Mosley Reservoir, also known as Bearwallow Reservoir, is a private water resource located in Baker, Oregon.
Wind
Humidity
Completed in 1950, this Earth dam serves primarily for irrigation purposes, with a storage capacity of 260 acre-feet and a surface area of 25.5 acres. Situated along Pine Creek, a tributary to the Walla Walla River, this reservoir plays a crucial role in supporting agricultural activities in the region.
With a relatively low hazard potential and a condition assessment that is currently not rated, Mosley Reservoir stands as a stable water management infrastructure in the area. Despite being privately owned, the state of Oregon regulates, inspects, and enforces safety measures for this reservoir. The last inspection took place in April 2015, with a scheduled frequency of every 6 years, ensuring that the dam remains in compliance with state regulations and guidelines.
For water resource and climate enthusiasts, Mosley Reservoir offers a glimpse into the intersection of human activity and natural water systems. Its role in supporting irrigation and its location within the picturesque landscape of Baker, Oregon, make it a fascinating site to study the impact of water management on local ecosystems and communities. With a history dating back to the mid-20th century, this reservoir serves as a testament to the ongoing efforts to balance water needs with environmental conservation in the region.
Year Completed |
1950 |
Dam Length |
120 |
Dam Height |
20 |
River Or Stream |
PINE CREEK, TRIB TO |
Primary Dam Type |
Earth |
Surface Area |
25.5 |
Hydraulic Height |
17 |
Drainage Area |
0.4 |
Nid Storage |
260 |
Structural Height |
20 |
Hazard Potential |
Low |
Nid Height |
20 |
Snake River At Hells Canyon Dam Id-Or State Line
|
19200cfs |
Weiser River Nr Cambridge Id
|
208cfs |
Imnaha River At Imnaha
|
150cfs |
Crane Creek At Mouth Nr Weiser Id
|
6cfs |
Nf Payette River At Mccall Id
|
265cfs |
Snake River At Weiser Id
|
10700cfs |
| Location | Reservations | Toilets |
|---|---|---|
Mcbride
|
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McBride Campground
|
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Fish Lake
|
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Fish Lake Campground
|
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Eagle Forks Campground
|
||
Eagle Forks
|