Monsoon nears but Delhi is not equipped to tap rainwater again

  • Mallica Joshi
  • Updated: Jun 12, 2016 11:37 IST

NEW DELHI: Monsoon is scheduled to hit Delhi on June 29 but the city is still far from being equipped to tap rainwater to meet its needs.

Several years of planning, policies and assessments of rainwater harvesting plans have failed to have the desired impact on the city’s water table, which has continued to drop.

A recent Delhi government push might change a few things on the ground but how easy the implementation will be remains to be seen.

State water minister, Kapil Mishra, has announced several plans over the course of the last year aimed towards increasing Delhi’s rainwater harvesting capacity. The emphasis over the last year has been on making ins titutions responsible for building and maintaining rainwater harvesting structures in their campuses. According to Mishra, the response has been encouraging.

“The response from Resident Welfare Associations has been very good. Colonies such as Anand Lok and some others in Vasant Kunj are doing good work. Institutions have also agreed to implement the plan. We are optimistic about the response but also recognize that a lot more needs to be done.

According to studies carried out by experts, if a house with a roof area of 50 square meters sets up a rainwater harvesting unit, the amount of water that can be collected is 18,330 litres in a year.

A study carried out by a Jamia Millia Islamia scholar in 2014 says that if the rooftop rain water harvesting technique is employed in houses in south Delhi, it could save between 11.43% to 71% of an individual’s annual water demand.

Delhi receives around 611 mm of rainfall every year.

The Delhi government is planning to start rainwater harvesting resource centres, of which three will be made functional in 15 days ..

The Delhi Jal Board has also started a project to tap flood water in Palla. Each year, during monsoons, the area is flooded. By digging well sin the area, the board will use it for supply and will also save the water for future use.

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