Bonney Lake Wsu Infiltration Pond, located in Pierce County, Washington, is a local government-owned facility designed by Barghausen Consulting Engineers for flood risk reduction.
Wind
Humidity
Completed in 2018, this offstream earth dam is 5 feet high with a hydraulic height of 5 feet and a length of 1000 feet. The pond has a storage capacity of 35 acre-feet, with a normal storage of 30 acre-feet and a surface area of 13.2 acres. It serves the primary purpose of flood risk reduction and is regulated by the Washington Department of Ecology.
Although the pond has a high hazard potential, its condition assessment in August 2018 deemed it satisfactory. With a 5-year inspection frequency, the facility meets state permitting, inspection, and enforcement requirements. While no emergency action plan (EAP) was prepared at the time of data update, the facility is equipped to handle emergencies and ensure public safety. The Bonney Lake Wsu Infiltration Pond plays a crucial role in managing stormwater and reducing flood risks in the area, showcasing the intersection of water resource management and climate resilience efforts.
Year Completed |
2018 |
Dam Length |
1000 |
River Or Stream |
Offstream |
Primary Dam Type |
Earth |
Surface Area |
13.2 |
Hydraulic Height |
5 |
Drainage Area |
0.2 |
Nid Storage |
35 |
Structural Height |
5 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
5 |
South Prairie Creek At South Prairie
|
686cfs |
Puyallup River At Alderton
|
4600cfs |
Lake Tapps Diversion At Dieringer
|
1200cfs |
Boise Creek At Buckley
|
9cfs |
White River Above Boise Creek At Buckley
|
8310cfs |
Puyallup River At Puyallup
|
13100cfs |