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| 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 grass swales]]. | | For design recommendations on grassed channels, see [[Enhanced grass swales]]. |
− | <div class="col-md-8">{{TOClimit|2}}
| + | ==Overview== |
− | ===Overview===
| + | <strong>The fundamental components of a bioswale are:</strong> |
− | <p><strong>The fundamental components of a bioswale are:</strong>
| + | *A graded channel |
− | <ul>
| + | *Planting |
− | <li>A graded channel</li>
| + | *[[Bioretention: Filter media | Filter media]], to permit infiltration into the facility (not necessarily to soils below) |
− | <li>Planting</li>
| |
− | <li>[[Bioretention: Filter media | Filter media]], to permit infiltration into the facility (not necessarily to soils below)</li>
| |
− | </ul>
| |
| <strong>Additional components may include:</strong> | | <strong>Additional components may include:</strong> |
− | <ul>
| + | *[[Underdrain]] with clean out and inspection ports |
− | <li>[[Underdrain]] with clean out and inspection ports</li>
| + | *[[Liner|Impermeable membrane]] to prevent infiltration to soils below |
− | <li>[[Liner|Impermeable membrane]] to prevent infiltration to soils below</li>
| + | *[[Check dams]] to facilitate short tern ponding |
− | <li>[[Check dams]] to facilitate short tern ponding</li>
| + | ==Planning considerations== |
− | </ul>
| + | |
− | </p>
| + | ==Design== |
| + | Swales: Sizing |