Quality Water Tanks for Every Property

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Smart Water Storage All Year Round

A quality water tank transforms how you manage water on your property, cutting reliance on mains supply, reducing water bills, and keeping your garden, lawn, or farm resilient through dry spells and restrictions. Whether you need a compact round poly water tank for a suburban backyard, a slimline rainwater tank for a tight space, or a large-scale steel tank for a rural or commercial property, Midland Irrigation stocks a large range of water tanks for sale to suit every site and budget.

Trusted Tank Brands

We partner with Australia’s leading tank manufacturers to offer a range that covers everything from everyday residential rainwater storage through to heavy-duty rural and commercial installations. All tanks are available for delivery, and our team can advise on the right setup from the start.

Polymaster | Bushmans | Global Rotomoulding | Waterline (Aquamate® Maxitank®)

Each of these brands is built for Australian conditions; UV-stabilised, food-grade, and backed by strong manufacturer warranties. Whatever the application, we’ll help you choose the right product.

Four Bushmans slimline poly water tanks installed against a Colorbond fence on a concrete base with pump system

Our Tank Range

Three Polymaster round rainwater tanks on a concrete base with a water pump system installed, set in a residential backyard

Polymaster Round Rainwater Tanks

Simple, practical, and built to last. Polymaster’s round rainwater tanks are a popular choice for homeowners and irrigators looking for reliable water storage without the fuss. Their compact footprint means they sit neatly beside the house or fence, freeing up usable yard space while keeping your garden and lawn supplied through dry months.

 

  • Available from 5,000L through to the largest capacity models
  • Our most commonly supplied size: 22,500L
  • Round design suits most residential property layouts
  • Low-maintenance and straightforward to install
  • Ideal for residential gardens, lawns, and household backup supply

Bushmans Poly Water Tanks

When durability and choice matter, Bushmans delivers. Made from tough Sunsmart® UV-stabilised polyethylene and manufactured in Australia, Bushmans poly water tanks are food grade, long-lasting, and available in a large range of sizes, colours, and slimline options to suit your site.

 

  • Round and slimline tank options available
  • Range from 1,000L up to 46,400L
  • 10-year manufacturer guarantee
  • Australian-made; produced in NSW, QLD, SA & VIC
  • Custom options available across size, colour, and fittings
  • Delivered and placed by Bushmans tank delivery specialists, with fittings installed on arrival
  • Trusted by Australian homes, farms, and businesses for over 35 years
Two Bushmans round poly water tanks installed on a gravel base in a rural property setting
Global Rotomoulding round water tank with pump and pipework installed on an outback Australian farm, with a windmill and farm buildings in the background

Global Rotomoulding Round Water Tanks

Engineered for high-volume rainwater storage, Global Rotomoulding tanks are a strong, dependable choice for homes, rural properties, and commercial sites. Their round cylindrical design supports even water pressure throughout, while high-quality UV-stabilised polyethylene ensures long-term performance in Australia’s toughest conditions.

 

  • Round and slimline water tank options to suit a variety of property layouts
  • Compact slim water tank models available for space-restricted sites
  • Excellent durability and structural strength
  • May be eligible for VIC Drought Grant funding for eligible rural properties

Waterline Aquamate® Maxitank® — Large-Scale Steel Tanks

For properties that need serious rainwater storage, the Aquamate® Maxitank® range is in a league of its own. Constructed on-site from bolted galvanised steel panels, these tanks can be fully customised to suit any site configuration — whether for commercial water management, rural supply, or large irrigation setups.

 

  • Storage up to 350,000 litres
  • Built on-site from heavy-duty Z450 galvanised steel panels
  • Optional COLORBOND® finish for weather resistance and aesthetics
  • Internal food-grade liner with a 20-year no-leaks warranty
  • 20-year structural warranty, designed to outlast the competition
  • Fully customisable dimensions, pipework size, and fittings
Large Waterline Aquamate Maxitank corrugated galvanised steel water tank enclosed by a fence on a rural Australian sheep property

Tank Accessories: Pumps, Filters & More

A great tank works even better with the right water tank accessories. We can advise on and supply a range of tank accessories to complement your setup, including pumps to boost water delivery throughout your property and filters to keep your rainwater clean and ready to use. Ask our team about the accessories that suit your tank and intended use.

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Stainless steel jet water pump with automatic pressure controller mounted on a concrete pad beside a corrugated steel rainwater tank on a rural Australian property

Supply, Delivery & Installation Support

We don’t just sell tanks, we help make sure they work as part of your broader irrigation and water management setup. Delivery is available across our full range, and whether you’re connecting a new rainwater tank to an existing irrigation system, planning a new install from scratch, or looking for advice on sizing and placement, our team is here to help.

 

  • Expert advice on tank selection, sizing, and placement
  • Delivery available on all tank models
  • Connection to irrigation systems and pressure management
  • Support for both residential and commercial projects
  • Local knowledge of site conditions, councils, and compliance
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Why Choose Midland Irrigation?

Expert Knowledge

Years of experience across residential, commercial, and agricultural irrigation.

Quality Products

Only trusted, industry-leading brands that deliver lasting performance.

Flexible Service

From DIY support to complete installation, we work the way you need.

Local Service

We’re here when you need us, with honest advice and reliable support.

Education First

We don’t just install and leave – we ensure you understand and can maintain your system

Ready to Store More Water?

Talk to the team at Midland Irrigation about the right tank for your property. We stock a large range of round, slimline, poly, and steel water tanks for sale, and we’ll walk you through the options to make sure your water storage works hard for you all year round.