Rainwater Use - Queensland, Australia

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Rainwater Use - Queensland, Australia

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Rainwater Use - Queensland, Australia

  1. 1. FACT SHEET S e c u r i n g o u r w a t e r, t o g e t h e r.Rainwater useSouth East Queensland is experiencing the worst drought on record and our dam levels are at historic lows.While rainwater tanks will be important in addressing the short-term water balance during the drought, theyare also an important element in supplementing our current water supplies to ensure a sustainable watersupply into the future.What can you use rainwater for?More and more households and industries in urban areas are realising what many people in rural areas haveknown for a long time – that rainwater tanks can provide a renewable supply of natural, soft, clear andodourless water.Rainwater can be used for washing cars and other objects, bathing, cleaning, animal husbandry, flushingtoilets, topping up pools and ponds, in the laundry and for gardening.How do water restrictions apply to rainwater tanks?If your tank is not connected to the town/mains water supply you can use the rainwater for any purpose atany time (even when water restrictions are in place). However, if your tank is empty and you fill it from thetown/mains water supply, or have a carrier deliver water from a town/mains water supply, you must complywith any prevailing water restrictions, as the water has been obtained directly or indirectly (via the carrier)from within a local council reticulated water system.All water from a rainwater tank will be subject to restrictions if the rainwater tank makes use of a trickle top-up system (see figure 1 on next page) to maintain supply for internal uses such as the toilet and the washingmachine. However, if a tank makes use of an automatic switching valve to maintain supply for internaluses (see figure 2 on next page), water from the tank is not subject to restriction so long as it is taken fromupstream of the automatic switching valve.Queensland Government rebates to help youThe Home WaterWise Rebate Scheme helps with the purchase of rainwater tanks. Some local Governmentsalso provide rebates: www.nrw.qld.gov.au/water/saverscheme/index.htmlWant to know more?www.water.qld.gov.auwww.lgp.qld.gov.au/?id=4174www.qwc.qld.gov.au or call 1300 789 906 Queensland Water Commission
  2. 2. FACT SHEET R ai n water u se GUTTER FLOAT DOWNPIPE VALVE RETICULATED TOWN WATER SUPPLY AIR GAP FIRST FLUSH DEVICE RAINWATER TANK BLEED TO OVERFLOW TO APPROVED FLOAT RAINWATER USESFigure 1. Rainwater tank using a trickle top up system TO OUTDOOR USES RAINWATER TANK AUTOMATIC SWITCHING DEVICE (DUAL CHECK VALVE BUILT IN) SENSOR TO APPROVED RAINWATER USES PUMP RETICULATED TO TOWN WATER RETICULATED SUPPLY TOWN WATER BACKFLOW WATER USES METER PREVENTION DEVICEFigure 2. Rainwater tank using an automatic switching device Queensland Water Commission

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