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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]].
For underground conveyance which promotes infiltration, see [[Exfiltration trenches]].
For conveyance along planted channels, on both surface and underground, see [[Bioswales]].
For conveyance along planted channels, on both surface and underground, see [[Bioswales]].
<p><strong>The fundamental components of an enhanced grassed swale are:</strong>
<ul>
<li>Graded channel</li>
<li>Resilient turf grass</li>
<li><li>[[Check dams]] to facilitate short tern ponding</li>
</ul>
<strong>Additional components may include:</strong>
<ul>
<li>[[Filter media]] - an engineered soil mix</li>
<li>[[Liner|Impermeable membrane]] to prevent infiltration to soils below</li>
<li>[[Turf reinforcement]] to prevent scour</li>
</ul>
</p>