Bitter Lake Reservoir, located within Seattle City Limits in King County, Washington, is a vital water supply source managed by the local government.
Wind
Humidity
The reservoir, with a storage capacity of 71 acre-feet and a surface area of 3.3 acres, serves as a crucial resource for the surrounding area. Completed in 1958, the earth dam structure stands at a hydraulic height of 27 feet, providing the necessary water storage for the region.
Managed by the Washington Dept of Ecology, Bitter Lake Reservoir is regulated and inspected regularly to ensure its safety and functionality. The dam's hazard potential is classified as high, but its condition assessment remains satisfactory as of the last inspection in September 2020. With a designated emergency action plan and updated contact information, the reservoir is well-prepared to handle any potential risks or emergencies.
Being part of the Tr-Puget Sound-Offstream system, Bitter Lake Reservoir plays a crucial role in water supply management for the region. With its strategic location and efficient operation, the reservoir continues to support the community's water needs while adhering to regulatory guidelines and safety standards.
Year Completed |
1958 |
Dam Length |
1100 |
River Or Stream |
Tr-Puget Sound-Offstream |
Primary Dam Type |
Earth |
Surface Area |
3.3 |
Hydraulic Height |
27 |
Drainage Area |
0.01 |
Nid Storage |
71 |
Structural Height |
25 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
27 |
Thornton Creek Near Seattle
|
41cfs |
Mercer Creek Near Bellevue
|
12cfs |
Snohomish River Near Monroe
|
28500cfs |
Duwamish River At Golf Course At Tukwila
|
6700cfs |
Cedar River At Renton
|
5160cfs |
Issaquah Creek Near Mouth Near Issaquah
|
300cfs |