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This article is about underground systems which distribute concentrated flow along a level, linear facility to promote infiltration to native soils. <br>

This article is about underground systems which distribute concentrated flow along a level, linear facility to promote infiltration to native soils. <br>

For a similar structure, which differs in being designed to receive excess flow and convey it, whilst promoting infiltration to native soils, see [[exfiltration trenches]].

For a similar structure, which differs in being designed to receive excess flow and convey it, while promoting infiltration to native soils, see [[exfiltration trenches]].

[[File:Kortright trench.PNG|thumb|The infiltration trench at Kortright is topped with [[filter fabric]] and decorative [[stone]], both of which provide some [[pretreatment]] and can easily be removed and replaced as an occasional maintenance task. For more details click [https://sustainabletechnologies.ca/app/uploads/2016/08/BioVSTrench_TechBrief__July2015.pdf here] ]]   

[[File:Kortright trench.PNG|thumb|The infiltration trench at Kortright is topped with [[filter fabric]] and decorative [[stone]], both of which provide some [[pretreatment]] and can easily be removed and replaced as an occasional maintenance task. For more details click [https://sustainabletechnologies.ca/app/uploads/2016/08/BioVSTrench_TechBrief__July2015.pdf here] ]]   

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