In Australia, there are times when the climate is temperamental, and water is sparse. Despite Australia being the driest populated continent in the world, our water consumption per person is among the highest on the planet. For Australians, water is scarce and how we manage this resource is a concern for us all. Water tanks are an efficient method in reducing water supply usage, and there is a lot to like about the humble rainwater tank. Twin Electrics and Plumbing has all the expertise you need to find the best water tank solution for your property. We can install your water tank to help you have peace of mind while enjoying your new found water freedom!


water tank install

Advantages of Water Tanks

There are many reasons why having a water tank is the right move for you. 

1. Minimise water infrastructure reliance

Installing a water tank can reduce your reliance on water infrastructure. You can use tank water for a variety of tasks including flushing the toilet, using it for laundry or helping maintain your garden. By replacing the water you’d normally use for these tasks with tank water, you help reduce your overall water infrastructure reliance

2. Save money on bills

Reduced need for city water supplies results in less usage and a smaller water bill. Water tanks are not only beneficial for the environment; they benefit your wallet in the long-term!

3. No restrictions on tank water

During periods of water restrictions, water tanks can be a saviour. You can use rainwater to water the garden and keep it thriving through the dry months. Having a water tank will mean you don’t have to abide by water usage limited by council regulations.

4. It’s kind on the environment. 

Tank water means uses fewer resources and utilises water that is freely available to us, the rain!

5. Reduce strain on the stormwater drainage system

Installing a water tank can have other positive flow-on effects for the community. For example, the use of rainwater tanks in urban areas can relieve pressure on public infrastructure because of reduced stormwater runoff.

Reduce site run-off and flood peaks.

Rather than letting precious resources flow away, water tanks help you harness naturally occurring water supply. Not only does this have the benefit of increasing your water supply, but, water tanks can also play a role in protecting your property from the effects of heavy downpours.


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water tank install

Installing your Water Tank

There’s a size for every household. Water tanks come in all shapes and sizes to fit anywhere you need, including slimline water tanks or underground solutions that will fit into the smallest of spaces.

Check with your local council and water authority before buying and installing a rainwater tank. Some tanks may require building approval. You should always hire a professional and licensed plumber to make connections, especially to items connected to your main water supply, such as toilets and washing machines.


Best practices for Installation and Usage 

1. Location and Foundation

Ensure the water tank is installed in a location that complies with any council requirements, is in an efficient place to capture and access water, and is in a safe and stable location. Water tanks need to be placed on a level base that won’t decay or significantly move over time. Ensure there are no sharp objects or debris that can damage the water tanks. A professional installer will be able to help you assess the best position for your water tank.

2. Interconnection with mains water

You should never interconnect water tanks with the mains water supply without determining local requirements. Protection of mains water distribution systems from external water sources is an essential public health requirement. Consequently, water authorities do not allow direct connection of rainwater systems with mains water. Installing a backflow prevention device will stop rainwater siphoning into the mains supply, and is a requirement if you connect to mains water. You should engage a professional plumber for any mains work required.

3. Covers and Lids 

Tanks should have impenetrable covers. All access points, with the exception for the inlet and overflow, should be provided with close-fitting lids. These lids need to be kept closed unless in use. The inlet to the tank should incorporate a filter to prevent material, such as leaves, from being washed into the tank. Additionally, a mesh covering to prevent access to mosquitoes and other insects should be fitted. Overflows should be covered with an insect-proof mesh also. Tanks should be light-proof to minimise algal growth.

4. Inlet Pipes 

Wherever possible, all sections of inlet pipes should be directed down, and rainwater should flow into the top of the tank. Pipes that point anywhere but down can create traps for sediment and stagnant water; therefore, these need to be avoided. Modifications to existing downpipes should not restrict the water flow from roof gutters. To maximise rainwater collection, downpipes should be of sufficient diameter to accept water flow from roof gutters, even in heavy rains.

5. Water Quality Testing

Testing of rainwater, for both microorganisms and chemical contaminants, from domestic tanks is rarely necessary and in most cases is not recommended. Testing for specific pathogens is often expensive and unnecessary. If there are strong concerns about water quality, chlorination of tank water is a suitable alternative to testing. Chemical testing should only be required in exceptional circumstances, such as in specific areas where concerns about impacts from major industrial projects are prevalent. In these circumstances, the chemicals of concern need to be identified before testing. Water quality testing is not recommended for general water tank maintenance. If you feel the need to test your water quality, it is advisable to contact a professional testing service, as well as your local water or environmental health authority for advice.


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When it comes to water tanks, the professionals know best. A professional plumber has the training and expertise to install your water tank efficiently, giving you the most optimum experience possible. Twin Electrics & Plumbing are experts in water tank installation and maintenance. You can rest assured that we have the skills and know-how to help you with all water tank enquiries. 

At Twin Electrics & Plumbing, we have more than 30 years of experience; our qualified technicians will sort any plumbing situation efficiently.

For all plumbing, enquiries contact us on 03 9808 7555, or via the online form. Twin Electrics & Plumbing attend a wide range of plumbing jobs for domestic and commercial needs and are your premier plumbing service in Melbourne’s eastern suburbs. 

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