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Underground Water Tanks
Space-Saving & Durable Storage

Underground Water Tanks

Maximise your space with efficient and discreet water storage. Our reinforced concrete underground tank ensure long-lasting durability and optimal water quality.

High-Quality Underground Concrete Water Tanks

Mega Tanks provides the most cost-efficient, long-lasting water storage solution for underground concrete water tanks, rainwater harvesting, and sewer systems.

Why Install Underground Concrete Water Tanks?

Cost Effective

With a long lifetime guarantee, concrete tanks are your best bet for storage investment and return

No Water Restrictions

Keep using the required amount of potable water all day long.

Water Self-Sufficiency

Say goodbye to dependence on public water systems.

Environment-Friendly

Reduces reliance on dams and strain on stormwater systems.

Health Preference

Eliminates impurities, providing pure water for a long time.

Customizable

Tailored to meet individual needs and site conditions.

Why Choose Mega Underground Water Tanks?

Our Concrete Water Tanks are designed and manufactured in AS3735 Concrete Structures for Retaining Liquids, ensuring the best quality and long-lasting performance. With extensive experience, we provide custom solutions that meet Australia's diverse climate needs.

Quality Certified

Meets AS3600 and AS3735 Australian standards

Nationwide Service

Servicing across Australia (excluding WA)

Customization

Tailored solutions for unique requirements

Custom Solutions

Customization Features

  • Standard sizes from 30,000 to 140,000 liters
  • Anti-buoyancy design
  • Pits in tank base
  • Sloping floors
  • Trafficable lids for any load
  • Heavy vehicle loading capability
  • Access ladders
  • Gatic & aluminium access lids
  • Concrete risers

Ready to Discuss Your Underground Tank Needs?

Contact our experts for a personalised consultation.

Ready to Transform Your Concrete Tank Storage?

Get expert advice and customized solutions for your project needs

Free Consultation
Highest Quality Builds
Proven Experience