Georgia Septic Installer Practice Test

Which of the following is a requirement for installing emitter lines?

1. They should be installed in straight lines only

2. They should follow the naturally occurring ground contour

3. They must be installed at a 30-degree angle

4. They can be buried under any type of material

The correct answer is: They should follow the naturally occurring ground contour

The requirement for installing emitter lines is that they should follow the naturally occurring ground contour. This guideline is essential because it ensures proper drainage and water distribution within the soil, allowing for efficient wastewater treatment. By aligning with the natural topography, the emitter lines can take advantage of gravity and soil characteristics, which helps in preventing pooling of water and allows for effective absorption into the soil. Maintaining this alignment with the ground contour supports the proper functioning of the septic system, as it promotes uniform moisture levels in the soil surrounding the emitters. This is particularly important in preventing over-saturation or dryness, both of which can hinder the septic system's ability to treat effluent effectively. Other options may suggest specific instructions or conditions that do not align with best practices for proper septic system installation. For instance, the requirement to only install emitter lines in straight lines would disregard the natural variance in the land, while installing at a 30-degree angle does not pragmatically address the need for alignment with the terrain. Additionally, the option allowing for burial under any type of material neglects the importance of suitable cover materials that facilitate drainage and protect the system.