Water Tanks
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Summers have been dry in recent years and water restrictions are a reality. As a consequence many people are now considering installing water tanks. By installing a rainwater tank, you have access to an additional source of inexpensive water and reduce the need to use mains water.
Water collected in rainwater tanks is suitable for a variety of domestic and industrial uses, such as garden irrigation, toilet flushing and processing. By purchasing the infrastructure, such as the tank, piping and pump, the water itself is free of charge.
Prices of rainwater tanks vary according to size, make, installation, additional fittings and suppliers. With the cost of water likely to increase, installing a water tank to capture rainwater is a good long-term financial investment.
Rainwater tanks are popular water-saving devices and a great way to contribute to better managing precious water supplies.
Commercial, industrial and retail properties can also take advantage of this supplementary water supply.
Before installing, you should be aware that there are very few building regulations for water tanks and in most circumstances you won't require a building permit. However, normal structure requirements may apply to the stand as it needs to be built to hold the weight of the tank. Therefore in that instance Council's Building Department recommend you seek advice from an Engineer, Building Surveyor or product supplier.
One general siting regulation that does need to be taken into account is that if the tank is connected to, or is positioned up against the house, it must be 0.5m away from the property boundary. If this requirement cannot be achieved a siting variation and building permit will be required. This won't apply however to a freestanding tank located well away from the house; for example down the back yard.
Other aspects to consider
- The recommended total height of the tank and stand should not exceed 3.6 m.
- Watertanks installed underground are required to have an engineers design.
- The installation of the tank must be done by a qualified registered plumber.
- The tank overflow must be connected to the stormwater system.
- Be considerate of your neighbours in regards to the placement of the tank and colour.
- The structure cannot contravene any Planning requirements, check the planning scheme.
- It must not be built over an easement; unless Council and relevant water authority approval is obtained.
- The title or plan of subdivision should be checked for covenants or similar agreements which may govern tanks.
For further information please contact the City of Casey.
Refer also to Building Permit Examples of when you may or may not require a building permit.
Visit the Our Water Our Future website for more information on rainwater tanks and a tank advisory service to help you get started.