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Rainwater Harvesting Australia is the national representative body of the Australian rainwater harvesting industry and is a committee of Irrigation Australia.

















Australians have a long standing love affair with water tanks - for good reasons

The Association works to:

·  support sustainable water use in Australia;

·  support the 5.1 million Australians who own a rainwater tank (ABS, 2013);

·  promote rainwater harvesting as an integral part of sustainable water management; 

·  maintain standards and guidelines for rainwater harvesting in Australia.

These actions grow and develop the $500 million Australian rainwater harvesting industry.

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What is the Latest?

12 December 2017 The ABC recently published an article suggesting rainwater was toxic and would cause gastro. This advice is not consistent with the national guidelines and 20 years of research into the health impacts of rainwater. The new Rainwater Harvesting Australia committee has responded on behalf of the rainwater harvesting industry. Read our Press Release here. 


23 November 2017 The new Rainwater Harvesting Australia committee has held its first meeting on 23 November with our new Chair, John Pivac, under the auspices of Irrigation Australia. The first meeting went well and the new committee has an exciting agenda. 


26 October 2017 At the RHAA Annual General Meeting in Adelaide the members confirmed the unanimous resolution of the RHAA to join Irrigation Australia and transfer all RHAA members to Irrigation Australia. That process has commenced and the new Rainwater Harvesting Australia Committee of Irrigation Australia will have its first meeting shortly. You can find us in the Rainwater Harvesting Category on the front page of the Irrigation Australia website and a redesigned Rainwater Harvesting website will be available next year. The RHAA Directors wish to thank all of our past and present members for the good work of the Association and look forward to some great future initiatives. 

26 October 2017  The Rainwater Harvesting Association Adelaide breakfast theme was Energy and Water and South Australia was the perfect place for it. Our speakers included:

  • Minister for Sustainability, Environment and Conservation, Hon Ian Hunter MLC speaking on Energy, Water and Rainwater Harvesting policy
  • Professor PJ Coombes: Systems Analysis and Energy and Water Case Studies (presentation available shortly)
  • Huw Lloyd, Grundfos Energy Optimisation Manager for the Asia Pacific Region (presentation available now)

Copies of the presentations are available  here


10 October 2017 The Independent Water Council have teamed up with the Council Alliance for a Sustainable Built Environment (CASBE) and Stormwater Victoria to congratulate the Victorian Minister for Planning on integrated water management including rainwater harvesting in the new Better Apartment Design Guidelines. This is a great step forward in recognising rainwater harvesting as the first element of an integrated water management approach. 

27 September 2017 The Rainwater Harvesting Position Paper documents the triple benefit of rainwater harvesting in reducing the costs of water infrastructure across the urban system, with water-efficient appliances reduces household expenditure on water and reduces stormwater management costs. 

The Position Paper outlines how significant rainwater harvesting is in Australia, how rainwater harvesting works and what the future holds. The Position Paper concludes that Rainwater Harvesting will be a major water policy issue in Australia in the 21st Century. 

21 August 2017 The Rainwater Harvesting Association (RHAA) and Irrigation Australia (IAL) advise their respective members that they intend to enter into formal discussions to see if a Heads of Agreement can be entered into that enables RHAA members to join IAL conditional upon IAL providing rainwater harvesting strategic & policy direction as a core service that is acceptable to current RHAA members.


14 August 2017  The RHAA has issued a press release on the Seqwater debt and better options for future water management as discussed on Brisbane ABC Morning Radio on 14 August. 


4 August 2017 The Independent Water Council, of which RHAA is a member, has issued a press release on the paradox of urban water, our cities don’t have enough drinking water and need to import it and at the same time we have too much water, in the form of stormwater that we have to get rid off. Solutions like rainwater harvesting can help with both problems. Visit the Independent Water Council to see the press release. 


4 July 2017 Welcome to our new members, Irrigation Australia and Biofilta. Irrigation Australia has a keen interest in rainwater harvesting and rainwater harvesting is an important water source for horticulture. IA and RHAA are now mutual members. Another new member, Biofilta, has a great motto - transforming cities into water catchments and urban farms. We look forward to working with you. 


21 June 2017 The Independent Water Council, of which RHAA is a member, is interested in water provided to households that are independent of government and utility services. This includes rainwater tanks, recycled water, water from waterways, bottled water and bore water for homes both in urban and rural areas. The Independent Water Council Press Release on Housing affordability looks at how water sources like rainwater can ease the costs of living in our houses.  Independent Water Council


12 June 2017 Rainwater tanks are ranked highest on Moreland City Council's Water Sensitive Urban Design Hierarchy as they provide multiple environmental benefits (stormwater pollutant and volume reduction) and can save occupants money by reducing household mains water use. Moreland City Council  has a consistent series of important messages in the Environmentally Sustainable Development section of its Planning and Building controls that deserve recognition

4 May 2017 The RHAA Breakfast Event on driving regulatory change in Rainwater Harvesting was held at the Mantra on Russell in Melbourne CBD with an introduction by the Hon Peter Walsh, Shadow Minister for Water and presentations on the new design specification and the Kingspan Melbourne Alternate Water Plan. Find details and copies of the presentations here.


