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==Soakaways and Infiltration Trenches==

==Soakaways and Infiltration Trenches==

Soakaways, also known as [[infiltration galleries]] and dry wells, are excavations in native soil that are filled with clean granular stone. Soakaways are typically designed with a perforated pipe inlet from a relatively clean water source, such as a roof tops or pedestrian area. When possible, install soakaways in areas where native soils allow for infiltration. If poorly draining soils are present, an underdrain can be installed to remove standing water.

Soakaways, also known as [[infiltration chambers]] or dry wells, are excavations in native soil that are filled with clean granular aggregates. Soakaways are typically designed with a [[pipes|perforated pipe]] inlet from a relatively clean water source, such as a roof tops or pedestrian area.  

 

When possible, install soakaways in areas where native soils allow for infiltration. If poorly draining soils are present, an [[underdrain]] can be installed to remove standing water.

Where lot size is a constraint, a linear variation known as [[infiltration trenches]] can be used. This technique may be appropriate for sites where retrofit space is limited to long strips between buildings or along property lines.

Where lot size is a constraint, a linear variation known as [[infiltration trenches]] can be used. This technique may be appropriate for sites where retrofit space is limited to long strips between buildings or along property lines.