One question has come up around a primary principle we’ve discussed many times: the keep it shallow, or KISS, principle, where the second S can be filled in using your imagination. The KISS principle is based on the concept that the most permeable and most biologically active part of the soil profile for both the acceptance and treatment of septic effluent occurs at the surface or upper portions of a soil profile.
The question is: If I have a limiting soil condition such as slowly permeable clay soil or the presence of dense soil layers or caliche — and I know there
