Premium Corrugated Water Tanks Built For Strength And Durability

Protect your water supply even in the harshest of conditions with a high-quality polyethylene corrugated water tank from COERCO. Strong, durable, UV stabilised and fully weatherproof, these tanks withstand the toughest of demands.

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Coerco — Reliability in an unpredictable world

Quality Tanks Built By Australia’s Leading Experts

COERCO has been supplying to Western Australia with a wide range of water storage products for over 30 years. With an in-house polyethylene processing facility, we are the only manufacturer to retain internal control of quality from start to finish.

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 Flatwalled water tank models.

Polyethylene water tanks are a great choice:

  • One-piece construction ensures no weak spots
  • Corrugated design maintains strength even at high pressure
  • 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 Corrugated Water Tanks

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12 Critical Mistakes People make When Ordering Water Tanks!

  • 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?

From a single small-capacity tank to a more complex system, we'll provide you with expert advice and a no-obligation quotation free of charge!

Get in touch with our friendly team of experts today.

Bradyn Wallis

Divisional Manager


Ready To Get A Quote?