Inside a looming election debate on water levies

With water shaping up as a major election issue, Baz Macdonald looks at the calls for levies on commercial water use - and the potential effects on industries and the cost of living.

At their campaign launch on Sunday, the Greens confirmed water will be a key election issue by proposing a 10c/litre levy on water bottling, and calling out National for what they say is a weak stance on the issue.

The question of water pricing has risen to the top of the agenda this year, but the debate has been bubbling beneath the surface since 2011 when Labour proposed a resource rental on water for irrigation as part of their election policy.

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