Landscaping Basics Part II: Tanks, Pretreatment Units and Architectural Features

What property owners do around their tanks and pretreatment units and over their soil treatment can greatly impact the accessibility and longevity of the system.Vegetation around tanks and pretreatment units Pretreatment occurs in septic tanks and pretreatment units prior to final treatment in the soil. Typical pretreatment units include septic or pump tanks, aerobic units, and media filters. These pretreatment systems typically have manholes and accesses at grade for operation and  maintenance and should all remain at grade. The finished grade around these access points should slope away from the pretreatment unit for drainage and not allow soil or other debris