Infiltrators

An infiltrator chamber system is a modern alternative to the stone bed leach field. Instead of washed stone providing the void space they use lightweight, open bottom, plastic chambers. These chambers create the storage and infiltration area for the waste to be treated naturally by the surrounding soil. The primary function of an infiltrator is to provide healthy oxygen exchange for the effluent to grow the necessary bacteria for effective treatment.

As an alternative to a stone bed, an infiltrator system will generally require a smaller footprint. They will have a tendency to clog up and stop the flow of oxygen which leads to failure of the system. The work around for this problem has been to backfill with crushed stone around the devices. This, of course, complicates the installation process and adds another material cost to the installation. Another weakness is fragility as they are very susceptible to collapse and shifting over time. An infiltrator system will also tend to build up much higher than the alternatives. A higher system is generally more unsightly and will be more likely to require effluent pumping which can significantly increase the cost of a new system.

Pictured is an Infiltrator system that was installed by Spear Head Excavation in Bowdinham, ME.