Is Ljubljana Tap Water Safe To Drink?

Yes! The tap water is safe to drink.

Tap water in Ljubljana, Slovenia, is safe to drink. The public water supply is treated, regularly monitored, and regulated under Slovenian and European Union drinking water standards.

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Water Sources
Drinking Fountains

Water quality is generally high throughout the city, and most residents drink it directly from the tap. In older buildings, internal plumbing can sometimes affect taste or quality, so cold tap water is best for drinking.

Last checked: 2026-08-31

Slovenia is ranked as number 20 globally with a score of 91.5% in the water quality EPI research conducted by Yale University.

Source of Water in Ljubljana, Slovenia

Ljubljana’s tap water comes mainly from groundwater stored in the Ljubljansko polje and Ljubljansko barje aquifers. The public water system draws it from well fields including Kleče, Jarški prod, Hrastje, Šentvid, and Brest.

The groundwater is naturally filtered through layers of gravel and sand before collection. It receives monitoring and, where necessary, treatment before entering the municipal distribution network.

Ljubljana Drinking Fountains

Public drinking fountains in Ljubljana are generally safe to use because Slovenia has strict drinking water standards and a well-regulated public water supply. Water from fountains marked as drinking water is normally treated and routinely monitored.

Do not drink from a fountain marked non-potable, closed, or out of service. Let the water run briefly before drinking, especially if the fountain has not been used recently.

Drinking Water Map

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