Study finds nitrate contamination in rural drinking water samples

Tuesday 30 September 2025 · 2 outlets · 2 reports · updated Tue 30 Sep 2025, 6:02pm

In this story Earth Sciences New Zealand

A large-scale study led by Earth Sciences New Zealand has identified nitrate contamination risks in rural freshwater. Analysis of over 2,400 samples between 2022 and 2024 found that 5 per cent exceeded legal limits, with the highest levels recorded in Canterbury, Waikato, and Southland.

How they headlined it

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1. RNZTue 30 Sep 2025, 5:00pm

   Country's largest study into drinking water nitrates reveals rural freshwater at risk (opens in new tab)

2. Otago Daily TimesTue 30 Sep 2025, 6:02pm

   High amounts of nitrate contamination in Canterbury: study | Star News (opens in new tab)