Georgia Septic Installer Practice Test

How does a dosing tank function within an absorption system?

1. By treating wastewater chemically

2. By pumping effluent at controlled intervals

3. By cooling the effluent

4. By storing solid waste

The correct answer is: By pumping effluent at controlled intervals

A dosing tank plays a critical role in an absorption system by carefully managing the transfer of effluent to the drain field. Its primary function is to pump effluent at controlled intervals, which ensures that the liquid is distributed evenly and at appropriate volumes throughout the absorption area. This controlled pumping is essential for maintaining the performance of the absorption field, as it prevents overloading and allows for optimal absorption of wastewater into the soil. By regulating the timing and volume of effluent release, the dosing tank helps to promote effective treatment of the wastewater, as it allows the soil to adequately absorb and treat the liquid without becoming saturated. This promotes the natural filtration processes of the soil, which are crucial for breaking down contaminants in the wastewater. Thus, the operation of the dosing tank directly impacts the efficiency and effectiveness of the overall septic system.