The Redmond Ridge Drive Ec 4n Roadway Dam, located in Redmond, Washington, is a critical infrastructure managed by the local government for flood risk reduction along an offstream tributary to Evans Creek.
Wind
Humidity
Constructed in 2003 by KPFF Engineers, this earth dam stands at a hydraulic height of 8 feet with a length of 800 feet, providing a maximum storage capacity of 148 acre-feet. With a hazard potential classified as high, the dam's condition assessment is deemed satisfactory as of the last inspection in August 2019.
Operated under the oversight of the Washington Department of Ecology, the Redmond Ridge Drive Ec 4n Roadway Dam plays a crucial role in mitigating potential flooding in the area. Its design and construction reflect a commitment to maintaining public safety and infrastructure resilience in the face of climate change impacts. With a focus on flood risk reduction, the dam serves as a vital component in the overall water resource management strategy for King County, Washington.
As water resource and climate enthusiasts, understanding the technical details and regulatory framework surrounding the Redmond Ridge Drive Ec 4n Roadway Dam provides insight into the intersection of infrastructure, environmental stewardship, and community resilience. Monitoring and maintaining this essential piece of flood control infrastructure ensures the protection of lives, property, and natural resources in the region, highlighting the significance of proactive dam management in adapting to changing hydrological conditions.
Year Completed |
2003 |
Dam Length |
800 |
River Or Stream |
Offstream-Trib. to Evans Cr |
Primary Dam Type |
Earth |
Surface Area |
7.91 |
Hydraulic Height |
8 |
Drainage Area |
0.48 |
Nid Storage |
148 |
Structural Height |
8 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
8 |
Snoqualmie River Near Carnation
|
13800cfs |
Issaquah Creek Near Mouth Near Issaquah
|
384cfs |
Mercer Creek Near Bellevue
|
12cfs |
Tolt River Near Carnation
|
1130cfs |
Snohomish River Near Monroe
|
45400cfs |
Raging River Near Fall City
|
277cfs |