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The Thickest, Time-Tested Poly Water Tanks to Ever Exist in Rural WA

Manufactured & Designed by Rural Aussies for Rural Aussies, reliable Coerco water tanks help put seasonal goals within your reach, just what every Australian agriculture business needs.

Coerco — Reliability in an unpredictable world


Australian farming suffers no shortage of challenges, and so many circumstances are out of your control.

This is why we exist — to help lessen your worries. Because making quality products is something we, at Coerco, can and fully control.

  • COERCO is the only WA poly water tank manufacturer based in rural WA supporting WA farmers.
  • For over 27 years, COERCO has supplied Western Australia with a wide range of products, consequently strengthening our rural knowledge to benefit farmers.
  • Holds the spot of being the only manufacturer to retain internal quality control from start to finish.
  • To further our support, we've made delivery easy with our own fleet of delivery vehicles and experienced rural-based drivers for rural deliveries.
  • Our tanks are thicker which contributes to their longevity.
  • A wide range of large size tanks are available to keep up with large spraying programs.

Remain Operational!

Whether you require a single tank or a more complex system for storing rainwater, our wide range of large poly water tanks opens many possibilities so you can boost productivity and maximise your profits.


Pick a Product Group Below.

premium corrugated tanks
premium flat walled tanks
slimline water tanks

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Ready To Get A Quote?

Would you like to improve your farm’s water planning, efficiency and productivity? Are you ready to invest in products that will last for decades and revolutionise your everyday operations?

Get in touch today for a no-obligation chat and free quotation!

1800 860 851
We’ve Garnered 150+ Reviews And Counting With a 4.9 Rating!

" Great team with efficient delivery that places tanks in the spot you want. Strong tanks which will last in the environment we throw at it. Won't buy another ... »

Murray McDonald
Kellerberrin, 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 ... »

Brian Appleby
Kendenup, WA

" Had a 50kl tank delivered last week. Some issues with getting road train into my block. Michael the driver was excellent in making sure i got what i needed ... »

Joe Kelly
Perth, WA

" We have been very happy with the polyethylene septic tanks provided by Coerco, and we now use these as standard on all our new homes. Previously we used ... »

Andrew Sharpe - Stallion Homes
Northam, WA

" As an agent for Coerco they are so easy to deal with making it even easier for the customers. Nothing is an issue for them. "

Craig Bassett - Elders Ltd
Geraldton, WA

" Fantastic Experience. The service was 10 out of 10, and the process was seamless from quote through to delivery. Was even more impressed after getting an ... »

Darren Tindal
Albany, WA

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

Jerica Marise Razon
Malaga, WA

" Great service for my project. Delivery drivers very professional and product first class. "

Adam Van Nellestyn
Busselton, WA

" Really happy with the service & communication we received from Coerco throughout the whole purchase and delivery and not forgetting the great tanks as well. ... »

Cy Bettjeman
Brunswick Junction, WA

" Extra special thanks to the team at “Coerco”. I bought a full septic system and leach drains from them for my 40 acre property in Gingin. I can’t speak any ... »

Sarah Kelly
Gingin, WA

" Product is excellent, price was right, and the fella who dropped the tanks off was a good bloke, all in all a can do no fuss company. You'll have no dramas ... »

Louie Hughes
Munglinup, WA

" This is tank number 6 from Coerco (formerly rapid plastics) over the last 20 years and I won't go anywhere else for a quality tank. The customer service is ... »

David Stalker
Bindoon, WA

" More than happy with professionalism and expertise of not only the office staff but the delivery drivers as well. We've purchased 4 tanks within the last ... »

Wesley Benton
Latham, WA

" Coerco helped us to choose from their wide range of tanks and delivered promptly. "

Susanne Levett
Carnamah, WA

Available Now From Your Local Rural Store!