An artificial lake, which will receive treated water from a sewage treatment plant (STP), is being developed in the Najafgarh area as part of the Delhi government’s ‘City of Lakes’ project which aims to revive lakes in the national capital.
A walking trail and bird-watching points along the lake are also being developed.
The lake, which covers an area of around 4 acres, now receives treated water from the Pappankalan Phase-II STP through a 4 km long pipeline. A statement from the office of Water Minister Saurabh Bharadwaj said the lake started to fill with treated water a month and a half ago and in that time there has been a 3.24m rise in groundwater level. Bharadwaj visited the lake on Saturday.
The treated water from the Pappankalan Phase II WWTP complies with the standards for effluent discharge to water sources or land disposal, in accordance with the Delhi Analysis of the Pollution Control Committee of the samples collected in April of this year.
The landscape around the artificial lake is underway. Once the work is complete, treated water from an on-site STP will be released into the lake.
With the development of these lakes with the intention of improving groundwater levels, piezometers are being installed around the lake to measure its impact on groundwater. To extract this water and improve the supply to parts of Dwarka, tube wells will be installed near the lake.
Similarly, to enhance groundwater recharge, two lakes with a combined area of 11 acres have already been developed within the Pappankalan Phase-II STP facility.
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