Political leadership is needed to set the agenda for managing Australia’s water more wisely. Dec. 9, 2019. Follow us on Twitter @spectator Perhaps a more sustainable approach that could stop the Groundhog Day crisis management cycle? Now all our other capital cities have such plants and by 2015 Australia had joined the global top 10 desalinated water producers.While Sydney’s population happily drinks the treated water from Warragamba Dam, few would know that this is sourced from a 16,200 square kilometre catchment containing pollution from millions of animals and treated sewage effluent from millions of people all of which runs into Sydney’s dams. However, they require excessive energy — “bottled electricity”, as former New South Wales premier Bob Carr put it — and increase water prices.Using similar technology to desalination plants, crystal clear wastewater from our cities and towns can be treated to the same high quality, but at one third the energy use and can significantly reduce the pollution of our rivers and oceans, particularly from pharmaceuticals, viruses and microplastics).Before to the Millennium Drought, construction of Sydney’s Warragamba Dam (1960) was driven by the World War II drought crisis. Desalination plants may be part of that future management, but only when other more efficient and effective solutions such as urban rainwater harvesting, and potable water recycling have been fully embraced.Desalination is ‘king’ in the global water industry, and it wants more customers. "I think you can have a beautiful green city, a very liveable city in a very dry climate and we always welcome the opportunity to demonstrate that to anybody that is interested. Australia may be the “land of drought and flooding rains”, but that is no excuse to mismanage abundance and utilise water poorly in times of drought. Even then, the Water Board knew that water demands would exceed Warragamba’s capacity to deliver by 2000. "For a city touched by the Indian Ocean, it has not had to look far for part of the solution. There has been a hefty price for the community, with household bills doubling in recent years.While stripping salt from seawater has helped to insulate a growing population against the effects of a drying climate, authorities have been experimenting with the Gnangara system, Perth's largest source of groundwater.A decade-long trial of injecting treated wastewater into deep aquifers up to 1,000m underground has recently ended. By AJ Dellinger. A government failure to invest adequately in climate-change adaptation measures and poor civil-defence preparedness have angered an Australian public in the grip of devastating megafires. Spain’s desalination program is assisted generously by the EU Water Plan, making cost a secondary issue and allowing them to use 11 per cent of its capacity for agriculture.Some people are now suggesting desalination could resolve rural water overuse in the Murray Darling Basin. Ms Davies says having a beautiful and green city in a dry climate is doable Singapore has planned ahead, consulted, informed and delivered potable recycled water. These are external links and will open in a new window

This “unplanned” potable water recycling is deemed perfectly acceptable. Sydney Water (indeed all our water utilities) manages, treats and distributes this water to provide world-class safe drinking water for their customers. Australia’s water crisis is a harbinger of things to come around the world.




"The project… is a highly innovative, sensible approach to the sustainable management of the use of the Gnangara groundwater resource. "The groundwater replenishment trial was highly successful and is now in production," said Greg Claydon, the executive director of Science and Planning at the Department of Water. It has been suggested that desalinated water could be piped to the Murray Darling Basin floodplains for irrigation.

Water-saving tips are now common topics of conversation around the office water cooler.The state government says a dramatic drop in per capita water use, along with alternative sources have helped Perth, which is home to about two million people, beat the Big Dry. In 1972, the Water Board bravely attempted to break the crisis management cycle, with three solutions proposed: a sister dam to be known as Welcome Reef; a desalination plant; or a potable water recycling plant. "Western Australia has seen climate change happen faster and earlier than almost anywhere else on the planet.

Here many lawns and grass verges are in good health, although the local park is brown and thirsty.While concerned about the costs of desalination plants, Ms Siewert believes Western Australia's water policies are headed in the right direction.


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