BluenGrey is approved and accredited for servicing aerated wastewater treatment systems (AWTS).
Why does my AWTS need servicing?
As an owner of an Aerated Wastewater Treatment System (AWTS), you are responsible for ensuring that your septic system is safe and well maintained. A failing septic system is a health risk for your family, community and may cause harm to the environment
Under NSW Health legislation, AWTS must be serviced every 3 months.
Servicing of your AWTS is essential to ensure it continues to work properly and to avoid problems and blockages.


AWTS servicing
At BluenGrey, we take pride in the quality service and advice that our experienced and qualified Service Technicians provide. BluenGrey keeps your system working with good advice and reliable, professional servicing. Our customer service scheduling system and 1300 764 558 number means we always have your account and system information on hand, ready to help.
At each service, one of BluenGrey’s professional Service Technicians will inspect your system to ensure it is working properly. For full details of what is included in these regular services, see our Servicing Guide.
As an AWTS owner you have responsibiltiesYour responsibilities as an AWTS owner are:
- Never turn off the system
- Ensure the system is inspected every 3 months by BluenGrey
- Fix the system when problems are reported
- Pump out the system when sludge levels are med-high and when recommended by BluenGrey (typically every 3–5 years)
- Comply with Council’s request for inspections or maintenance
- Ensure Australian Standard warning signs are visible ('Recycled water, avoid contact, do not drink' in white lettering on green background)
- Replace the aeration, irrigation and sludge pumps when they reach the end of their life and are no longer operational
- Maintain and protect the absorption field and irrigation area

Alarms
If your system's alarm is sounding or you notice any of the warning signs below, please contact our servicing team on 1300 764 558 or email service@bluengrey.com.au. Your system may need a new pump or a repair of worn out parts. Our local Service Technicians can quickly respond. Remember, a healthy AWTS is important for the environment and your family's health!
- Bad smells and odour from the tank and irrigation area
- Wet and soggy ground
- Untreated sewage overflowing form the tank
- Blocked sewer lines between your house and septic system
- Toilets not flushing properly.
- Have your AWTS serviced every 3 months
- Read and print our simple Do’s & Don’ts guide
- Respond to BluenGrey or Council's recommendations about your AWTS
- Pump out and desludge the tank when recommended
- Never turn the system off
- Clear sprinkler heads if blocked between services
- If you have subsurface irrigation, clean irrigation filters at least monthly
- Comply with Council’s request for inspections or maintenance.

Pre-purchase septic reports
If you are considering purchasing a property with a septic system, we can provide you with a report on how the system is working or what work may be required. It can prevent costly surprises after your property purchase!

Resources & FAQ
Useful guides and Council information, and answers to the most common questions we get asked about servicing of AWTS and septic tank systems.
Need your septic system pumped out?
It's is a requirement under NSW Health that all aerated wastewater treatment systems (AWTS) are serviced every three months. BluenGrey keeps your system working with good advice and reliable, professional servicing.
