Set up routine septic pumping every 3-- 5 years, with effluent filter cleaning
https://romeo-wiki.win/index.php/The_Homeowner%27s_Guide_to_Septic,_Drain,_and_Excavation_Services:_What%27s_Worth_the_Investment%3F
Arrange regular septic pumping every 3-- 5 years, with effluent filter cleaning. If slow drains continue, add line scoping to verify root invasion or breaks before licensing digs.