Irish Water's plan was in the pipeline for some time
Irish Water's decision is no great surprise. Given the high costs of making sea water safe to drink, desalination was a no-brainer.
There's no question about the need for a new supply for Dublin, the only question was from what point on the River Shannon would water be drawn.
During the 2013 Web Summit, more than one million people had supplies restricted after serious problems emerged at the country's biggest treatment plant.