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==Overview==

==Overview==

Bioretention systems may be the most well recognized form of [[low impact development]] (LID). They can fit into any style of landscape and encompass all mechanisms of action: [[infiltration]], filtration, attenuation and [[evapotranspiration]].

Bioretention systems may be the most well recognized form of [[low impact development]] (LID). They can fit into any style of landscape and utilize all of the treatment mechanisms: [[infiltration]], filtration, attenuation and [[evapotranspiration]].

{{textbox|Bioretention is an ideal technology for:  

{{textbox|Bioretention is an ideal technology for:  

*Fitting functional vegetation into urban landscapes  

*Fitting functional vegetation into urban landscapes  

*A surface ponding area

*A surface ponding area

*A filter bed containing a [[Bioretention: Filter media| filter media]]

*A filter bed containing a [[Bioretention: Filter media| filter media]]

*A water storage layer of [[reservoir aggregate]]

*An internal water storage reservoir composed of void-forming structures and or [[reservoir aggregate]] layer

*[[Plant lists|Plants]], and  

*[[Plant lists|Plants]], and  

*A filter bed surface cover layer (e.g. [[mulch]] and/or [[stone]])

*A filter bed surface cover layer (e.g. [[mulch]] and [[stone]])

'''Additional components may include:'''  

'''Additional components may include:'''  

*An [[underdrain]] to redistribute or remove excess water

*An [[underdrain]] to redistribute or remove excess water

*Filter media [[additives]] intended to enhance nutrient and related water quality pollutant removal

*Filter media [[additives]] intended to enhance retention of nutrients, metals, hydrocarbons or bacteria.

==Planning considerations==

==Planning considerations==