Polluted river stretches in Punjab increased from four in 2018 to five in 2022 with rising bod levels

Polluted river stretches in Punjab have increased from four in 2018 to five in 2022, with BOD concentration rising to 120 mg/L. The Sutlej river stretch from Ropar to Harike shows the highest pollution levels. Comprehensive action plans are being implemented by the Punjab government to address these issues.