engineered project solutions
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engineered project solutions
ISO9001

Our Tanks Stand Up To The Toughest Demands, Guaranteed

Manufactured from the finest polyethylene in our own in-house facility, Coerco products are strong, durable and fully weatherproof, so your operations are never interrupted. They’re also lightweight and flexible, making them easy to transport and install wherever the need arises.

Our septic tanks are available in a vast range of capacities starting from 1,450 litres through to a massive 23,000 litre underground tank. All septic tanks are manufactured to comply with Department of Health approvals in WA, SA & NT and are Certified to Australia Standard AS/NZS1456.1, so you have complete peace of mind that you’re investing in a safe, secure, high-quality tank.

All Coerco septic tanks feature:

  • Manufactured from durable polyethylene, making them lightweight, easy to transport and install
  • Anti-floatation ring and ribbing incorporated into design
  • Certified to Australia Standard AS/NZS1456.1 and approved by Department of Health - WA, SA & NT

  • Supplied as complete kit including lid, inlet & outlet ‘T’ pieces Chemical and Effluent resistant
  • Large septic tanks include various manhole options

Learn More About Our Products

Click on one of the products below to read more about the specific benefits of each of the septic tank products we manufacture:

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Invest In The Best, With Coerco

Are you ready to get a quote for your new septic tank? Whatever your application, we have a cost-effective, long-lasting solution to suit your needs. Talk to our experts today to find the best product for you.

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Delivering Proven And Trusted Solutions To The Mining & Civil Industry

" We took delivery of 4 x 50KL rain water tanks from Coerco this week. Coerco are fantastic for us to deal with when we build in rural settings. Their great ... Read More

Moritz Kurys-Romer
Willyabrup, WA

" Exceptional products meeting all the Australian standards. Excellent service too, from design to supply. Well done guys! "

Mavondo Abel Hlophe
Malaga, WA

" Good to deal with prompt service and really good communication. Delivery service spot on! "

Clinton Smith
Perenjori, WA

" Coerco have always been our go-to supplier for polytanks. Good quality tanks. We've requested to customise the tank fittings and were executed well. Great ... Read More

Jerica Marise Razon
Malaga, WA

" Purchasing a water tank for the Kendenup fire brigade, I received excellent service from all members of the Coerco group with whom I liaised. They have a ... Read More

Brian Appleby
Kendenup, WA

" Great Customer service, awesome deliveries and outstanding product range! Always a pleasure working with such a professional team! "

Mik Dob
Kalgoorlie, WA

" Installed tank near WA/SA border. Coerco managed their supply and delivery logistics professionally. No stress for me. Thank you Adam and Craig. "

Stephen Hoschke
Mt Lawley, WA

" Exceptional service from the first enquiry to the above and beyond delivery service the company achieves. They make choosing a tank supplier a simple answer! ...

Grant Oliver
WA