Harriet Lake
Low HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Estacada, OR |
| River/Stream | Oak Grove River |
| Coordinates | 45.07460, -121.96970 |
Physical Characteristics
| Dam Type | Arch |
| NID Height | 68 ft |
| Dam Height | 68 ft |
| Dam Length | 186 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 152 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 131 sq mi |
| Max Discharge | 11,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Portland General Electric Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/20/2022 |
| Emergency Action Plan | Yes |