Drinking water standard for nitrate needs review - Canterbury public health expert

There is growing evidence the maximum allowable level of nitrate in drinking water should be halved, a Canterbury public health expert says.

It comes off the back of Greenpeace writing to Te Whatu Ora Health New Zealand over its "serious public health concerns" about Canterbury's drinking water.

Greenpeace said drinking water independently tested in several of the region's towns had nitrates at levels which were linked to an increased risk of premature and underweight births.

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