Bioswales: Gallery
Revision as of 01:40, 3 November 2017 by Jenny Hill (talk | contribs)
.jpg)
Bioswale in High Point neighborhood, Seattle, WA
Photo credit: USEPA
Streetside swale Seattle
Linear bioretention cell designed to convey, treat and attenuate stormwater runoff. The engineered filter media soil mixture and vegetation slows the runoff water to allow sedimentation, filtration through the root zone, evapotranspiration, and infiltration into the underlying native soil.
A shallow constructed channel, often grass-lined, which is used as an alternative to curb and channel, or as a pretreatment to other measures. Swales are generally characterized by a broad top width to depth ratio and gentle grades.