Bioswale
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Bioswales are channels designed to concentrate and convey stormwater runoff while removing debris and pollution. Bioswales can also be beneficial in recharging groundwater, reducing flooding and erosi
Runoff from the vicinity flows into an adjacent bioswale
Two bioswales for a housing development. The foreground one is under construction while the background one is established.
A curbside bioswale in Chicago.
Swale (landform)
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A swale is a shady spot, or a sunken or marshy place. In US usage in particular, it is a shallow channel with gently sloping sides. Such a swale may be either natural or human-made. Artificial swales
Bioswale
…consist of a swaled drainage course with gently sloped sides (less than 6%). Bioswale design is intended to safely maximize the time water spends in the swale, which aids the collection and removal of pollutants, silt and debris. Depending on the site topography, the bioswale channel may be straight or meander…
A constructed swale or bioswale built in a residential area to manage stormwater runoff
A natural swale