specialists in Wastewater treatment


All about Sewage Limited (AAS) is a family business based in Glenroy and services the whole of Canterbury and beyond. AAS treats every site as its own and knows that to be successful, customers have to have the correct system for the site, the perfect installation and the correct servicing and after sales support.

We are sewage & septic tank products and services experts. We manage waste water and building consents. Supply domestic and commercial waste water systems, carry out the installation and management of the project teams and servicing of systems after installation.

Check out some of the systems and services we provide and get in touch if you think we can help.


Our products and services



AAS is a proud supplier & installer of Eloy water products. This is a Belgium Company who has been manufacturing & distributing products  worldwide for 50 years. 


EcoTrench is designed to receive treated wastewater and have special features that make it one of the most compact, reliable, safe and efficient systems available. 


Permaloo is a simple, yet very effective design, created to satisfy the exact requirements of councils, the Department of Conservation and other users such as holiday camps.

Photo by Paul-Daniel Florea/iStock / Getty Images


AAS help with all wastewater needs. We design new wastewater systems providing the correct documentation required by Environment Canterbury or local council.



AAS has a specialized unit for installing private & commercial driplines with years of experience in varying landscapes, sizes and complexities of installation.

Photo by RTimages/iStock / Getty Images

Building ConSent

AAS also provide a consent service for your next building project. We provide all the paperwork required for your local council and submit and manage on your behalf.