The Modi government will over the next six months install high-tech sensors at critical points along the Ganga to monitor industrial runoff from about 700 units — the first steps towards the long and daunting task of cleaning the 2,510-km river.
The sensors will self-monitor the levels and nature of effluents and pollutants. They will send real-time data on discharges from factories to a central server and will automatically send alerts when effluents breach permissible limits. Non-compliant industries will face action.
The Ganga, India’s longest river and an icon of the Hindu faith, supports a third of the country’s 1.2 billion people living on its floodplains. Despite its cultural importance, it is dying a slow death due to filth, untreated sewage and industrial runoff. Only 45% of the 11 billion litres of sewage from 181 towns along the river is treated.
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