Infiltration Testing

Willowmead carry out on-site infiltration testing and recording, we will supply you with full set of calculations required to produce your infiltration rate in accordance with BRE Digest 365.     

An infiltration test also known as a percolation or perc test determines the rate at which water disperses into the ground.

With more and more extreme weather conditions causing flash flooding and rapid run-off, it’s now more important than ever to correctly design storm water disbursement systems such as drainage fields and soakaways. 

Most significant planning approvals for new dwellings and alike now have conditions attached know as SuDS (Sustainable Urban Drainage Systems). Knowing the permeability of your ground is crucial to SuDS.