a sewer pipe with a diameter of 160 mm enters the septic tank tank, installation of a single-chamber home sewage treatment plant.

160 160mm bacteria biological canalization chamber combined connected connection decay diameter dirty ditch drain drainage ecological effluent enters equipment excavation ground groundwater hole home industrial industry inserted installation linked material outdoors piercing pipe pipeline pipes pit plant plastic plumbing pollution reservoir safety septic sewage sewer sewerage single singlechamber soil system tank treatment trench wastewater water waterproofing well