If you live in an area with poor soil conditions or are dealing with a failing conventional system, an Aerobic Treatment Unit (ATU) might be the high-performance solution you need. Unlike traditional anaerobic systems that rely on slow, natural decomposition, an ATU acts like a miniature sewage treatment plant right in your backyard.
How an Aerobic Treatment Unit Works
The "aerobic" process adds a steady supply of oxygen to the septic tank using an air pump. This oxygen boosts the activity of aerobic bacteria, which break down waste significantly faster and more thoroughly than the anaerobic bacteria found in standard tanks.
Key Benefits of Choosing an ATU
- Superior Wastewater Quality: The effluent leaving an ATU is cleaner and clearer, which helps prevent clogging in your drainfield.
- Ideal for Difficult Sites: If your property has shallow groundwater, limited space, or heavy clay soil that doesn't drain well, an ATU can be the perfect alternative to a large, traditional drainfield.
- Extended System Life: By reducing the organic load on your soil dispersal system, an ATU helps protect your drainfield from premature failure.
Maintenance Considerations
Because ATUs are mechanical systems involving pumps and aerators, they require routine maintenance and power to operate. Regular servicing by a certified technician ensures your oxygen pump is running efficiently and your bacteria colonies are thriving. If you are interested in upgrading or replacing an aging system, ask your local installer if an ATU is right for your property.
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