Clark Tanks, established in 1997, has been at the forefront of designing and building polyethylene products that withstand the tough Australian conditions for over 25 years. Renowned as Australia’s premier brand of poly rainwater tanks and farm products, Clark Tanks is synonymous with quality and durability.

Clark Tanks specializes in rotomoulding techniques, ensuring that our products are not only strong and affordable but also UV-protected and built to last. Our commitment to providing quality products designed to meet the needs of local customers is unwavering. We are an Australian-operated company, and our products are made locally, reflecting our dedication to supporting the community.

Our mission is simple: better design, better build, better value. With Clark Tanks, you can trust that you are investing in premium, heavy-duty products that offer exceptional performance and longevity. Choose Clark Tanks for all your rainwater and farm product needs, and experience the difference that comes with superior craftsmanship and innovation.

With multiple manufacturing facilities in Australia, we can deliver our tanks to most areas in Australian Capital Territory, New South Wales, Queensland, South Australia, and Victoria.

Better Design

  • Designed to withstand harsh Australia Weather, with the proven history of long-term use in the most demanding rural and urban applications
  • Superior design with tapered walls (above 5,000 litre)
  • One-Piece construction with no vertical seams in our round tank range

Better Build

  • Made from premium, food-grade polyethylene (BPA-free) and compliant with Australian Tank Standards AS2070/AS4020
  • Built with UV-stabilised polyethylene for long-lasting durability
  • Crafted from fully recyclable polyethylene – designed with sustainability in mind
  • All tanks engineered to meet Australian Standard AS4766:2020
  • Fitted with quality WaterMark-approved, lead-free brass fittings as standard
  • Certified systems, standards and processes – ISO 9001:2015
  • Protected by our industry-leading warranty: 25 years on round tanks & 10 years on slimlines

Better Value

  • Great valve for your water storage needs
  • Built to last with minimal upkeep
  • Honest pricing with no hidden delivery charges or fees

Clark Tanks keep your water clean, won’t rust or corrode, and can be linked for extra storage.

With a local team you’ll speak directly with real people, not a call center, backed by a friendly team with in-depth knowledge of water solutions.