Is Baltimore Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Baltimore tap water is generally safe to drink and is treated to meet federal and Maryland drinking water standards. The city tests for bacteria, chemicals, and other contaminants throughout the treatment and distribution system.

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Water Sources
Drinking Fountains

Water quality can vary in older buildings because some properties may have lead service lines or plumbing. Use cold water for drinking and cooking, and follow any boil-water advisory issued by Baltimore City or the Maryland Department of the Environment.

Last checked: 2026-08-31

United States is ranked as number 15 globally with a score of 96.2% in the water quality EPI research conducted by Yale University.

Source of Water in Baltimore, United States

Baltimore’s tap water comes from three major reservoirs: Loch Raven, Prettyboy, and Liberty. These reservoirs collect surface water from the Gunpowder Falls and North Branch Potomac River watersheds.

The Baltimore City Department of Public Works treats the water at the Ashburton and Montebello filtration plants before sending it through the city’s distribution system. The treated water serves Baltimore City and parts of surrounding Baltimore County.

Baltimore Drinking Fountains

Public drinking fountains in Baltimore are generally safe to use when they are connected to the municipal water system and properly maintained. Baltimore’s public water supply is treated and tested under Maryland and federal drinking water standards.

Avoid a fountain that is visibly dirty, damaged, stagnant, or marked as out of service. Let the water run briefly before drinking, and follow any posted boil-water or water-quality advisory.

Drinking Water Map

Here is a map showing all the locations of drinking water spots in Baltimore. 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

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 Baltimore 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.