Johnson Log Sorting Pond, located in Coquille, Oregon, is a state-owned structure managed by the Oregon Water Resources Department.
Wind
Humidity
This Earth-type dam, completed in 1951, stands at a height of 11 feet and serves as a vital component in the Coquille River watershed. With a storage capacity of 491 acre-feet and a surface area of 82 acres, the pond plays a crucial role in water resource management and log sorting activities in the region.
The dam, with a structural height of 12.5 feet and a hydraulic height of 9 feet, features a slide (sluice gate) outlet gate for water release. Despite being classified as a low hazard potential structure, Johnson Log Sorting Pond is subject to regular inspections by state regulatory agencies to ensure its safety and functionality. With a history dating back to the mid-20th century, this pond continues to play a significant role in the local ecosystem and water management practices.
Situated within the Portland District of the US Army Corps of Engineers, Johnson Log Sorting Pond remains a key feature in the Coquille River landscape. As climate change impacts water resources worldwide, structures like this play a crucial role in maintaining water quality, quantity, and flow for both human and environmental needs. Climate enthusiasts and water resource professionals alike can appreciate the importance of this state-regulated dam in sustaining the delicate balance of the Coquille River ecosystem.
Year Completed |
1951 |
Dam Length |
7480 |
Dam Height |
11 |
River Or Stream |
COQUILLE RIVER |
Primary Dam Type |
Earth |
Surface Area |
82 |
Hydraulic Height |
9 |
Nid Storage |
491 |
Structural Height |
12.5 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
Low |
Nid Height |
13 |
South Fork Coquille River At Powers
|
123cfs |
Little Wolf Creek Near Tyee
|
4cfs |
West Fork Cow Creek Near Glendale
|
19cfs |
Rogue River Near Agness
|
2040cfs |
South Umpqua River Near Brockway
|
351cfs |
North Umpqua River At Winchester
|
1330cfs |