Permeable pavements: Gallery

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  Porous asphalt, Coultice Park, Whitchurch-Stoufville, ON

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  Laneways retrofit program, Toronto ON

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  Permeable concrete at Lakeside Park, Mississauga ON

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  Permeable pavers on residential driveways, Brampton ON

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  Permeable pavers on a shared street, Georgetown ON

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  Permeable pavers in parking bays, Mississauga ON (note inspection of bioretention occurring in the background)

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  Although this permeable pavement at Belfountain Conservation Area was not maintained, it remains structurally sound after over 30 years of constant use.

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  Permeable pavers on an alley near downtown Seattle, US (Source: Brett VA)

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  Permeable Interlocking Concrete Pavement (PICP) on a narrow road between buildings in Chicago (Source: ICPI)

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  Different colours of permeable pavers in parking lot, CVC headquarters, Mississauga ON

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  Inspection wells should be located at the edges or even off the side of permeable pavement areas

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  Water quality sampling in permeable pavement study, Mississauga ON

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  Pervious concrete walkway plaza (Source: Villanova Urban Stormwater Partnership)

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  PICP on a road with concrete edge restraints separating the impervious and permeable pavements (source STEP)

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  Porous asphalt parking lot (Source: Villanova Urban Stormwater Partnership)

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  Permeable Interlocking Concrete Pavement on a residential road (source: STEP)

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  Permeable pavers in Hoboken, NJ used around trees which allow air and water to reach the roots (Source: Bruce Ferguson).

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  Permeable pavers used in combination with bioretention in a parking lot in Elmhurst, IL (Source: ICPI).

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

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.

Credit Valley Conservation

A hard surface area (e.g., road, parking area or rooftop) that prevents or retards the infiltration of water into the soil.

Sustainable Technologies Evaluation Program

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