Decades of underinvestment are to blame for Wellington's water crisis, according to infrastructure experts. 

Wellington is facing tightening water restrictions as more than 40% of treated water is lost due to leaks and burst pipes in the region.  

Infrastructure New Zealand Policy Director Michelle McCormick told Mike Hosking that the whole country is facing water issues, and we need to better prioritise infrastructure spending. 

She says the chickens are coming home to roost. 

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