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New Zealand study puts nitrate drinking-water limits back on the table
A 2026 Aotearoa New Zealand study links nitrate in drinking water to preterm births at concentrations well below current safety thresholds, sharpening a long-running fight over rural runoff and water standards.

Wire provenance
This editorial synthesis draws on the following public wire/social posts:
- https://en.wikipedia.org/wiki/Nitrate
- https://en.wikipedia.org/wiki/Methemoglobinemia
- https://en.wikipedia.org/wiki/Drinking_Water_Standards_for_New_Zealand
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