Trillium Lake
Oregon — Clackamas County — MUD CREEK
Location
| State | Oregon |
| County | Clackamas |
| River | MUD CREEK |
| Coordinates | 45.26731, -121.74231 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 19 ft |
| Dam Length | 985 ft |
| NID Storage | 380 acre-ft |
| Max Storage | 380 acre-ft |
| Surface Area | 65 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | June 12, 2019 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1960 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | OREGON DEPARTMENT OF FISH AND WILDLIFE |
| Other Name | None |
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.