Bioretention cells: Gallery

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  Parking lot bioretention with inspection well in foreground, Kortright centre, Vaughan

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  Parking lot bioretention sharing underground reservoir with adjacent permeable paving, Edwards gardens, Toronto

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  Parking lot bioretention with decorative aggregate for erosion control, and inspection well in foreground, Earth rangers, Vaughan

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  The sunken curb holds the edge of the asphalt pavement and lets water freely flow to the bioretention cell beside the 7sigma parking lot in Minneapolis, MN (USA)
  Photo credit:BrianAsh

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  Bioretention cells on Elm Drive, Mississauga, are lower then the adjacent road to accommodate a catch basin inlet between the paved surface and the cells.

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

An alternative practice to traditional impervious pavement, prevents the generation of runoff by allowing precipitation falling on the surface to infiltrate through the surface course into an underlying stone reservoir and, where suitable conditions exist, into the native soil.

A broad category of particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates, and available in various particulate size gradations.

Includes the protection of soil from dislocation by water, wind or other agents.

A mixture of mineral aggregates bound with bituminous materials, used in the construction and maintenance of paved surfaces.

Ground depression acting as a flow control and water treatment structure, that is normally dry.