The High Woodlands Stormwater Detention Dam, located in King County, Washington, was completed in 1991 with the primary purpose of flood risk reduction along Juanita Creek.
Wind
Humidity
This earth dam, constructed with a stone core and soil foundation, stands at a hydraulic height of 27 feet and a structural height of 22 feet, with a length of 95 feet. It has a storage capacity of 29 acre-feet and a maximum discharge of 50 cubic feet per second.
Managed by the local government and regulated by the Washington Department of Ecology, this low hazard potential dam plays a crucial role in protecting the surrounding area from potential flooding events. While currently rated as "Not Rated" in terms of condition assessment, the High Woodlands Stormwater Detention Dam serves as a key infrastructure for water resource and climate enthusiasts in the region. Further inspection and maintenance will ensure its continued effectiveness in mitigating flood risks and safeguarding the community against water-related disasters.
Year Completed |
1991 |
Dam Length |
95 |
River Or Stream |
Juanita Creek |
Primary Dam Type |
Earth |
Hydraulic Height |
27 |
Drainage Area |
1 |
Nid Storage |
29 |
Structural Height |
22 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |
Thornton Creek Near Seattle
|
41cfs |
Mercer Creek Near Bellevue
|
12cfs |
Snohomish River Near Monroe
|
28500cfs |
Snoqualmie River Near Carnation
|
9660cfs |
Issaquah Creek Near Mouth Near Issaquah
|
300cfs |
Pilchuck River Near Snohomish
|
1020cfs |