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Fluoride concentration in Tawang water within limits: CPCB

Fluoride concentration in various natural water sources and treated water samples in Tawang district of Arunachal Pradesh is within prescribed safe limits, stated a report filed by the Central Pollution Control Board (CPCB) November 10, 2025 to the National Green Tribunal (NGT).

"Contrary to the high level of fluoride concentrations reported by Defence Research Development Organisation (DRDO), North Eastern Regional Institute of Science and Technology (NERIST...