Polluted River Stretches in India Show Improvement: CPCB Report

On 22nd September 2025, the Central Pollution Control Board (CPCB) released the “Polluted River Stretches for Restoration of Water Quality” assessment, revealing that 46% of river stretches assessed in 2022 were polluted, showing a significant improvement from previous assessments.

Key Findings

  • Polluted Stretches: 279 out of 603 river stretches (46%) were polluted in 2022.
  • Improvement over 2015: In 2015, 70% of stretches (275 out of 390) were found polluted.
  • Monitoring Locations: Assessment was based on 2,116 locations monitored in 2022–2023, of which 1,299 (62%) complied with pollution criteria such as Biochemical Oxygen Demand (BOD) ≤ 3 mg/l.
  • Recovery of Previously Polluted Stretches: Out ....
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Ecology & Environment