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| This article is about planted installations designed to capture and filter surface runoff through an engineered soil (biomedia) to underground infrastructure. <br> | | This article is about planted installations designed to capture and filter surface runoff through an engineered soil (biomedia) to underground infrastructure. |
| For simpler, residential systems, see [[Rain gardens]]. <br> | | <br> For simple systems (typically without regulatory control), see [[Rain gardens]]. |
| For linear systems, which convey flow, but are otherwise similar see [[Swales|Bioswales]]. | | <br> For linear systems, which convey flow, but are otherwise similar see [[Swales|Bioswales]]. |
| <div class="col-md-8"> | | <div class="col-md-8"> |
| {{TOClimit|2}} | | {{TOClimit|2}} |
| ===Overview=== | | ===Overview=== |
| | | <p>Bioretention cells are one of the most well recognized form of Low Impact Development. They can encompass all mechanisms of action: infiltration, filtration and evapotranspiration. |
| <p>Bioretention cells are one of the most well recognized form of Low Impact Development. They can encompass all mechanisms of action: infiltration, filtration and evapotranspiration. | | </p> |
| </p> | |
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| {{TextBox|1=Bioretention cells are an ideal technology for: | | {{TextBox|1=Bioretention cells are an ideal technology for: |
| *Fitting functional vegetation into urban landscapes | | *Fitting functional vegetation into urban landscapes |
| *Treating runoff collected from nearby impervious surfaces}} | | *Treating runoff collected from nearby impervious surfaces}} |
| | | <p><strong>The fundamental components of a bioretention cell are:</strong> |
| <p><strong>The fundamental components of a bioretention cell are:</strong> | | *[[Biomedia]]: An engineered soil mix |
| *Biomedia: An engineered soil mix | |
| *Planting | | *Planting |
| *Storage layer of coarse aggregate | | *Storage layer of [[Reservoir_gravel|coarse aggregate]] |
| <strong>Additional components may include:</strong> | | <strong>Additional components may include:</strong> |
| *Under-drain to redistribute or remove excess water | | *[[Underdrain]] to redistribute or remove excess water |
| *Impermeable membrane to prevent infiltration to soils below | | *[[Liner|Impermeable membrane]] to prevent infiltration to soils below |
| </p> | | </p> |
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| </div> | | </div> |
| <div class="col-md-4"> | | <div class="col-md-4"> |
| | | <panelSuccess> |
| <panelSuccess> | | <gallery mode="packed" widths=300px heights=300px> |
| <gallery mode="packed" widths=300px heights=300px> | | Edwards Gardens Bio 2014.JPG| These bioretention cells at Edwards Gardens in Toronto receive inflow from hydraulically connected permeable paving. |
| Edwards Gardens Bio 2014.JPG| These bioretention cells at Edwards Gardens in Toronto receive inflow from hydraulically connected permeable paving. | | </gallery> |
| </gallery> | | </panelSuccess> |
| </panelSuccess> | |
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| </div> | | </div> |
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