Price of Water Tanks

The Cost of Water Tanks

Cost of Water Tank Installation

When installing a rainwater tank, often the rainwater tank prices you are given from your supplier or installer is taken at face value, but it is important to remember that there are other costs involved before and after your water tank installation that will impact the overall price of your water tanks.

The costs associated with water tank installation will depend on the water tank you purchase, and what you are looking to use it for, and includes sand pad and site preparation, plumbing and connections, additional accessories and fittings, as well as any products such as water pumps or filters you may need.

There are also small but worth-remembering ongoing costs that include anode replacement and water tank cleaning.

Ensuring that you are prepared for and on top of these costs will help ensure an easier rainwater harvesting experience, as well as higher quality drinking water for you and your family.

Pioneer Water Tanks knows how important it is that you are aware of these factors, and want to make sure that you can ask the right questions when getting a quote for your water tank online, in person or over the phone.


Pioneer Water Tanks have provided a service for Western Australia since 1988. Our high quality Australian-made water tanks will provide the long-term water security you’re looking for.

How much do water tanks cost?

Rainwater Tank Capacity, Shape and Position

The size and position of your water tank will be the major determinant on how much money you spend on a water tank. Where you are putting the tank, as well as how much space you have will determine whether you are purchasing a slimline water tank or a round water tank, and the size of the tank will determine the materials your water storage tank is made from, as well as the cost of that  storage tank.

Someone looking for a 60,000 litre tank will likely be looking at a metal water tank as a solution, while someone looking to install a 5000 litre tank will look for a smaller design, like a factory made slimline tank or round poly rain water tank. The larger the tank, the better value for money is found in steel tanks.

Colorbond ® or Polyethylene Water Tank Colours

As most people in Western Australia install their water tank somewhere on their property near the home, the finish or colour of the tank can be an important factor, regardless of if they are chasing a metal or plastic water tank.

Colorbond® is typically more expensive than Zincalume® steel when it comes to the finish on the panels, and there are some Colorbond® colours that are more affordable than others. Plastic tanks also look the part by mimicking Colorbond® colours, as well as a range of other colours, helping to match the side or roof of your home, wherever they are situated.

How much does it cost to install a water tank?

Sand Pad and Site Preparation

One of the most important steps – and something your installer will certainly discuss and provide you with an information guide on before your water tank install – is the preparation of your sand pad.

Steel water tanks and poly water tanks alike should be set on a compacted flat sand pad made from inert sand, to the manufacturers’ specifications for the dimensions of their water tank sizes.

In addition to the preparation of the sand pad, you should take advantage of having a tradesperson on site to also have your pipe trenches dug.

You want a trench each for pipes from the home to the tank and from the tank to the home, as well as a trench for any electrical cables you may want to reach your tank for a pump or water monitoring system.

photo of the pioneer water tanks team installing a steel water tank on a tank installation base of crusher dust

Plumbing and Connections

Once your tank is installed, you will have to connect it to the gutters of your house in order to harvest rainwater, and from your rainwater tanks to the plumbing of your home in order to access your rainwater.

Many water tank installers will do this for you as an additional service when you purchase a steel water tank. However if you are purchasing poly tanks, you will have to have a plumber come out to your home and run it to your water tank.

It is also advisable to have water prepared to at least partially fill your tank to manufacturer specifications after it has been constructed.

a large colorbond water tank on a rural block next to a new home

Accessories and Fittings

Steel water tank prices come with a range of included water tank accessories, which includes access ladders and hatches, filter baskets and an outlet ball valve.

Poly water tank prices typically come with no included water tank accessories, and you customise what fittings – if any – you may think you require.

Steel watertanks also have a range of options when it comes to water tank fittings, each with their own benefits but at an additional cost.

These accessories include level monitors, dust proofing seals, roof harvesting devices and fire fittings, and are only included in pricing if requested.

a tankmate 4g water level sensor tank water level indicator installed on a pioneer water tank

Water Pumps and Filters

Depending on customers’ needs, they may also require a pump to ensure high enough water pressure to their home, as well as a filter if they are concerned about their water quality when using it for drinking purposes.

These will usually be purchased as a separate product, from a different company to who installed your water storage, and are a personal choice based on your requirements for water supply.

While these can be purchased or upgraded at a later date, it is better to keep in mind that you may need them, and assess your needs before your install, so you can have all of your services completed together.

a top down view of an australian rural home on a farm with multiple poly water tanks and solar power

Ongoing Water Tank Costs

Anode Replacement

Despite steel water tanks being made from materials designed for durability and strength in the Australian climate, typically it is a warranty condition to ensure that the sacrificial anodes are replaced at specified intervals.

These protect your storage water tanks by preventing any rust or corrosion of the wall panels, and making sure that your water tank not only outlasts its warranty, but lasts you well into the future.

Water Tank Cleaning

There are a number of things you can do to in terms of maintenance prevent the need for water tank cleaning; ensuring your gutters, roof, and any other rainwater harvesting spaces are clear from debris, installing a first flush diverter to keep the first flow after a dry spell out of your tank, and maintaining your leaf filter basket regularly.

When you buy a Pioneer Water tank, it also comes with an antimicrobial water tank liner designed to keep your water fresher for longer, and prevent the growth of algae or bacteria within your tank.

However, even after these steps, some people still look for water tank cleaning solutions, either for peace of mind, or due to build up of sludge or debris in the water tank. It is recommended you get a professional or business to clean your tank, that way you’re less likely to damage the liner.

Chasing a Pioneer Water Tanks Price list?

If you are after a price list for Pioneer’s range of steel water tank prices or have any questions regarding our tank models, give us a call on 1800 999 599 and one of our helpful sales team can email it out to you, or simply click here to request a quote, which will include delivery and installation, as well as any accessories you may need.

Frequently Asked Questions

How much does it cost to put in a water tank?

The cost of a water tank depends on a range of factors, including the size and material of your water tank, the accessories, pumps or filters you require, as well as any earthworks you need done before the installation. With tanks from 1000 litres up to 500,000 litres in Australia, everyone’s water tank is going to differ greatly in price based on their individual need.

Is it worth installing a rainwater tank?

If you factor in the fact that a well maintained rainwater tank can last upward of 30 years and over that time can provide significant savings on your water bills, help our water shortage crisis and provide you with fresh water during times of water restrictions and droughts, then a rainwater tank can be well and truly worthwhile.

Do rainwater tanks need to be on concrete?

Most rain water tanks in Australia are installed on a sand pad. Concrete is considered the best base for a slimline tank because the shape of the tank means a risk of the tank tipping over if not on a solid base. Steel tanks, however, are more commonly installed on a sand-pad or crusher dust, and some people choose to install all kinds of tanks on water tank stands.

How much are rainwater tanks in Western Australia?

The price of rainwater tanks in Western Australia starts at around $750 for small poly water tanks and up to $50,000 for large rural stock or irrigation tanks. Because of this wide variance in need, rainwater tanks in Western Australia are hard to determine the standard price of without getting a quote.

Do you need planning permission to install a rainwater tank?

In Western Australia most local councils require you to submit a building application for approval to install a rainwater tank on your property. It would be advised to check with your local council to see if this applies to you.