A percolation test is a method of assessing the hydraulic assimilation capacity of a given soil type. (i.e. how much water can pass through the soil pores) by excavating a small area and monitoring the time taken for a given amount of water to disperse. TESTING OF PERCOLATION HOLES In the percolation area, the soil and subsoil are used to treat and dispose of effluent arising from septic tanks, in an environmentally safe manner. Trial hole tests and … Continue reading Percolation Testing