What Perth Homeowners Should Know Before Installing Rainwater Tanks

If you live in any area of Western Australia where there is limited access to water reservoirs or mains, it makes sense to install a rainwater collection and storage system in your home. Throughout the state, installing rainwater tanks can also be a practical home improvement that will save you money and help you conserve natural resources.

Are you planning to have water tanks installed in your home in Perth, WA? Here are some of the details that need to be mapped out beforehand:


If it rains frequently in your area, smaller tanks would be fine since they get refilled regularly. Conversely, bigger tanks in larger numbers are better if the average rainfall in your community is low. Bigger tanks also give you access to a large store of emergency water, which is particularly useful if your area is prone to bushfires or drought.

Local Regulations

If the tank is an addition, your local government may require you secure a permit. Some suburbs may freely allow it, while others may enforce strict guidelines. Find out if there are regulations you need to comply with beforehand.

Roof Capacity

Does your roof have a big surface area and an efficient gutter system? You might want to consider installing a larger tank (or even more than one tank, in fact) to maximise the rainwater you can harvest.


Layout considerations should be thought out before the installation commences to ensure that you have ample space for a tank (or a set of tanks). If your yard cannot accommodate a round tank, for instance, opt for a slimline tank which works just as well and does not provide an unnecessary obstruction.

Planting AFTER Tank Installation

Keep in mind that frames, platforms, pipes and other fittings may be installed or modified with the rainwater tank. Finish your yard with grasses and plants after the installation and leave enough room for pathways. Likewise, your plants can be arranged depending on your water needs, i.e. in case you plan to connect the tank to an irrigation system.

Rainwater in the Household

Rainwater is commonly used to flush toilets, wash cars and do the laundry. Normally, the water you collect for these purposes will not need to be treated. However, if you plan to use rainwater for drinking or food preparation, you’ll need to invest in a water treatment system. Expert technicians, like those working with Rainfill Tanks and Curved Roofing Supplies, can help you decide which tanks you need, how they should be installed, and which type of water treatment system should be used.


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