Water Tank Installation

Pioneer Water Tanks - Installing Water Tanks for Western Australia

Rainwater Tank Installation

Before and after your water tank is installed, there are important steps that must be taken in order to insure that your Pioneer Water Tank installation goes smoothly, and provides your home with a reliable source of  clean, fresh water for years to come.

Pioneer Water Tanks are located just out of Perth, and have been installing water tanks for Western Australian homes, farms and businesses for more than thirty years, and are experts in preparing your water tank site to ensure that your water tank is secure, stable and strong.

There are also requirements for after your rainwater tank’s installation that ensure that all the hard work in preparing and installing the tank correctly are worthwhile and long-lasting.

These steps are not included in the price of your Pioneer Water Tank, and it is a good idea to check with your Pioneer Dealer Direct® member as to whether they offer site preparation as one of their services, and what you need to do  to ensure your water tank installation goes as smoothly as possible.

Not only are these preparation guidelines important for the longevity and structural integrity of your water storage, it also ensures that your tank complies with the warranty that comes with all Pioneer rainwater tanks.


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 to install a water tank

How to choose the location for your water tank

In order to make sure your rainwater harvesting makes it to your tank – and that your water supply reaches your home with adequate water pressure without having to install pumps – the location of your water tanks installation is important. 

To ensure that all collected rainwater makes it into your tank water, the inlet of your tank should be located 50mm below your gutters for every 1000mm away from the home the tank site is located. This ensures that water will run off into the tank, without any becoming stagnant in the pipes, or the pipes overflowing back into the gutters.

See the below table for information about the area and minimum volume of clean inert sand required to correctly prepare the tank pad, for your Pioneer Water Tank, including the minimum space required, and how much sand, aggregate and water you will need.

Tanks that are located in cyclonic regions may require a concrete ring beam, in accordance with Pioneer’s recommendations. 

Allowance must be made for an air gap and pipe work positioning, to establish a usable tank volume (effective capacity).

Tank ModelTank DiameterSand Pad Size Required Minimum Clean Sand RequiredAggregate RequiredWater Required After Build
GTi50114.04 m16.04 m30.30 m³2.21 m³46,429 L
GTi45413.37 m15.37 m27.83 m³2.10 m³42,112 L
GTi41012.70 m14.70 m25.46 m³2.00 m³38,006 L
GTi36812.03 m14.03 m23.20 m³1.89 m³34,111 L
GTi32811.36 m13.36 m21.04 m³1.79 m³30,426 L
GTi29110.70 m12.70 m18.99 m³1.68 m³26,952 L
GT28012.70 m14.70 m25.46 m³2.00 m³38,006 L
GT25012.03 m14.03 m23.20 m³1.89 m³34,111 L
GT22011.36 m13.36 m21.04 m³1.79 m³30,426 L
GT20010.70 m12.70 m18.99 m³1.68 m³26,952 L
GT17010.03 m12.03 m17.04 m³1.58 m³23,688 L
GT1509.36 m11.36 m15.20 m³1.47 m³20,635 L
GT1308.69 m10.69 m13.46 m³1.37 m³17,792 L
GT1108.02 m10.02 m11.83 m³1.26 m³15,160 L
GT907.35 m9.35 m10.31 m³1.16 m³12,739 L
GT806.68 m8.68 m8.89 m³1.05 m³10,528 L
GT606.02 m8.02 m7.57 m³0.95 m³8,528 L
GT505.35 m7.35 m6.36 m³0.84 m³6,738 L
GT404.68 m6.68 m5.26 m³0.74 m³5,159 L
GT304.01 m6.01 m4.26 m³0.63 m³3,790 L
GT203.34 m5.34 m3.36 m³0.53 m³2,632 L
GT102.67 m4.67 m2.57 m³0.42 m³1,684 L

Sand pad preparation and getting the tank site ready

Before a Pioneer water tank can be installed, a stable tank pad foundation must be prepared. There are several important steps to consider when selecting your tank site and preparing the pad:

  1. The tank pad must be level, stable and constructed using clean inert sand* that is free of any debris.

  2. The tank pad must be at least two metres larger than the diameter of your tank. It is also important to make sure that there are no nearby obstructions**, for when our local Dealer installs your new Pioneer water tank.

  3. For sloping tank sites, ensure adequate drainage to divert water run-off away from the tank wall.

  4. An inert aggregate must be placed around the base perimeter of the tank, once it has been installed. This aggregate helps to prevent the tank pad from eroding away, and keeps your tank in place***.

  5. A retaining wall may be required to maintain pad integrity, on sloping or uneven sites*.

  6. Once your tank has been installed, it is important to fill it with the amount of water specified in the table below. This initial fill acts as an anchor weight, to help prevent movement from occurring in high wind areas.

