The August issue of Onsite Installer included an editor's column asking for practitioners' comments about the wisdom of leaving trees near onsite systems. There were two basic questions: Do trees near the system lead to root intrusion and blockages? And do excavations that cut roots ultimately weaken and kill the trees? Here are the responses:
20 feet clear?
I have been involved with septic systems since 1981 as both a designer and regulator. During this time I have had many experiences with tree roots clogging leaching areas. The worst one was when the owners never










