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This article is specific to [[bioretention]], vegetated systems that infiltrate water to the native soil. <br>
[[File:Bioretention sizing update.png|thumb|500px|The vertical storage zones in a bioretention cell include: ponding, mulch, filter media, choker layer, embedded pipe diameter depth and the storage reservoir.]]
If you are designing a planted system which does not infiltrate water, see advice on [[Planters: Sizing]].
This article is specific to [[bioretention]], vegetated systems that infiltrate water to the native soil.
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If you are designing a planted system which does not infiltrate water, see advice on [[Planters: Sizing]].<br>
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Many of the dimensions in a bioretention system can be predetermined according to the function of the component. There is greatest flexibility in the ponding depth, filter media depth and the depth of the internal water storage reservoir beneath the optional underdrain pipe. The table below describes some recommended values to use to begin the design process.
Many of the dimensions in a bioretention system can be predetermined according to the function of the component. There is greatest flexibility in the ponding depth, filter media depth and the depth of the internal water storage reservoir beneath the optional underdrain pipe. The table below describes some recommended values to use to begin the design process.
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