Bellevue’s drainage system—composed of streams, lakes, wetlands, food detention sites, pipes and ditches—has been designed to hold and carry water during storms to prevent flooding. However, when heavy storms hit, some flooding can occur. Flooding can cause streambank erosion, destroy salmon eggs and cause property damage.
To prepare for heavy rains and prevent flooding in your neighborhood:
The city's drainage system, including pipelines and in-stream regional flood control facilities, is detailed in the Draft 2012 Stormwater Plan.
Drainage Around Your Home