Gillworth Reservoir, located in Jefferson, Oregon, is a privately owned water resource managed by the Oregon Water Resources Department.
Wind
Humidity
Completed in 1980, this earthen dam stands at 29 feet tall and has a storage capacity of 178 acre-feet, primarily used for irrigation purposes. Situated on the Deschutes River tributary, this reservoir covers an area of 25.5 acres and has a maximum discharge rate of 345 cubic feet per second.
Despite being privately owned, Gillworth Reservoir is regulated by the state of Oregon and undergoes regular inspections to ensure its structural integrity and safety. With its proximity to the Deschutes River, the reservoir serves as a crucial water source for irrigation in the region. The hazard potential of the dam is deemed significant, highlighting the need for diligent oversight and maintenance to prevent any potential risks to downstream settlements.
The reservoir's strategic location and design make it a vital asset in managing water resources in the area, contributing to agricultural activities and sustaining the local ecosystem. As a point of interest for water resource and climate enthusiasts, Gillworth Reservoir serves as a reminder of the importance of effective water management practices in maintaining environmental balance and supporting sustainable development in the region.
Year Completed |
1980 |
Dam Length |
600 |
Dam Height |
29 |
River Or Stream |
DESCHUTES RIVER, TRIB TO |
Primary Dam Type |
Earth |
Surface Area |
25.5 |
Hydraulic Height |
24 |
Drainage Area |
9 |
Nid Storage |
178 |
Structural Height |
29 |
Hazard Potential |
Significant |
Nid Height |
29 |
Crooked River Blw Osborne Canyon
|
193cfs |
Crooked River Below Opal Springs
|
1230cfs |
Deschutes River Near Culver
|
841cfs |
Metolius River Near Grandview
|
1290cfs |
Deschutes River Near Madras
|
4100cfs |
Shitike Creek Near Warm Springs
|
59cfs |