Troubled waters: sewage and effluents sink the Cauvery

The Cauvery, which rises in the Western Ghats of Kodagu and flows through Karnataka and Tamil Nadu before meeting the Bay of Bengal, sustains millions of people and is home to South India’s oldest agrarian delta. And yet, today, its waters run sullied and turgid with effluents and other industrial and domestic sewage inflows, an investigation by The Hindu team has revealed