Williams-Sherman Reservoir
Oregon — Harney County — NORTH FORK 12 MILE CREEK
Location
| State | Oregon |
| County | Harney |
| River | NORTH FORK 12 MILE CREEK |
| Coordinates | 43.94227, -119.73919 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 600 ft |
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Surface Area | 22 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | October 10, 2019 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1919 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | GRINDSTONE LIVESTOCK (GI RANCH CORP.) |
| Other Name | Upper Twelvemile Res. |
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.