Lake Forest Park Reservoir, located in King County, Washington, is a crucial water supply facility managed by the local government.
Wind
Humidity
Constructed in 1962, this earth dam stands at a height of 30 feet and has a storage capacity of 206 acre-feet, with a normal storage level of 184 acre-feet. The reservoir covers an area of 8.7 acres and is fed by Tr-Lyon Creek-Offstream.
Managed by the Washington Department of Ecology, Lake Forest Park Reservoir is inspected every 5 years, with the last assessment conducted in September 2020. The dam is classified as having a high hazard potential but is currently in satisfactory condition. The emergency action plan was last revised in May 2021, ensuring that appropriate measures are in place in case of any unforeseen events.
With its primary purpose being water supply, Lake Forest Park Reservoir plays a vital role in meeting the water needs of the surrounding area. Situated in a picturesque location in Lake Forest Park, this reservoir stands as a testament to effective water resource management and the importance of maintaining infrastructure for climate resilience in the face of changing environmental conditions.
Year Completed |
1962 |
Dam Length |
2320 |
River Or Stream |
Tr-Lyon Creek-Offstream |
Primary Dam Type |
Earth |
Surface Area |
8.7 |
Hydraulic Height |
30 |
Nid Storage |
206 |
Structural Height |
25 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
30 |
Thornton Creek Near Seattle
|
41cfs |
Snohomish River Near Monroe
|
45400cfs |
Mercer Creek Near Bellevue
|
12cfs |
Pilchuck River Near Snohomish
|
1300cfs |
Snoqualmie River Near Carnation
|
13800cfs |
Issaquah Creek Near Mouth Near Issaquah
|
384cfs |