A reader recently asked, “I’m relatively new to this and learning more and more on each (septic system) design. What is the difference between a pressure trench system and a drip dispersal system?” While I have discussed the use of pressure systems in the past, new people are always coming into the industry and technicians are expanding their knowledge and skills. So since the question was asked, here is a brief overview of pressure distribution systems.
The primary reason we move to pressure distribution systems is to overcome a variety of site and soil characteristics where conventional gravity flow systems
