Four key steps to a clean Yamuna by March 2023 | Delhi News – Times of India

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NEW DELHI: Chief minister Arvind Kejriwal on Wednesday chaired a review meeting with water minister Satyendar Jain and officials of Delhi Jal Board (DJB) on implementation of an action plan to clean up the Yamuna and reduce pollution levels by 90% by March 2023.
Four major interventions have been proposed and review of the progress will be undertaken at various milestones. During the meeting, DJB presented a detailed action plan on reusing around 400MGD treated wastewater. Currently, only 90MGD wastewater is being reutilised in the city.
The CM announced that a host of steps would be taken in the coming months to improve the quality of the water coming from the existing sewage treatment plants (STPs) and upgrade all the equipment at these treatment units.
DJB has proposed four major interventions targeted to clean the Yamuna. A senior DJB official said the board would use modern technology to treat around 150MGD wastewater coming from Haryana and Uttar Pradesh by setting up natural wetlands and aeration method. “Wastewater in our drains will be tapped and taken to STPs. Third, steps will be taken to improve the quality of the existing STPs, including upgrading all the equipment and using innovative processes,” the official said.
As the fourth component, DJB plans to collect all the sludge and septage from the septic tanks across Delhi and reuse them in biogas plants to generate electricity and gas.
The board officials said there were five major drains carrying wastewater into the Yamuna, including Najafgarh, Shahdara, Barapulla, Delhi Gate and Mori Gate. “The Najafgarh and Shahdara drains, apart from carrying wastewater, also receive polluted water from Haryana and UP. The STPs and the drains will be treated as per the Yamuna Cleaning Plan of Delhi government to prevent polluted water to flow into the river,” said a government official.
He added that the STPs treat around 525MGD of water before it flows into the drains, of which, only 90MGD was being reused for different purposes. “An action plan to reuse 436MGD water has been presented by DJB before the CM. This water will be reused in waterbodies, lakes, irrigation, gardening, forests, groundwater recharge,” he said.



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