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Cauvery River Choked by Sewage, Industrial Waste
21 Jul
Summary
- Untreated sewage and textile effluents contaminate the Cauvery River.
- Water quality decline threatens drinking water and irrigation sources.
- Activists urge swift government action to halt river pollution.

The vital Cauvery River is currently facing significant pollution challenges due to the direct discharge of untreated household sewage and effluents from textile processing units into its waters at Bhavani. Domestic sewage flows into the river through open drains, while several textile units are alleged to release untreated industrial waste, severely impacting water quality.
This ongoing contamination is particularly concerning as the Cauvery serves as a major drinking water source for multiple districts and is crucial for irrigation in the Cauvery delta. Environmental experts highlight that the continuous influx of pollutants depletes dissolved oxygen, harms aquatic life, and can introduce persistent chemicals into the water and sediment.
Residents report that this persistent problem has gone unaddressed for years, despite numerous complaints filed with authorities. They express frustration over the lack of effective measures to intercept sewage or prevent industrial effluent discharge. Environmental activists are now calling on the State government and the Tamil Nadu Pollution Control Board (TNPCB) to take decisive action.
Activists demand that all domestic sewage be diverted for treatment, industrial units be regularly monitored, and strict actions be taken against violators. They also advocate for a time-bound plan to actively restore the river's health and prevent further degradation.