Rainwater Tanks Manufacturer | Rainwater Tanks Supplier

Sydney Water Tanks is a leading manufacturer and supplier of underground concrete rainwater tanks and concrete pits. Sydney Water Tanks is proudly Australian-owned and part of The Martins Group, a family run business with the Directors of the company having over 25 years experience in providing quality wastewater treatment and water storage systems to Australian households.

Rainwater tanks from Sydney Water Tanks are built from long-lasting, extra strong steel fibre reinforced concrete. With a 30 year structural guarantee, a water tank from Sydney Water Tanks efficiently provides a quality supply of rainwater to your toilets and outdoor taps.

Our rainwater tanks are installed underground, either in your backyard or under your patio or driveway, giving you more yard space for your recreation and leaving no unsightly tank in view. With installation individually engineered for your site, a Sydney Water Tank ensures effortless and efficient storage and maximum rainwater collection for use in your home. Maximum efficiency is assured with the use of a Sydney Water Tanks’ Rain Switch. The Rain Switch automatically switches to the use of harvested rainwater when available; making sure your household takes full advantage of this free water supply.

Water Tanks ManufacturerAt Sydney Water Tanks our experienced team is ready to provide you with an underground Concrete water tank to suit your needs. We provide service and delivery of water tanks and stormwater pits in NSW and the ACT, including Sydney and Canberra. With a variety of concrete water tanks for sale we can provide a water tank that best suits your home and budget.

For a reliable source of rainwater for your home that takes no space in your yard make Sydney Water Tanks your choice. 


  • We Help Maximise Your Rainwater Collection 19 Mar - Our underground water tanks are, as the name suggests, installed underground which leaves your yard with all the space it had originally, with no unsightly water tank blocking your view. These tanks are strong, built with steel fibre reinforced concrete it means your tank will be watertight and long lasting assuring you of long-term performance....

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  • Why Choose Sydney Water Tanks 19 Mar - Sydney Water Tanks is a leading supplier and manufacturer of concrete pits and underground concrete rainwater tanks. We are part of the Martin’s Group and are proudly Australian owned. Our directors have over 25 years’ experience when it comes to providing quality water storage systems and wastewater treatment this family run business knows what it’s...

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