There’s been a lot happening in water policy lately, and for once, most of the news is good. Most importantly, it’s been raining, a lot. The total volume of the recent rains has been estimated at around 6000 Gigalitres. Even after diversions, evaporation, absorption by the soil, refilling of water tables and so on, there will be somewhere between 600 and 1000 GL to flow down the Murray and stave off the disaster threatening the Lower Lakes, as well as many upstream ecosystems.
Meanwhile, the Rudd government’s decision to bite the bullet and start buying water from irrigators willing to sell has been thoroughly vindicated. The money has been a huge benefit to farmers keen to move out of agriculture, or from irrigated agriculture to dryland, and has done a lot to soften the impact of the drought. Most recently, a couple of irrigation districts have voted to sell en masse with a resulting saving in the cost of irrigation channels and other infrastructure. In a situation where too much water had been allocated to irrigation, and where (despite the current rain) there is likely to be less in the future, this is a necessary part of the adjustment process.
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