Cottage Grove Dam
Oregon — Lane County — COAST FORK WILLAMETTE RIVER
Location
| State | Oregon |
| County | Lane |
| River | COAST FORK WILLAMETTE RIVER |
| Coordinates | 43.71638, -123.05375 |
Physical Characteristics
| NID Height | 103 ft |
| Dam Height | 81 ft |
| Dam Length | 2,110 ft |
| NID Storage | 50,000 acre-ft |
| Max Storage | 50,000 acre-ft |
| Surface Area | 1,158 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | April 19, 2022 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1942 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | USACE - Portland District |
| Other Name | Cottage Grove Lake |
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.