As water companies start preparing for AMP6, priority will rightly be given to the challenges posed by a fast growing population: how best to balance supply with future demand projections and the most cost efficient strategies for dealing with ageing infrastructure. However, there is another issue that the sector often undervalues; strengthening infrastructure against network failure and the consequences of interruptions to supply. In recent years, extreme weather events have highlighted substantial vulnerabilities in our water networks. In the US in September 2011, tens of thousands of people were left without water or power as flood water from hurricane Irene inundated power stations and water sources.
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