* Where clean inert sand is not easily sourced, Pioneer recommends using a 150mm crusher dust base with a geotextile membrane for additional liner protection.

** Please ensure that there are no obstructions within 1 meter of the tank wall. Any trees and plants within 5 to 10 metres of the tank must be removed prior to installation. For more information please refer to the rural owners manual.

*** Check with your local Dealer to see if they provide this additional service. If not, you are responsible for completing this step.

Following the above process will help to ensure that your tank pad is prepared correctly.

Before you start preparing your site for installation of your water tank, Pioneer Water Tanks also recommends you contact your local shire or council to see if there are any regulations or restrictions in place.

diagram of water tank site preparation and sand pad preparation

Plumbing and installing water storage accessories

Wet and dry plumbing options

Also not included in your rainwater tank installation is any domestic or residential plumbing that may be required. Many members of Pioneer’s Dealer Direct® Network offer plumbing services, or at least have the skills and training required to plumb your rainwater tank to your home.

When it comes to rainwater harvesting, effectively you have two options; wet and dry plumbing. 

Wet rainwater harvesting systems involve a series of underground pipes that transport any water harvested off the roof into the tank, without relying on any additional inlets in the tank itself. This allows you to harvest rainwater from more downpipes, without additional connections on the tank’s roof.

Dry systems are more direct, with the harvested water being piped straight from the roof of your home or shed, and into your rainwater tanks. This means if there are multiple pipes leading to the rainwater tank, you will require a number of fittings or inlets.

example of a wet rainwater harvesting system
Wet Rainwater Harvesting System
example of a dry rainwater harvesting system
Dry Rainwater Harvesting System

Water storage accessories

Installation is also the time that any optional accessories you may have chosen will be installed, such as a geotextile underlay made from a specialised material to protect your water tank liner, smart water savers to harvest additional rainwater straight from your tank roof, a SuperSeal dust protection to prevent any dust or sediment from entering your tank, or even a first flush diverter installed in your wet harvesting system in order to flush any debris or dirt out of your gutters and pipes after a long dry spell.

You may also choose to install a water level indicator, which can come in the style of a traditional string and float model, or newer digital models, such as the TankMate 4G, with water leak detection and millimetre accurate water level monitoring, taking some of the stress out of water storage. 

How to properly maintain a water tank

Keep Your Gutters and Roof Clean

If you, like many rural Australians, are using your water tank for drinking water as well as for your household use, including your kitchen, washing machine, bathroom and toilet, then it is likely important to you that your water supply remains clean and healthy at all times. 

One way to help keep your stored drinking water clean is to ensure that your gutters and rainwater harvesting areas are kept clear of debris and sediment, to prevent these from accumulating and ending up in your water tank – or even potentially leading to blocked drains or a clogged leaf filter basket.

The safest way to clean your gutters is to place a ladder square against the roof – wearing a pair of gloves to ensure you don’t cut yourself – and slowly make your way around the perimeter of your house to ensure all leaves, sticks and debris are removed. You may even want to employ a garden trowel if there is a large accumulation of dirt or fine debris.

Remove Any Overhanging Trees or Shrubs

In order to prevent any accumulation of leaves or twigs in your gutters from collecting as quickly, it is very important to make sure there are no trees or bushes looming over the gutters you are using to harvest rainwater. Not only will this stop leaves and as branches from ending up in your gutters, it will also protect against birds from roosting over your rain gutters, and their droppings from entering your water supply.

If the branches looming over the home and also gutters are small enough, you should be able to cut these back with secateurs or a hedge trimmer. If they are too large or heavy, you may be better off calling an arborist that can execute the work securely, without risking damages to your home or water tank.

Inspect and Clean Leaf Filters and Insect and Overflow Screens

At most inlets and outlets of your rainwater tank, you will likely find some type of leaf filter or filter basket, designed to prevent things from entering your water supply. If these filters are doing their job, they will end up catching debris such as leaves and sticks, which means it is important to inspect and clean these periodically, in order to prevent these contaminants from breaking down and entering your tank. This helps to ensure the freshness of your rainwater at the last stage of water harvesting.

Consider Installing a First Flush Diverter

First flush diverters and similar such tools are designed to divert the initial run off of stormwater after a dry spell away from the water container in order to remove the build-up of any type of dust or pollutants that might have accumulated since it last rained.

These systems should be installed on all pipes that run directly into the inlet of the water tank – in the case of a wet harvesting system this will typically require just the one flush diverter.

Both manual and also automated first flush diverters can be fitted to your water storage tank, making sure that no undesirable dust or debris make it into your rainwater tank.

