The following topics are discussed below:
- Rainwater Tank Installations
- Rainwater Tank Harvesting (+ tank cleaning)
- Rainwater Tank Types
- Rainwater Tank Pumps
- Rainwater Tank Installation Pricing
- Future Projects
The installations of Rainwater Tanks in the residential sector received a real boost in the early 2000s when the government made it compulsory to install rainwater tanks in all new home developments.
These rainwater tank installations were made compulsory to help take the strain off our network water supplies by providing millions of extra litres of water.
These rainwater tank installations were plumbed in the toilets, the laundry tubs, washing machines, and external hose taps.
Rainwater Tank Installations
For Yates Plumbing and Gas, installing a rainwater tank is a very rewarding part of our plumbing business. Not only are we contributing to the safety of the environment, but also we are being a part of your journey.
A rainwater tank installation has quite a few components to complete a full installation. These usually follow the sequence below:
- Install a base for the tank (usually a concrete slab or crusher dust slab). Existing slabs can be used.
- Install the rainwater tank and its accessories, including the rainwater pump.
- Run the downpipes to the rainwater tank.
- Run the rainwater tank overflow to the stormwater drain.
- Connect the rainwater tank pump to the water pipe fixtures it will service.
In Australia, we use our rainwater tanks to capture rain water for use in our everyday lives.
We generally use captured rainwater for:
- Flushing toilets
- Washing clothes (Washing machine)
- Irrigation (Hose taps)
- Soaking clothes (Laundry Tub)
Although rainwater is usually a very clean source of water, the quality of the water is often impacted from the collection point to the storage point.
The quality of this water is usually fine for non-potable uses without any further treatment. However, if the water is meant for potable uses, then you need to consider additional methods for filtration and periodic water testing so that the quality of water is known and maintained.
How to improve the quality of water we harvest
There are some great plumbing techniques and products that really help minimize the level of dirt that travels from our rainwater catchment area to our tanks. Not in any particular order, these include:
- Installing a first flush device – This device captures the first (set amount of liters of water) rainwater heading to your rainwater tank and releases it to the stormwater drainage. This is good at capturing the dust and other small pollutants which may have been on your roof.
- Leaf Eater – These products are usually installed in an accessible location on your downpipes which feed your rainwater tank. They are great at capturing leaves and generally larger particles.
- Gutter Guard – This product basically provides a barrier against leaves and larger dirt from entering your guttering. This helps in two ways: it keeps your gutters clean and also allows you to capture more rainwater.
- A Rainwater Tank Strainer – This is positioned just before the rainwater enters the rainwater tank through the downpipe. We install a strainer on the pipe to prevent vermin going up the pipe and as an added strainer. The rainwater tank lid also has a strainer to catch any remaining particles.
- Roof and Guttering Cleaning – Get into a habit of cleaning your roof and guttering out a handful of times each year or more in areas with lots of trees.
- Rainwater Tank Cleaning – This doesn’t need to be done that often, but if you have noticeable particles in your rainwater supply, then it may be time to clean your tank out.
You don’t want to waste the rainwater in the tank, so when it is time to clean your tank, try irrigating the lawn for a few hours each day in the weeks leading up to emptying the tank. You could clean all the cars, driveway, and external walls. My point being, you don’t need to waste the water.
When the tank is empty, open the valve at the bottom of the tank and use a hose to wash the inside of the tank through the lid of the tank. Do not put your head into the tank – toxic gases have been known to form in these tanks. Keep cleaning until the tank is clean.
Rainwater Tank Types
The number of different styles and shapes of rainwater tanks is quite mind-blowing. I have done a basic list below to help you categorise them;
- Slim Line
- Round Corrugated
- Oval Corrugated
- Round Straight
These tanks come in different types of plastic or steel and in a thousand different colors.
For a better understanding of tank types visit
Rainwater Tank Pumps
Rainwater pumps generally fall into two categories, either internal pumps or external pumps.
Regardless of location, both pumps are designed to be easily accessible, maintained, and are now mostly quiet during operation.
Rainwater pumps do range in size, cost, and the functions they perform. Some rainwater tanks, for example, connect to both mains water and rainwater so you never have to worry about running out of rainwater if running fixtures of rainwater from the house because the pump will automatically switch over once the rainwater tank is dry.
For more detailed, pump-specific information, visit:
The choices of rainwater tanks at Tankworld are great and all the prices are there for you to see, so you know exactly what you are going to pay from the outset.
Rainwater Tank Installation Pricing
Prices may vary quite a bit depending on the type of rainwater tank and rainwater pump you install and whether you need a base installed or not.
- Install a base for the tank (usually a concrete slab or crusher dust slab). Existing slabs can be used = $500 – $750
- Install the 3000L rainwater tank and its accessories, including the rainwater pump = $2200 – $3000
- Run the downpipes to the rainwater tank = $250 – $300
- Run the rainwater tank overflow to the stormwater drain = $200 – $300
- Connect the rainwater tank pump to the water pipe fixtures it will service = $150 – $200
Total Cost with Base/Tank/Pump
$3300 – $4550
Total Cost Without base (Tank and pump included)
$2800 – $3800
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