Changes

This article is about installations designed to capture and convey surface runoff along a vegetated channel, whilst also promoting infiltration. <br>

This article is about installations designed to capture and convey surface runoff along a vegetated channel, whilst also promoting infiltration. <br>

For underground conveyance which promotes infiltration, see [[Exfiltration trenches]]. <br>

For underground conveyance which promotes infiltration, see [[Exfiltration trenches]]. <br>

For design recommendations on grassed channels, see [[Enhanced swales]].

For design recommendations on channels in which surface flow is controlled with [[check dams]], see [[Enhanced swales]].

==Overview==

==Overview==

'''The fundamental components of a bioswale are:'''

'''The fundamental components of a bioswale are:'''

*A graded channel

*A graded channel

*Planting

*[[Plant lists|Planting]]

*[[Underdrain]] with clean out and inspection ports

*[[Underdrain]] with clean out and inspection ports

*[[Bioretention: Filter media | Filter media]], to permit infiltration into the facility (not necessarily to soils below)

*[[Bioretention: Filter media | Filter media]], to permit infiltration into the facility (not necessarily to soils below)