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Murray-Darling Basin Case Study

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Dear Minister
As I’m sure you’re aware as Prime Minster John Howard made a public statement on the 19th of April this year (2007) “that unless there was substantial rain in the next six weeks no water will be allocated to irrigators on the Murray-Darling basin” This will have an impact on at least 50,000 farmers and colossal effect on the agriculture economy as it is averagely 40% of Australia’s agriculture profit and the Murray-Darling basin is 2/3 (two thirds) of our country’s irrigated farmlands.

The situation we have is extreme water shortage with all Sydney’s dams down to level of 34% due the current drought. This drought was caused by not enough rain due to the El Niño effect. The El Niño effect is the warming of the eastern and central Pacific Ocean these ocean warmings have a severe effect on Australia. The El Niño effects make Australia drier than ever. The El Niño events occur about every 4-7 years and last for about 1 year – 11/2 years. All though …show more content…
Grey water has to go though aerobic treatment, biological treatment, ultrafiltration, ultraviolet disinfection and chlorine residual protection. Here is a brief description of the processes grey water has to go though before it can be used the aerobic treatment is where the insoluble substances get reduced into residue and the residue go down to the sewers. Biological treatment of grey water is where air is spread into the water and makes ideal conditions for bacteria to absorb the majority of the impurities of the water. Ultrafiltration is a membrane that the water has pass though as the water passes through the membrane stops all bacteria, viruses and particles form passing though. Ultraviolet disinfection is where multiple UV lights are installed to protect you form pathogens. The chlorine residual is where a little but of chlorine is added to the water to protect it from

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