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Polluted River Sites in India
September 29 , 2025
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- The number of river locations unfit for bathing in India decreased to 807 in 2023 from 815 in 2022, according to the Central Pollution Control Board (CPCB).
- The count of ‘most polluted’ river stretches, classified as Priority 1 with biological oxygen demand (BOD) over 30 mg/L, dropped from 45 in 2022 to 37 in 2023.
- Maharashtra had the highest number of polluted rivers stretches (54) in 2023, followed by Kerala (31), Madhya Pradesh (18), and Manipur (18).
- Tamil Nadu, Uttar Pradesh, and Uttarakhand recorded the highest number (five each) of Priority 1 river stretches needing urgent remediation.
- The CPCB monitors water quality at 4,736 locations including rivers, lakes, canals, and drains across India.
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