Sleek And Attractive
Flat Walled Tanks
That Tick All The Right Boxes

Looking for a modern, unobtrusive way to store water on your farm? Our premium flat walled water storage tanks are strong, durable and stable, all while looking great! From small capacity tanks to larger designs, poly tanks are the best choice for safe, reliable water storage!

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Coerco — Reliability in an unpredictable world

A Comprehensive Range To Suit All Requirements


With a 25 year history in supplying water storage products to the farmers of Western Australia, COERCO is the industry experts, with the skills and knowledge to produce high-quality products at unbeatable prices.

Thanks to our in-house polyethylene processing facility, COERCO is the only manufacturer to retain internal control of quality from start to finish. We’re proud to be an ISO9001:2015 certified company, highlighting our commitment to outstanding workmanship across all our products.

We’re so confident that our water tanks and associated products are of the highest quality, we offer a 20-year repair or replace warranty guarantee on our Premium Corrugated and Premium Flat Walled water tank models.

Polyethylene water tanks are a great choice:

  • One-piece construction ensures no weak spots
  • Flat-walled design combines strength with a sleek, modern finish
  • UV stabilised to withstand the harsh Australian climate
  • Manufactured in accordance with Australian standards
  • Made using the best linear low-density food grade polyethylene
  • Available in a wide range of sizes and colours to suit all applications
  • Comes as a complete set with all required accessories
  • Lightweight and easy to transport and install
  • Unbeatable quality and value for money

If you’re not sure which of our products would best suit your needs, try our online Water Tank Selector Tool.

Learn More About Our Products

Click on each one of the poly water tanks below to learn more about the specific benefits of our 
Premium Flat Walled Water Tanks:

5,300 Litre (1,200 Gallon) Flat Walled Poly Water Tank

JRR5300

jrr5300

10,500 Litre (2,400 Gallon) Flat Walled Poly Water Tank

JRR10500

jrr10500

14,000 Litre (3,100 Gallon) Flat Walled Poly Water Tank

JRR14000

jrr14000

25,000 Litre (5,500 Gallon) Flat Walled Poly Water Tank

JRR25000

jrr25000

50,000 Litre (11,000 Gallon) Flat Walled Poly Water Tank

JRR50000

jrr50000

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Water tank selector tool.Easy as.

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12 Critical Mistakes People make When Ordering Water Tanks!
Get Your FREE REPORT Now!

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  • Choosing the wrong size of water tank
  • Not sizing your tank to match your gutter
  • Ignoring specific details involved in installation
  • Not checking the external protection capabilities of the water tank

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!

Craig Whyte

Sales Consultant

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