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Unmatched reliability, value and versatility are all hallmarks of our Devan rural water tank range. That’s why, for over three decades, we have earned a place of trust for rural landowners wanting better solutions for their water and wastewater options.

Strength is another hallmark of a Devan tank. Our innovative Devan Spaceframe design provides unparalleled strength in the tank’s dome on 25,000L and 30,000L tanks. This gives you the confidence to know you can install and service your tank without worrying about it collapsing, even under heavy snow banks.

For better rural storage solutions, explore the Devan range today.


Our Devan tanks are built super tough. No corrosion. No rust. No concrete cracking. No worries! With exceptionally thick side walls and our state-of-the-art molding of our polyethelene tanks guarantees their longevity.

Your Devan tank will need minimal to no maintenance. Our domestic water tank range also comes with a generous 20-year warranty.
That’s Devan peace of mind for you!


  • Free delivery to the gate in the North and South Islands*
  • All products available in the North and South Islands
  • Smooth textured surface creates matte finish and less glare
  • Molded in outlets for extra strength and less plumbing issues
  • 11 colours to choose from for aesthetic blending
  • Unrivalled customer service to boot!

Commonly Asked Questions

What is the capacity range of Devan above-ground water tanks?

Devan offers a wide range of above-ground water tanks with capacities ranging from 600 to 30,000 liters. You can choose the size that best suits your needs.

What materials are Devan above-ground water tanks made from?

Devan water tanks are constructed from high-quality, UV-stabilized polyethylene. This material is durable, weather-resistant, and safe for storing potable water.

Do Devan water tanks come with a warranty?

Yes, Devan provides a 20-year warranty on their above-ground water tanks. This warranty covers manufacturing defects and ensures peace of mind for the long-term reliability of your tank.

Are Devan water tanks easy to install?

Yes, Devan water tanks are designed for easy installation. They come with detailed installation instructions.

Are Devan above-ground water tanks compliant with local regulations?

Devan water tanks are designed and manufactured to meet or exceed the requirements. of AS/NZS4766, the standard for rotomould water tanks