Georgia Septic Installer Practice Test

How frequently must the inspections for an ATU unit be conducted during the first three years?

1. Monthly

2. Every 3 months

3. Every 6 months

4. Annually

The correct answer is: Every 6 months

The appropriate frequency for inspections of an Aerobic Treatment Unit (ATU) during the first three years is every six months. This interval is established to ensure that the unit is functioning properly and to identify any potential issues that could affect its performance. Regular inspections are critical during the initial period of operation, as they allow the installer or technician to monitor the system closely as it begins to stabilize. Every six months, a trained professional can assess various components of the ATU, including the aeration system, clarifier, and effluent pump, ensuring that they operate efficiently and meet regulatory standards. This proactive approach helps prevent malfunctions and costly repairs down the road, as well as protecting the environment from improper waste treatment. Other frequencies, such as monthly or quarterly inspections, may be unnecessarily frequent for a properly functioning ATU, leading to potential increased costs without added benefit. Annual inspections, while less frequent, may not provide the necessary oversight during the crucial early years where issues may arise as the system acclimates. Therefore, the six-month interval strikes a balance between maintaining oversight and managing operational costs effectively during this critical period.