The Difference Between Aerobic and Non-Aerobic Septic Systems

October 2, 2024

When it comes to wastewater treatment for homes not connected to municipal sewer systems, septic systems are the go-to solution. However, not all septic systems are created or function in the same way. There are two primary types: aerobic and non-aerobic (anaerobic) systems. Understanding the differences between different types of septic system services can help you make more informed choices about your waste management solutions.


Non-Aerobic Septic Systems


Non-aerobic septic systems are the traditional choice for many households. They operate in the absence of oxygen, relying on anaerobic bacteria to break down waste. In our experience, these systems typically consist of a single tank where waste settles into layers, with solids at the bottom and scum on top. According to Forbes, a regular septic tank needs to be pumped every two to five years. Our experts agree that these systems are simpler and generally less expensive to install and maintain compared to their aerobic counterparts.


Aerobic Septic Systems


On the other hand, aerobic septic systems, also known as Aerobic Treatment Units (ATUs), use oxygen to treat waste. These systems introduce air into the tank, promoting the growth of aerobic bacteria, which are more efficient at breaking down waste. This results in cleaner effluent and less environmental impact. However, they require more maintenance and a constant supply of electricity. Forbes notes that if you live in a rural area and use an ATU, it requires annual cleaning, making it more demanding in terms of upkeep.


Aerobic vs. Non-Aeorbic


Beyond maintenance and operational differences, the choice between aerobic and non-aerobic systems can also impact the quality of treatment and environmental factors. As septic system services providers could tell you, aerobic systems generally produce a higher quality of effluent, making them suitable for areas with sensitive ecosystems or stringent discharge regulations. Conversely, non-aerobic systems, while less maintenance-intensive, may require additional treatment before discharge, especially in environmentally sensitive areas.


The decision between an aerobic and non-aerobic septic system hinges on multiple factors. Traditional non-aerobic systems offer simplicity and lower upfront costs, while aerobic systems provide better treatment and can be more environmentally friendly. Understanding the differences in these
septic system services can help you choose the ideal waste treatment solution for your home.


Ready to invest in your home's new septic system? Here at Bay State Sewage Disposal, Inc. Environmental Services Company, we're a family-owned and operated team of septic experts with years of experience. We also offer our clients 24/7 emergency services. Contact us today to get started!

commercial septic system repairs
October 13, 2025
Learn the key signs that your business may need commercial septic system repairs and how timely maintenance can prevent disruptions and protect operations.
septic system services
October 13, 2025
Discover the five common septic issues that need expert attention and learn when to call septic system services to protect your home and property.
septic and sewer line services
October 10, 2025
Having trouble with septic and sewer line services? Read on or contact us to learn what’s behind the issues and how to prevent costly repairs.
drain cleaning service
September 22, 2025
To learn why you should call a drain cleaning service, read on or contact Bay State Sewage Disposal, Inc. Environmental Services Company today!
septic system maintenance
June 18, 2025
Routine septic system maintenance is one of the simplest and most cost-effective ways to protect your home and avoid costly surprises.
septic system pumping
June 16, 2025
Regular septic system pumping is a smart move for homeowners who use septic systems. Keep reading or contact us to learn more!
septic system services
March 3, 2025
If you need professional septic system services, understanding the different types of systems available can help you make informed decisions.
septic tank services
January 24, 2025
Are you wondering about the importance of septic tank cleaning services? Read the blog or contact us to learn about their importance!
residential septic pumping
December 23, 2024
Looking to get residential septic pumping done for your property but aren't sure how it works? Check out this guide for more information!
septic system pumping
October 30, 2024
Are you wondering about what questions to ask regarding your septic system pumping? Continue reading to learn more information.