Justesen Reservoir #1, located in Sherman County, Oregon, is a privately owned water storage facility primarily used for hydroelectric power generation, irrigation, navigation, and recreation.
Wind
Humidity
Completed in 1985, this reservoir has a dam height of 21 feet and a maximum storage capacity of 148 acre-feet. With a surface area of 15 acres and a drainage area of 2.98 square miles, Justesen Reservoir #1 serves as a vital water resource in the region.
Managed by the Oregon Water Resources Department, this reservoir has a low hazard potential and is equipped with needle outlet gates for water release. While its condition assessment is currently not rated, regular inspections are conducted every six years to ensure the safety and integrity of the structure. The reservoir's maximum discharge capacity is 544 cubic feet per second, enhancing its efficiency in managing water flow and distribution in the area.
With its strategic location and multiple purposes, Justesen Reservoir #1 plays a crucial role in water management and sustainable development in Sherman County. As a key component of the local water infrastructure, this reservoir exemplifies the importance of balancing water resource utilization for various needs while ensuring compliance with regulatory standards and safety measures. For water resource and climate enthusiasts, Justesen Reservoir #1 represents a noteworthy example of integrated water management practices in the Pacific Northwest region.
Year Completed |
1985 |
Dam Length |
450 |
Dam Height |
21 |
Surface Area |
15 |
Hydraulic Height |
17 |
Drainage Area |
2.98 |
Nid Storage |
148 |
Structural Height |
21 |
Outlet Gates |
Needle |
Hazard Potential |
Low |
Nid Height |
21 |
Deschutes River At Moody
|
5500cfs |
Columbia River At The Dalles
|
120000cfs |
John Day River At Mcdonald Ferry
|
1710cfs |
Pine Creek Near Clarno
|
8cfs |
Warm Springs River Near Kahneeta Hot Springs
|
360cfs |
Mosier Creek Near Mosier
|
8cfs |
| Location | Reservations | Toilets |
|---|---|---|
Rattlesnake Canyon Campground
|
||
Macks Canyon
|
||
Jones Canyon Campground
|
||
D23.66R
|
||
D23.62L
|
||
D23 63L
|