Septic System Overview

On-lot sewage systems are composed of two primary parts: 1) septic tanks or an aerobic tank, and 2) an absorption area. For more detail on the primary parts click the links below;

Septic Tank

Aerobic Tank

Absorption Area

The septic tanks remove the settleable and floatable solids from the wastewater. The aerobic tank acting in place of the septic tanks utilizes air pumped into the tank in addition to the settling action of the septic tank. 

The absorption area then utilizes the ability of the soil to filter and treat the remaining effluent before it reaches the water table. By removing the solids, the septic tanks and the aerobic tank protect the absorption area from becoming clogged. Proper maintenance of the septic tanks or the aerobic tank will prevent more costly problems with the absorption area. 


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