Delhi tap water fails all health tests; Mumbai drinking water cleanest, safest: BIS Report

New Delhi: To ensure that clean and safe drinking water is provided to everyone, the Department of Consumer Affairs decided to undertake a study through the Bureau of Indian Standards (BIS) on the quality of piped drinking water being supplied in the country and also rank States, Smart Cities and Districts based on the quality of tap water. Tests were conducted on various parameters such as organoleptic and physical Tests, chemical tests, toxic substances and bacteriological tests in the first stage. A vast majority of the samples have failed to comply with the requirements of IS 10500:2012 in one or more parameters. In Delhi, all the 11 samples drawn from various places did not comply with the requirements of the Indian Standard, and failed on several parameters. All the 10 samples drawn from Mumbai were found to comply with the requirements.

Union Minister of Consumer Affairs, Food and Public Distribution, Ram Vilas Paswan, has exhorted providing quality products to consumers, which includes providing clean & safe drinking water for all. This is in line with the Jal Jeevan Mission, announced by Prime Minister Narendra Modi, aiming to provide tap water to all households by 2024,


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In the first phase, the samples of drinking water were drawn from various locations across Delhi and in the second phase samples were drawn from 20 State capitals and sent for testing as per Indian Standard 10500:2012 (Specification for Drinking Water) as set by the BIS.

In Delhi, all the 11 samples drawn from various places did not comply with the requirements of the Indian Standard, and failed on several parameters. All the 10 samples drawn from Mumbai were found to comply with the requirements.

In the cities of Hyderabad, Bhubaneshwar, Ranchi, Raipur, Amravati and Shimla, one or more samples did not comply with the requirements of the Standard and none of the samples drawn from 13 of the State Capitals i.e. Chandigarh, Thiruvananthapuram, Patna, Bhopal, Guwahati, Bengaluru, Gandhinagar, Lucknow, Jammu, Jaipur, Dehradun, Chennai, and Kolkata complied with the requirements of the Indian Standard.


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Addressing media after releasing the report, Paswan said that all should get clean drinking water and that is the objective of this activity. He added that the objective is not to demotivate anyone rather it is to encourage State Governments to ensure quality potable tap water to all citizens.

Paswan further said that in the third phase, samples from Capital cities of North Eastern States and Smart Cities identified by the Ministry of Housing and Urban Affairs have been drawn and are being tested. The result of these are expected by 15 January 2020.

While in the fourth phase, it is proposed to test samples drawn from all the district headquarters of the country and their testing is planned to be completed by 15 August 2020. Paswan also said that the Union Government wants to make BIS Standards mandatory for tap water so as to ensure quality drinking water for all households.

Click here to view the results and rankings of all state capitals.


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The ID Staff

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