Enhanced grass swales

From LID SWM Planning and Design Guide
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This article is about installations designed to capture and convey surface runoff along a vegetated channel, whilst also promoting infiltration.
For underground conveyance which promotes infiltration, see Exfiltration trenches.
For conveyance along planted channels, on both surface and underground, see Bioswales.

=Overview[edit]

The fundamental components of an enhanced grassed swale are:

Additional components may include: