackamas County — Oak Grove River
Location
| State | Oregon |
| County | Clackamas |
| River | Oak Grove River |
| Coordinates | 45.07460, -121.96970 |
Physical Characteristics
| NID Height | 68 ft |
| Dam Height | 68 ft |
| Dam Length | 186 ft |
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Surface Area | 22 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 20, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1923 |
| Primary Purpose | Hydroelectric |
| Dam Type | Arch |
| Owner Type | Private |
| Owner | Portland General Electric Company |
| Other Name | Harriet Lake (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.