In our workshops, one of the installation keys we discuss at great length is making sure sewage tanks, piping between system components and distribution or dropboxes are watertight. The reason for having watertight system components is twofold. First, you don’t want them leaking raw sewage or septic tank effluent into the surroundings or to create a pathway for runoff or groundwater to infiltrate into the system. Second, if the components are watertight, they will be resistant to root penetration.
Across the country, different types of vegetation are problematic to septic systems in terms of their roots aggressively searching for water and
