Hartwick Reservoir
Oregon — Washington County — DAIRY CREEK, TRIB TO
Location
| State | Oregon |
| County | Washington |
| River | DAIRY CREEK, TRIB TO |
| Coordinates | 45.61929, -123.14270 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 540 ft |
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Surface Area | 9 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | November 29, 2018 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1956 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | HENRY J. GRASS M.D. |
| 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.