Round Water Tanks

Cost Effective & Ideal for Large Storage. Full Range in Steel & Colorbond.
Get Expert Advice & Free Quote Today

Round Water Tanks

Round water tanks are a tried and tested icon of Australia, for household, agricultural and industrial water storage. With a corrugated finish in either Stainless steel or Colorbond materials they can be custom built, perfect for your requirements. Check out our popular Round Water Tank Sizes

Round Water Tanks - Sizing Image

Please note: not all dimension combinations are available

Round Water Tank Sizes

Select Water Tanks can manufacture your round rainwater tank with a capacity from as little as 190 litres up to a huge 29,800 litres. With a diameter as little as 900mm they can still fit into those smaller spaces you have available, or if there are no access or room restrictions, they can be built and transported with a 3700mm diameter.

As with all tanks, the height of the tank you choose, is an important factor to consider and being able to manufacture to a range of heights from 300mm to 3100mm high, allows us to manufacture your round rainwater tank to suit your site perfectly.

Select Water Tanks custom build each tank to order, which gives our customers the best tank to suit their requirements. The Round tanks come with 3 standard inclusions: A 400mm Inlet Strainer and Light Guard, a 25mm Outlet with Ball Valve, and a 90mm Overflow with Stainless Steel Gauze, which can be positioned to your requirements. Additional fittings, like a bucket height tap or additional 25mm or 50mm outlets and ball valves, can be added to the tank to meet your needs.

Get Your Quote

All Round Water Tanks are custom made to your requirements. Delivered to your door. Come with extended warranty & are Fire Resistant.

Round Water Tanks For Sale

View our range of popular Round Water Tanks below

Round Water Tanks – Size Examples

Choose Select Water Tanks to experience the efficiency and customisation options of our round water tanks, transforming spaces into valuable water storage areas.

Round Water Tanks

What Our Client’s Say About Us …

Round Rainwater Tank Capacity Guide

Approx Capacity  Diameter x Height (mm) 
2,000 Litres (440 Gallons) 1300 x 1560
3,000 Litres (660 Gallons) 1300 x 2350
5,000 Litres (1100 Gallons) 1900 x 1880
8,000 litres (1750 Gallons) 2300 x 1880
10,000 litres (2200 Gallons) 2900 x 1560
15,000 litres (3300 Gallons) 3500 x 1560
20,000 litres (4400 Gallons) 3300 x 2350 (1)
20,000 litres (4400 Gallons) 3700 x 1880 (2)
20,000 litres (4400 Gallons) 2900 x 3100 (3)
22,600 litres (4970 Gallons) 3500 x 2350
29,800 litres (6555 Gallons) 3500 x 3100

Round Water Tank Deliveries

On smaller residential properties access for a tank delivery can be difficult. There are a few considerations when working out the size tank for your site. You will need to measure access heights and widths to make sure we can get your tank to the prepared base.

Generally the tank will be rolled [on protective mattresses] at your property and the height clearance required for access will need to be greater than the diameter of the tank ordered, and the width clearance required for access will need to be greater than the height of the tank ordered. When there are no restrictions you can choose the tank[s] to best suit your needs.

You can even interconnect a series of tanks to maximise your water storage. The round style tanks are the most economical to manufacture, as they do not need the internal rodding the slimline tanks have.

Round water tanks - 20,584L Stainless Steel
Round Water Tanks - 5336L Stainless Steel

With the classic corrugated finish on the round tanks they are well suited to a range of properties from the modern, contemporary, colonial, beachside, or rustic styles.

Being manufactured from steel the tanks can be made to meet council requirements for firefighting purposes, be incorporated into a whole of house rainwater harvesting system, or to have as your very own water supply in times of need.

Your own harvested water supply is so beneficial if you love to garden, keep your car sparkling or just lower your council water bills. In times of water restrictions, you will still have your own water supply to use for your property, and by lowering the demand on the council or town supply water, you can save some money too.

Round Rainwater Tanks Best Materials

Select Water Tanks make steel water tanks that are longer lasting, better looking, healthier, and can be custom made in terms of shape and size. They can be made from either grade 304, marine grade 316 stainless steel.

316 Grade Stainless Steel

Grade 316 Stainless Steel is a metal alloy, made up of steel mixed with elements such as chromium, nickel, molybdenum, silicon, aluminum, and carbon. Iron mixed with carbon to produce steel is the main component of stainless steel. Chromium is added to make it resistant to rust.

Water tanks made from Grade 316 are perfect for sea-side environments.  They can be easily cleaned, resists organic chemicals, and a wide variety of inorganic chemicals.

Here’s a tip!  Fresh water and air react with the chromium oxide compound that forms a passive layer over the steel,  if damaged the passive film reconstitutes itself. So make sure you give your 316 Stainless Steel water tank an occasional rinse with rainwater.

Round Water Tanks - Stainless Steel 304 Tank Warranty

304 Grade Stainless Steel

Grade 304 stainless steel is generally regarded as the most common austenitic stainless steel. It contains high nickel content that is typically between 8 and 10.5 percent by weight and a high amount of chromium at approximately 18 to 20 percent by weight. Other major alloying elements include manganese, silicon, and carbon. The remainder of the chemical composition is primarily iron. In most applications the steel is used where its corrosion resistance gives long lasting appearance and service life. The ease of cleaning and of maintaining a hygienic surface on the steel make it excellent for many purposes.

Our 304 Grade is a good choice if you live inland away from the salt corrosive sea.

Colorbond / AQUAPLATE®

Colorbond Water Tanks offer great value for money for your Brisbane home. They are built in the classic corrugated finish and come in a range of colours that can be matched or contrasted to your existing colour scheme.

Colorbond Water Tanks have a 20 year non corrosion warranty and a 10 year manufacturers warranty, and are an economical choice for your water tank. Being made from steel, they are built to withstand Australia’s harsh conditions and they will maintain structural integrity in the event of a bushfire, which makes them a good choice for firefighting tanks. We can custom build to your requirements to meet your council’s regulations for bushfire overlays.

Round Water Tanks - 15,015L Colorbond