Three people died in Chennai last week after suspected consumption of contaminated piped water in the suburban area of Pallavaram.
Thirty-four others were hospitalized with diarrhea symptoms.
State Minister blamed the affected people for poor hygiene, which was seen as insensitive.
The cause of the contamination is still under investigation, and laboratory reports are pending.
This incident highlights a growing issue of water contamination in urban centers across India.
Similar outbreaks have occurred in cities like Bengaluru, Kochi, Noida, and Vizianagaram in recent months, often involving E.coli contamination.
Rapid urbanization and overcrowding are putting strain on water and drainage infrastructure, making it difficult for governments to ensure safe drinking water.
Data from the Jal Shakti Ministry show that arsenic and fluoride contamination is widespread in India, affecting hundreds of districts.
Globally, unsafe drinking water causes millions of deaths annually.
The United Nations recognizes the human right to safe water and sanitation, making it critical to address issues like chemical pollution of groundwater.
Tamil Nadu's CM M.K. Stalin has committed to improving the state's water supply, including increasing the per capita drinking water supply, reducing water wastage, and promoting recycled water.
However, there is a need for action to ensure safe water access.
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