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This study evaluates the performance of a [Bioretention]] system that treats runoff from a commercial parking lot (Earth Rangers, located in Vaughan, ON.). Key parameters examined include runoff volumes, runoff reduction, surface ponding and infiltration, water quality, surface soil and effluent water temperatures, soil moisture and operation and maintenance requirements. Results show that bioretention systems can significantly improve the management of stormwater runoff from parking lots and other small drainage areas relative to conventional treatment practices. Runoff volumes were reduced by over 90% and the mass of pollutants discharged from the facility was between 65 and 92% less than that discharged from a nearby asphalt pavement. To read more about these results and the various operation and maintenance requirements of these LID features click the button above.  

This study evaluates the performance of a [Bioretention]] system that treats runoff from a commercial parking lot (Earth Rangers, located in Vaughan, ON.). Key parameters examined include runoff volumes, runoff reduction, surface ponding and infiltration, water quality, surface soil and effluent water temperatures, soil moisture and operation and maintenance requirements. Results show that bioretention systems can significantly improve the management of stormwater runoff from parking lots and other small drainage areas relative to conventional treatment practices. Runoff volumes were reduced by over 90% and the mass of pollutants discharged from the facility was between 65 and 92% less than that discharged from a nearby asphalt pavement. To read more about these results and the various operation and maintenance requirements of these LID features click the button above.  

{{Clickable button|[[File:Unitarian congregation.PNG|130 px|link=https://cvc.ca/wp-content/uploads//2021/07/CaseStudy_Unitarian_Final.pdf]]}}

{{Clickable button|[[File:Unitarian congregation.PNG|130 px|link=https://cvc.ca/document/unitarian-congregation-case-study/?access=d8c24db3bcf3631c02129006e10c1eb1]]}}

The Unitarian Congregation in Mississauga (UCM) is located on South Service Road within the Cooksville Creek Watershed. that drains into Lake Ontario. The site sits on sandy soils, which are ideal conditions for low impact development practices that infiltrate stormwater. A  large [[Bioretention]] cell was constructed in the center of the parking lot. The bioretention cell filters and absorbs rainwater running off the parking lot. The bioretention cell is also landscaped with many native plants that create habitat for the numerous bird and insect species on the site. [[Filter strips]], were added a year after construction of the site, which successfully stabilized the

The Unitarian Congregation in Mississauga (UCM) is located on South Service Road within the Cooksville Creek Watershed. that drains into Lake Ontario. The site sits on sandy soils, which are ideal conditions for low impact development practices that infiltrate stormwater. A  large [[Bioretention]] cell was constructed in the center of the parking lot. The bioretention cell filters and absorbs rainwater running off the parking lot. The bioretention cell is also landscaped with many native plants that create habitat for the numerous bird and insect species on the site. [[Filter strips]], were added a year after construction of the site, which successfully stabilized the