Dams · Urban Water Sector

Delhi Drinking Water Canal gets toxic mix

In May 2019 SANDRP wrote, with photo evidence, after a visit to the Drain No 8 that brings Delhi’s drinking water that it is running next to drain no 6 carrying untreated industrial toxics from Haryana, with only sand bags separating the two. A visit on 21st July, 2020 provided video proof that water from drain no 6 is still happily mixing with drain no 8 at several places.

A visit to drain number 8, one of prominent canal carrying potable water supply of national capital can be shocking experience to anyone concerned with water quality and health of people. The canal (called escape) flows close to Delhi Haryana border in Sonipat district. The drinking water in the escape is being repeatedly contaminated with all sorts of industrial effluents.

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Yamuna River

Delhi’s Drinking Water is 9 inch Wall away from Toxic Industrial Effluents & Sewage

Feature image showing drain number 6 with industrial pollution running along drain number 8 which carries raw water for potable water supply to Delhi. The over spill in drain number 6 is plugged with sand bags. Image by author, May 11, 2019 

Role of Drain Number 8

About 300 cusec of water is supplied to Delhi via Drain Number (DN) 8. The drain branches off from Western Yamuna Canal (WYC) near Garhi Bindroli village in Sonipat. The total length of the drain is about 25 km. It carries Delhi’s share of water and discharges it into River Yamuna at Palla, where the river enters Delhi territory.

The water then flows 21 km downstream up to Wazirabad barrage where it is treated at Wazirabad Treatment Plant (WTP).  This plant also supplies water to New Delhi Municipal Council (NDMC) areas which includes President House, Parliament areas among other prominent VIP residential units. 

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