Georgia Septic Installer Practice Test

How much additional liquid capacity is needed for each extra bedroom beyond four in a septic tank?

1. 100 gallons

2. 250 gallons

3. 300 gallons

4. 400 gallons

The correct answer is: 250 gallons

The correct answer is based on the guidelines set for septic tank systems regarding their capacity to accommodate additional bedrooms beyond a certain baseline. For each bedroom beyond the initial four, an additional liquid capacity of 250 gallons is recommended. This standard is used to ensure that the septic tank can effectively handle the increased wastewater generated from the additional occupants the extra bedrooms would typically accommodate. Each bedroom typically contributes to the overall household wastewater load, and the 250-gallon increment is designed to prevent issues such as system overload or inadequate treatment of sewage. Proper sizing of the septic system is crucial for its efficiency and longevity, as well as for protecting the environment and public health by preventing system failures or backups.