Swales

This article is about planted installations designed to capture and convey surface runoff through an engineered soil with subterranean infrastructure.
For node type systems, see Bioretention Cells.

Overview

Bioswales are the

Bioswales are an ideal technology for:

• Sites with long linear landscaped areas, such as parking lots
• Connecting with one or more other types of LID

The fundamental components of a bioretention cell are:

• Biomedia - an engineered soil mix
• Planting -

Additional components may include:

• Impermeable membrane to prevent infiltration to soils below
• Check dams

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  Bioswale?

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Planning Considerations

Planning Content

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  Bioretention cell capturing and treating runoff from adjacent parking lot at the Kortright Centre, Vaughan.

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Design

Design Content

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  Bioretention cell capturing and treating runoff from adjacent parking lot at the Kortright Centre, Vaughan.

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Performance

Performance Content

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Incentives and Credits

In Ontario

City of Mississauga
The City of Mississauga has a stormwater management credit program which includes RWH as one of their recommended site strategies[1].

LEED BD + C v. 4

SITES v.2

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See Also

• Bioretention Cells
• Check Dams

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External Links

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The portion of water precipitated onto a catchment area, which then flows as surface discharge from the catchment area past a specified point.

Water from rain, snow melt, or irrigation that flows over the land surface.

Linear bioretention cell designed to convey, treat and attenuate stormwater runoff. The engineered filter media soil mixture and vegetation slows the runoff water to allow sedimentation, filtration through the root zone, evapotranspiration, and infiltration into the underlying native soil.

Low Impact Development. A stormwater management strategy that seeks to mitigate the impacts of increased urban runoff and stormwater pollution by managing it as close to its source as possible. It comprises a set of site design approaches and small scale stormwater management practices that promote the use of natural systems for infiltration and evapotranspiration, and rainwater harvesting.

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.

Structures constructed of a non-erosive material, such as suitably sized aggregate, wood, gabions, riprap, or concrete; used to slow runoff water. Can be employed in practices such as bioswales and enhanced grass swales.

Linear bioretention cell designed to convey, treat and attenuate stormwater runoff. The engineered filter media soil mixture and vegetation slows the runoff water to allow sedimentation, filtration through the root zone, evapotranspiration, and infiltration into the underlying native soil.

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.

Rainwater harvesting.