85 NGOs urge WHO to review 70-year-old nitrate standard in drinking water

A coalition of 85 international organizations has formally requested the WHO to reassess its guideline for nitrate levels in drinking water, a standard that has remained largely unchanged for nearly 70 years. The letter argues that emerging evidence links low-level nitrate exposure to health risks, particularly colorectal cancer and methemoglobinemia in infants. The outcome is uncertain, but a revision could have significant public health and regulatory implications globally.

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