An infiltration trench is an excavated channel in the ground. It is filled with porous material and collects water that runs off buildings, roads or other impermeable surfaces.
The water then soaks into the surrounding soil and improves groundwater levels. Infiltration trenches increase [simple_tooltip content=’A permeable surface is made of material that allows for water to pass through its structure. ‘]permeability[/simple_tooltip] and reduce stormwater flows.
Infiltration trenches can be a useful tool to help keep our trees healthy.