Rain gardens

From LID SWM Planning and Design Guide
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This article is about planted installations designed to capture surface runoff in an amended soil.
For more highly engineered systems, see Bioretention Cells.

Overview[edit]

Rain gardens are the

Rain gardens are ideal for:

  • Capturing the flow from disconnected downspouts
  • Community design/build projects for raising awareness


The fundamental components of a rain garden are:

  • An amended soil mix
  • Suitable planting

Additional components may include:

  • Impermeable membrane to prevent infiltration to soils below

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Planning Considerations[edit]

Planning Content

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Design[edit]

Design Content

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Performance[edit]

Performance Content

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Incentives and Credits[edit]

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


See Also[edit]


External Links[edit]


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