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*All new road/storm sewer constructions where no constraints to infiltration exist,
*All new road/storm sewer constructions where no constraints to infiltration exist,
*Tight urban spaces where no landscaped practices can be squeezed in, and there is a low risk tolerance for flooding.}}
*Tight urban spaces where no landscaped practices can be squeezed in, and there is a low risk tolerance for flooding.}}
Take a look at the downloadable Exfiltration Trench Systems Factsheet below for a .pdf overview of this LID Best Management Practice:
{{Clickable button|[[File:Exfiltration.png|150 px|link=https://wiki.sustainabletechnologies.ca/images/4/4e/Exfiltration_systems_final.pdf]]}}
'''The fundamental components of an exfiltration system are:'''
'''The fundamental components of an exfiltration system are:'''
*[[pretreatment| pre-treatment devices]] to retain coarse sediment, trash, debris and floatables,
*[[pretreatment| pre-treatment devices]] to retain coarse sediment, trash, debris and floatables,