The traditional absorption field should be laid in trenches not more than how many inches below the ground surface?

The traditional absorption field, often referred to in the context of a septic system, is designed to filter and treat wastewater as it percolates through the soil. Installing absorption trenches at the correct depth is crucial for ensuring proper functionality and avoiding issues related to wastewater treatment.

The correct answer indicates that trenches should not be laid more than 24 inches below the ground surface. This depth allows for adequate aeration and contact between the effluent and soil, which are essential for the biological treatment processes that take place in an absorption field. When trenches are too deep, it can hinder the natural treatment processes, as well as reduce the amount of oxygen available to the bacteria responsible for breaking down waste. Furthermore, deeper trenches could lead to insufficient drainage and higher chances of system failure.

In summary, maintaining trenches at a maximum depth of 24 inches supports effective wastewater treatment and helps prevent complications that could arise from improper installation depth.