Olson Reservoir (Mark)
Oregon — Polk County — ASH SWALE, TRIB TO
Location
| State | Oregon |
| County | Polk |
| River | ASH SWALE, TRIB TO |
| Coordinates | 45.06815, -123.18142 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 360 ft |
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Rated |
| EAP Status | No |
| Last Inspection | April 9, 2019 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1988 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | HVR INC. |
| Other Name | Mark Olson Dam |
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.