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The Najafgarh drain or Najafgarh nalah (nalah in Hindi means rivulet or storm water drain), which also acts as Najafgarh drain bird sanctuary, is another name for the northernmost end of River Sahibi, which continues its flow through Delhi, where it is channelized, and then flows into the Yamuna. Within Delhi, due to its channelization for flood control purposes, it is now erroneously called "Najafgarh drain" or "Najafgarh nullah." It gets this name from the once famous and huge Najafgarh Jheel (lake) near the town of Najafgarh in southwest Delhi and within urbanized Delhi. It is the Indian capital’s most polluted water body due to direct inflow of untreated sewage from surrounding populated areas. A January 2005 report by the Central Pollution Control Board classifies this drain, with 13 other highly polluted wetlands, under category ‘‘D’’ for assessing the water quality of wetlands in wildlife habitats.[1][2][3][4][5]
Aerial viewNajafgarh Drain flowing through Kakrola Bridge near Dwarka Sector 16
This drain was widened as a flood control drain linking the Najafgarh lake to the river Yamuna, thus completely draining the once huge and ecologically rich Najafgarh Lake, famous for its wetland ecosystem, waterbirds and wildlife.
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2 Master Drains To Be Linked With Najafgarh Drain To Tackle Flooding
TNN | Jul 17, 2023, 15:12 IST
The GMDA is all set to construct remaining portions of two master drains - leg 2 and leg 3 - in the city to connect with Najafgarh... Read More
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GURGAON: The GMDA is all set to construct remaining portions of two master drains - leg 2 and leg 3 - in the city to connect with Najafgarh drain. The move will help tackle flooding in seven villages around Najafgarh drain.
A GMDA official said these master drains will channelise stormwater into the Najafgarh drain directly. The project will be implemented in three phases.
In the first phase, GMDA will construct the remaining 550 metres of leg-2 to connect it with Najafgarh drain. The drain will be constructed on a 30m-wide land. Of the 3,100 metres of leg 3, construction of the remaining 2,200 metres will be carried out in the second phase. In the third phase of the project, the remaining 900 metres will be built, said the GMDA official.
“We are aiming at improving the master stormwater drainage connectivity to Najafgarh drain to minimise flooding in areas located along it.
“The detailed project report for the first phase has been prepared and it is now under scrutiny. We are planning to float the tender for the same by August. The estimated cost of the project is likely to be around Rs 21 crore. A consultant has been hired for the preparation of DPR of phase-2 and 3,” said Rajesh Bansal, GMDA chief engineer infra-II.
There are three drains that carry rainwater to the Najafgarh drain - leg-1, 2 and 3. The leg-2, which originates from Sector 42 having a length of approximately 16.5 km, was laid for 30 metres and it culminates near Sector 107. With no proper connectivity to Najafgarh drain, water run off during the monsoon into adjoining areas such as Dharampur, Daultabad, Mohamud Heri and the areas even remain submerged with treated sewage discharge during the summer. Similarly, the leg-3, also known as Badshapur drain, originates from Ghata Village up to Sector 99 and covers around 26km. It was laid only for 30 metres, affecting the areas including Dhankot, Chandu Budhera, Kherki Majra and Mankrola.