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What are Infiltration Galleries? The Constructor. The infiltration galleries work best when it is surrounded by a soil that is surrounded by a sufficiently permeable soil so that the gallery can easily collect the water. Gravel is one such permeable soil material that facilitates the flow of water to the infiltration gallery with ease. Gravel also helps trap the large. See more

What are Infiltration Galleries? The Constructor
What are Infiltration Galleries? The Constructor from alchetron.com

An infiltration gallery is a structure including perforated conduits in gravel to expedite transfer of water to or from a soil.