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Line 4: − [[File:LittaTrapV2.png|400px|thumb|right|LittaTrap catchbasin insert filters trash, debris, and sediment from runoff before it enters the catchbasin (Enviropod, 2022).<ref>Enviropod. 2022. https://www.enviropod.com/en-ca/products/littatrap</ref>]] Line 11:
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==Applications==
==Applications==
Stormwater practices that use filtration as a mechanism for treatment of runoff include:
Stormwater practices that use filtration as a mechanism for treatment of runoff include:
*[[Bioretention]] technologies have been shown to effectively filter sediment from parking lot, road and residential runoff (STEP, 2019).<ref>Sustainable Technologies Evaluation Program. 2019. Comparative Performance Assessment of Bioretention in Ontario. https://sustainabletechnologies.ca/app/uploads/2019/10/STEP_Bioretention-Synthesis_Tech-Brief-New-Template-2019-Oct-10.-2019.pdf</ref>
*[[Bioretention]] technologies have been shown to effectively filter sediment from parking lot, road and residential runoff (STEP, 2019).<ref>Sustainable Technologies Evaluation Program. 2019. Comparative Performance Assessment of Bioretention in Ontario. https://sustainabletechnologies.ca/app/uploads/2019/10/STEP_Bioretention-Synthesis_Tech-Brief-New-Template-2019-Oct-10.-2019.pdf</ref>
*[[Stormwater planters]] filter runoff through a planting bed of filter media and can be installed in tight urban spaces
*[[Stormwater planters]] filter runoff through a planting bed of filter media and can be installed in tight urban spaces
*[[Pretreatment]] options, such as [[Vegetated filter strips|vegetated filter strips]] and catch basin inserts
*[[Pretreatment]] options, such as [[Vegetated filter strips|vegetated filter strips]] and catch basin inserts
{{:Filtration: Gallery}}
==Key system design parameters==
==Key system design parameters==