Is Boston Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Boston tap water is generally safe to drink, meeting EPA standards for contaminants. It comes primarily from the Quabbin and Wachusett Reservoirs.

Water Sources
Drinking Fountains

The Massachusetts Water Resources Authority (MWRA) regularly tests and treats the water to ensure safety. Chlorination and UV treatment are used for disinfection.

Occasional advisory notices may occur, but these are promptly communicated. Residents are encouraged to check MWRA updates for current water quality information.

Last checked: 2025-04-25

United States is ranked as number 9 globally with a score of 96.4% in the water quality EPI research conducted by Yale University.

Source of Water in Boston, United States

Boston's tap water mainly comes from the Quabbin Reservoir, located about 65 miles west of the city. It is the largest source.

The Wachusett Reservoir, roughly 35 miles west, is the second primary source. Both provide high-quality surface water.

Water is transported via a network of aqueducts and tunnels managed by the Massachusetts Water Resources Authority (MWRA) before treatment and distribution.

Boston Drinking Fountains

Public drinking fountains in Boston receive water from the city's treated supply, which meets EPA safety standards. They are generally safe to use.

However, fountain cleanliness and maintenance vary. Occasional issues like sediment or biofilm can affect water quality locally.

If a fountain appears dirty or damaged, avoid use. Report concerns to local authorities for inspection and maintenance to ensure safety.

Drinking Water Map

Here is a map showing all the locations of drinking water spots in Boston. You can click on each water drop to open the spot directly in Google Maps for directions.

Nearby Places

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 Boston 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.