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→Design
==Design==
==Design==
[[File:DepressedDrain_SoilCell.png|thumb|500px|A surface [[inlets|inlet]] configuration featuring a depressed drain routing water collected from the street to an enclosed area infiltrating water to soil cells underneath.]]
[[File:DepressedDrain_SoilCell.png|thumb|500px|A surface [[inlets|inlet]] configuration featuring a depressed drain routing water collected from the street to an enclosed area infiltrating water to soil cells underneath.]]
Things to consider in design:
*If the system is unlined it is hydraulically equivalent to a [[bioretention]] cell and provides similar water quality benefits.
*If the system is lined and underdrained it is hydraulically similar to a large [[stormwater planter]]. Depending on the design detail it may retain significant stormwater within the planting soil volume and will provide water quality benefits.
===Geometry and Site Layout===
===Geometry and Site Layout===