Is Bismarck Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Yes. Tap water in Bismarck is treated by the Bismarck Water Treatment Plant and is generally safe to drink under U.S. Environmental Protection Agency and North Dakota drinking water standards.

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Water Sources
Drinking Fountains

Water quality can still be affected by lead plumbing in older homes, especially through household pipes and fixtures. Run cold water briefly after prolonged stagnation, and review Bismarck’s annual water quality report for test results and any current advisories.

Last checked: 2026-09-08

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 Bismarck, United States

Bismarck’s tap water comes primarily from the Missouri River. The city draws river water through an intake system near Bismarck.

At the Bismarck Water Treatment Plant, the water is treated and disinfected before entering the municipal distribution system. It is then delivered through local water mains to homes and businesses.

Bismarck Drinking Fountains

Public drinking fountains in Bismarck are generally safe to use when they are connected to the municipal water system and properly maintained. The city’s treated water is regulated under North Dakota and U.S. drinking water standards.

Avoid fountains marked out of service, visibly dirty, or located where water has been shut off for an extended period. 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 Bismarck. 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.

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 Bismarck 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.