20 March 2017 The Rainwater Harvesting Design Specification for above ground tanks for residential dwellings, a joint project with Urban Water Cycle Solutions is underway. Read more here.

18 January 2017 Financial Review Article Why the Water Supply needs a Splash of Competition by Prof PJ Coombes highlighting the positive impact on household welfare of more efficient water solutions enjoyed in NSW under the BASIX regime. 

15 December 2016 A Water Sensitive SA free event in association with the RHAA at the Adelaide Town Hall on The new economy, rainwater harvesting, stormwater management & multi-scale benefits across the city, for details and to register see the Ripple Effect blog


21 October 2016 The latest breakfast event and RHAA AGM  in Brisbane. Integrated Water Management in 21st Century Business with speakers from Stocklands, Currumbin Ecoresort and E2Designlabs. Check out the Ripple Effect blog and flyer for the event. Copies of the presentations are at Events

15 July 2016 The Ripple Effect blogsite has a new URL, it can now be found at You may need to update your bookmarks.

June 2016 RHAA presentation at the ARMO International Conference for Rotational Moulders on the Gold Coast on Rainwater Harvesting Independence and Resilience. This presentation launches the RHAA/ARMA joint project on Independent Water 

May 2016 New blog on the rainwater health debate Rainwater health debate


April 2016 New blog on sustainable households and measuring data Sustainable Households


April 2016 The RHAA enjoyed some great speakers on the future of Australian Housing Design and different ways to manage water at the Breakfast workshop in Sydney. The event is covered in our latest blog The future is here it is just not evenly distributed


March 2016 New blog on the rise and rise of household expenditure on mains water Household Water Expenditure


March 2016 New blog on the lessons from the Milennium drought Managing Drought


March 2016 New blog on Rainwater harvesting maintenance providers Who you gonna call?


February 2016 New blog on Rainwater Harvesting System Maintenance - Pumps

February 2016 The Rainwater Harvesting Association's next breakfast event will be in Sydney on April 20 on the future of housing design in Australia

February 2016 Rainwater Harvesting Summer 2016 News

December 2015 A great report from the Australian Bureau of Statistics on Rainwater Harvesting, on the Ripple Effect - Rainwater Harvesting goes Mainstream


December 2015 - Press Release - $500 million of water from rainwater tanks as Governments ignore rainwater harvesting


November 2015 Three new blogs on the Ripple Effect in November
El Nino 2015 and the Cost of Water,
Rainwater Harvesting is an integrated Policy Solution,
Rainwater Harvesting System Maintenance - Design

25 November 2015 - Clarification The RHAA is pleased at the level of interest in the report by Dr PJ Coombes et al about water servicing costs, sustainable buildings policy and rainwater harvesting. The newspaper article in the Sunshine Coast Daily on 23 November 2015 has added two different elements of the report, the whole of society benefit and the water utility profits, to derive a figure of $7.3 billion. This figure was subsequently quoted by the ABC Sunshine Coast Radio and is not correct. The whole of community benefit is actually $3.5 billion between now and 2056, the increased profitability of water utilities of $3.8 billion is a different macroeconomic benefit that cannot be added to the whole of society benefit. We thank the Sunshine Coast Daily and the ABC Sunshine Coast for supporting this important discussion.

November 2015 - Notice of AGM 3pm, 26 November Dove and Olives Hotel, Surry Hills, Sydney
October 2015 - El Nino 2015 - Getting Hot. The El Nino event is a big one, and is likely to intensify heatwaves in urban areas on the Ripple Effect Blog

September 2015 - Wicking Beds, this is the Rolls Royce of Vegetable beds on the Ripple Effect blog

August 2015 - RHAA makes submissions to the Australian Building Control Board on backflow prevention and rainwater harvesting

August 2015 - Sustainable Buildings Breakfast Zinc at Federation Square Melbourne, presentations are now available for downloading here

June 2015 - Press release - Rainwater Harvesting Association welcomes Senate Enquiry into non-conforming building products

June 2015 - Breakfast conference in Brisbane 11th June - Presentations for Download

May 2015 -  Launch of the sustainable water use blog site - The Ripple Effect  

May 2015 -  Invitation to our industry breakfast - 11 June, Brisbane Event - Sustainable Housing 

May 2015 - Press Release - This rainwater tank is worth more than a new car 

May 2015 - RHAA purchases the not for profit sustainable water use blog Ripple Effect from the savewater Alliance

April 2015 - Membership invoices sent out for 2015/16

January 2015 - Press Release - Realising our assets in rainwater

November 2014 - CSIRO study on savings and conditions of rainwater tanks released 

August 2014 - Sydney Event Presentations - download the rainwater harvesting presentations here


Last Updated on Monday, 11 December 2017 15:46
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