Is Kolkata Tap Water Safe To Drink?

No, it's not advisable to drink the tap water.

Tap water in Kolkata is generally treated and supplied by the Kolkata Municipal Corporation but may contain contaminants due to aging infrastructure.

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Water Sources
Drinking Fountains

Boil or filter tap water before drinking to reduce risks from microbial contamination and pollutants. Bottled or purified water is commonly preferred.

Regular monitoring occurs, but occasional reports cite water quality issues. Using proper household treatment ensures safer consumption of Kolkata's tap water.

Last checked: 2026-06-22

India is ranked as number 143 globally with a score of 25.4% in the water quality EPI research conducted by Yale University.

Source of Water in Kolkata, India

Kolkata's tap water primarily comes from the Hooghly River, which supplies raw water to purification plants.

Groundwater sources also contribute, especially in peripheral areas, via bore wells and tube wells.

Water undergoes treatment at multiple plants before distribution by Kolkata Municipal Corporation for residential use.

Kolkata Drinking Fountains

Public drinking fountains in Kolkata may not consistently meet safety standards due to maintenance and water quality variability.

Users should exercise caution and consider bringing personal water for consumption instead of relying on fountains.

When available, ensure fountains appear clean and water flows continuously to reduce contamination risks before use.

Drinking Water Map

Here is a map showing all the locations of drinking water spots in Kolkata. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.

Nearby Places

Calcutta (0 km)

About the Author

Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.

I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.

Safe, clean tap water isn't just my job, it's something I truly care about.

Disclaimer

* The information provided on this website regarding the safety of tap water in Kolkata is sourced from reputable sources such as the World Health Organization (WHO), local water authorities, and the Environmental Performance Index (EPI) from Yale University. While we strive to ensure accuracy and reliability, it's important to note that water quality can vary over time and may be subject to factors beyond our control. Users are encouraged to verify the current water quality status with local authorities or consult additional resources before making decisions regarding water consumption. We disclaim any liability for actions taken based on the information provided on this website.