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HEALTH● ELEVATEDJul 2 · Jul 2, 2026, 3:29 PM

Groundwater quality assessment flags elevated nitrate and iron contamination in Kerala

The Hindu

Of the 699 groundwater samples collected from the State, 32 showed nitrate concentrations above the permissible limit of 45 mg/litre. Forty-nine samples showed iron concentrations above the permissible limit

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