Engineered Poly Products

"Septic systems are a necessity for life outside city limits or where deep sewerage systems are not available"


Coerco is proud of the fact that our Septic tanks and Septic systems are manufactured in Australia and certified to Australian Standard AS/NZS1456.1 and approved by the Department of Health WA, SA and NT . Manufactured from polyethylene, these products are lightweight, resilient, and super flexible for ease of transportation and many plumbers say they are the easiest septic tanks installation jobs compared to concrete septic tanks. These are fast becoming the first choice of plumbers for septic tanks Perth. 

Our Septic Tanks feature an anti-floatation ring and ribbing, and are supplied as a complete kit including lid, inlet and outlet ‘T’ pieces. Our Small septic tanks sizes come in 1,450 Litre, 2,200 Litre, and 4,000 Litre options. Our Septic Tanks and Leach Drain have all the necessary Approvals and Installation Guides for applications to your local Council.

At Coerco, we also offer Leach Drain systems which not only integrate efficiently with our septic tanks, but can also be used as stand alone solutions for waste water management. They are flat packed for ease of transportation and flexible to suit a range of configurations.

Check our what our Customers say:


To learn more about our sewerage tanks download our brochure by filling in the first form on this page. If you know what tanks and leach drain you need fill in the second form on this page and one of our friendly team members will be in touch.


Enquire Now About the Poly Septic Tank Systems

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