Tough, Robust Flat Walled Industrial Tanks Tick All The Right Boxes

Looking for a sturdy and reliable way to store water on your site? 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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  • Specific Gravites from 1SG - 2SG
  • Operating temperatures from -18 degrees C up to +50 degrees Celsius.
  • Multiple types of PE available
  • One piece construction with self supporting roof
  • Flat-walled design combines strength with a sleek, modern finish
  • UV stablished to withstand our harsh climate
  • Durable and impact resistant polyethylene for long life
  • Manufactured in guidance with Australian standards
  • Available in all of our colour range
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  • Specific Gravites from 1SG - 2SG
  • Operating temperatures from -18 degrees C up to +50 degrees Celsius.
  • Multiple types of PE available
  • One piece construction with self supporting roof
  • Flat-walled design combines strength with a sleek, modern finish
  • UV stablished to withstand our harsh climate
  • Durable and impact resistant polyethylene for long life
  • Manufactured in guidance with Australian standards
  • Available in all of our colour range
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  • Specific Gravites from 1SG - 2SG
  • Operating temperatures from -18 degrees C up to +50 degrees Celsius.
  • Multiple types of PE available
  • One piece construction with self supporting roof
  • Flat-walled design combines strength with a sleek, modern finish
  • UV stablished to withstand our harsh climate
  • Durable and impact resistant polyethylene for long life
  • Manufactured in guidance with Australian standards
  • Available in all of our colour range
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  • Specific Gravites from 1SG - 2SG
  • Operating temperatures from -18 degrees C up to +50 degrees Celsius.
  • Multiple types of PE available
  • One piece construction with self supporting roof
  • Flat-walled design combines strength with a sleek, modern finish
  • UV stablished to withstand our harsh climate
  • Durable and impact resistant polyethylene for long life
  • Manufactured in guidance with Australian standards
  • Available in all of our colour range
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  • Specific Gravites from 1SG - 2SG
  • Operating temperatures from -18 degrees C up to +50 degrees Celsius.
  • Multiple types of PE available
  • One piece construction with self supporting roof
  • Flat-walled design combines strength with a sleek, modern finish
  • UV stablished to withstand our harsh climate
  • Durable and impact resistant polyethylene for long life
  • Manufactured in guidance with Australian standards
  • Available in all of our colour range
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A Comprehensive Range To Suit All Requirements


With a 25 year history in supplying liquid storage products to the commercial and environmental industry of Western Australia, COERCO are the industry experts, with the skills and knowledge to produce high-quality products and solutions which minimize the risk of losses and downtime through failure and poor support. 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 confident that our liquid storage tanks and associated products are of the highest quality. As part of our commitment to providing 100% customer satisfaction, we offer a full after-sales care package, ensuring that the products and solutions you purchase for us are up to standard and exceed expectations when it comes to quality.

Polyethylene industrial liquid storage 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 with a range of fitting and accessory options to suit your requirements
  • Lightweight and easy to transport and install
  • Unbeatable quality and value for money

Learn More About Our Products


Click on one of the products below to read more about the specific details of our premium flat walled water tanks:

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