Due to strict water restrictions across the region, our rainwater tanks are particularly popular on properties in Melbourne and Adelaide and farms throughout Victoria, South Australia, and Riverina in New South Wales. We have a wide variety of sizes and models for all your rain storage needs, as well as accompanying pumps and other accessories. Whatever your property’s size, locale and annual rainfall, we’ve got the right poly water tank for your needs and budget.
All our rainwater storage tanks are manufactured to the highest quality, hold product certification from an independent testing authority, and are certified to the following standards:
The Australian government requires your rainwater tanks to be fully certified by the above standards in order for them to be eligible for the rain water tank rebate. This certification is the best guarantee of a long lasting rainwater tank, and means that your tank has been through many strict tests before it is dispatched to ensure it is of highest quality.
From slimline water tanks to round rainwater tanks to underground water storage tanks, Polymaster has all your needs covered.
Using rainwater in and around the home and business is an effective way to conserve precious water supplies, reduce mains water and save the planet. Read the latest news on our blog to learn more.
Prevention is the best solution to clean healthy water. Here are nine simple steps to follow.
When space and accessibility are an issue, an underground tank is the answer, especially in an urban environment.
Preventing groundwater pollution from failing septic systems should be a priority for every homeowner.
We are excited to announce a brand new, ground-breaking innovation – Waterguard rainwater tanks. Exclusive to Polymaster, Waterguard is Australia’s first & only antimicrobial poly rainwater tank.
Did you know you could be eligible for drought support rebates if you’re a farmer in NSW, ACT, SA ,TAS and VIC.
Polymaster Water Tanks are guaranteed against faulty material and workmanship the warranty on all premium certified round tanks has increased from 10 years to 20 years! This further backs up our established company culture – People and products you can trust now and in the future! Completing this registration form will help you to obtain more efficient warranty service in the unlikely event of a problem with your product during the warranty period
Download Warranty Certificate Activate Warranty
All our rainwater storage tanks are manufactured to the highest quality, hold product certification from an independent testing authority, and are certified. Review our latest projects below.
Polymaster met the needs of Linfox by supplying them with 18 x 22,500L tanks, including welded fittings and expansion joint bellows.
Polymaster was pleased to supply Brookeshill Orchards with eight of our Australian Made 31,700L rainwater tanks with upgraded fittings including CFA couplings.
With water tanks mandated by the council, architects specified premium quality tanks that are certified and don’t diminish the aesthetic appeal.
“Mega Tanks… the perfect solution, with one of the smallest footprints in the industry for the literage”
Requiring 60,000L of water on hand in case of a fire, Swan Hill Truck Specialists knew exactly who to turn to.
Polymaster worked with Santos contract engineers to develop a custom-made solution meeting their strict performance and specification criteria.
Designed and Manufactured with top grade materials, our products are rigorously tried and tested to ensure the best quality, all backed up with global quality and process certifications – this is just the starting point of our promise of quality.
PRODUCT CERTIFICATION to the Rainwater tank Standard AS/NZS 4766:2006 for peace of mind. Licence no. BMP657671 & BMP650824
UV+ DOUBLE STRENGTH Our exclusive UV+ double strength resin gives the best protection against Australia’s harsh sun
FOOD GRADE Our tanks are made from food-grade polyethylene and certified to AS/NZS4020, the Australian Standard for drinking water
QUALITY ASSURANCE Polymaster only produces quality products and service, certifying us for the international standard for quality management ISO9001
EXTRA THICK WALLS Each Polymaster tank undergoes ultrasonic thickness testing and impact testing to ensure material is correct thickness
FITTINGS STANDARD Rainwater Tanks come standard with fittings. Ask us what fittings come with the tank model you are interested in
ONE PIECE TANK CONSTRUCTION With no joins or seams, our new generation roof design eliminates the need for an internal support pole
BPA FREEFor your peace of mind
MADE IN AUSTRALIA Family-owned and operated here in Australia since 1994
Polymaster’s Waterguard range of rainwater tanks is Infused with Sanitized® antimicrobial protection. It is moulded into the tank’s polymer during the manufacturing process, making it a more convenient and cost-effective way of protecting your tank against bacteria.
Find out moreLooking for a long term water storage solution, or just looking for somewhere to start? Our range of products are here to help you. Browse our Rainwater tanks and accessories below!
1800 062 064 