If you are still concerned about your water quality after taking these precautions, you can install filters to some or all of your household taps, and an under-sink system in any areas water is being used for drinking, however guidelines suggest that a rainwater tank in an area without high levels of pollution is typically safe to drink.

How to Clean a Water Tank

Generally your large steel water tank won’t need to be cleaned, particularly as Pioneer Water Tanks come with an antimicrobial water tank liner, designed to keep your water fresh and healthy, without the build-up of bacteria or algae.

However, if you do find that your stored water is not clean, and perhaps has a taste or smell that doesn’t seem right, you should get in touch with your local water tank installer, so they can clean your tank for you without risking damage to the tank liner or any inlets or accessories.

20/20 Water Tank Warranty

Every Pioneer Water Tank also comes with our 20/20 warranty. That’s a 20 year conditional structural warranty in addition to a 20 year conditional warranty against water leakage, applicable on all rainwater tank models from GT10  to GT280. Models in the GTi range from GTi291 to GTi501 include a 10 year conditional warranty.

A large capacity steel water tank is a big investment and it’s something you only want to buy once in your lifetime, and most of the water tanks built by Pioneer Water Tanks all the way back in 1988 still remain in service to this day, holding water as securely as they did the day they were built.

Pioneer Water Tanks understands that a rainwater tank is an investment that you only want to buy once in your lifetime, and our 20/20 warranty gives you peace of mind that your water storage will last for many years to come.

Water Tank Installation Local to Western Australia

Pioneer Water Tanks has been installing rainwater tanks for Western Australians for over thirty years, so we understand firsthand how important a quality water storage tank is to the thousands of Western Australians with no access to mains water, and that is why we believe your water tank should be an investment that lasts for years to come.

If you are still unsure as to what tank size you need, or if you need any optional accessories for your water tank, simply give us a call and let our expert salespeople and water tank installers vast knowledge base help you out in any way we can. Our aim is to be of value to you, and aid you to create the most beneficial buying choice possible.

Pioneer Water Tanks has over 50 dealers across Australia, with 10 dealers in Western Australia alone, who can help you with water tank installation, repair and servicing, and can even install replacement liners in your existing water tanks if needed. These experienced installers perform dozens, if not hundreds of rainwater tank installations each year, and are the best people to install rainwater tanks for your property.

If you’re looking for a quote on world class water storage for your property, give us a ring on 1800 999 599, or simply click here to request a quote for a water tank today, and one of our dealers will be in touch with your customised water tank pricing.

Frequently Asked Questions

How do you install a water tank in your home?

With large steel tanks like the ones Pioneer Water Tanks provides, all water tanks are installed by authorised installers, as they are put together on site thanks to their modular design, and it is important to the structural integrity of the tank that it be installed correctly and by an expert at water tank installations.

So to install a water tank in your home, get in touch with your local Pioneer Dealer Direct® Network member here, or by giving our sales team a call on 1800 999 599 and getting a quote from our head office.

What do you put under a water tank?

Steel water tanks require a bit more preparation than poly tanks might, where a poly tank such as a round tank, slimline tank or other types of storage tanks may be able to be installed on a concrete slab or outdoor paving, a larger tank like a steel water tank needs to be installed on a sand pad, or a correctly prepared concrete pad.

In order to protect the base of the liner, it is also often a good idea to put a geotextile underlay beneath the water tank, to protect the tank liner from any debris or sharp objects that may work their way through the sand or crusher dust over time.

Where should a water tank be placed?

You can install your rainwater tank wherever you require, so long as there is room for 1m clearance on all sides, and the inlet is 5cm below the gutter of your home or shed for every 1m from the gutters or downpipes that lead to the water tank. If rainwater tank setup is too far below this, you may require an electric booster pump to improve your water pressure, however in most circumstances the weight of your stored water is more than enough to supply water to your home, shed or garden.

The water tank should be installed on a prepared level sand pad, or crusher dust pad, and surrounded by aggregate once installed.

How long will the water tank installation take?

While lead times may fluctuate, water tanks typically take just the one day to install. Once your water tank has been ordered, your Pioneer Dealer will provide you with a date of install, and be in and out of your property that day, leaving you with a freshly installed Pioneer Water Tank.

This is usually pretty flexible, and your local installer will be able to come up with a time for your rainwater tanks installation that bet suits you.

What is the shipping cost of the water tank?

There are no additional shipping costs involved when it comes to Pioneer Water Tanks, as the price you are quoted will include GST, installation and delivery. However if you are located more than 100km from your local installer, they may include a travel charge in your quote to cover their costs for travelling to and from the installation site. This will all be included in your quote when you receive it, once your local installer knows where you are looking to have your tank installed.