Is Tap Water Safe to Drink in Denmark?
Yes, tap water in Denmark is safe to drink everywhere, including Copenhagen, and is almost entirely sourced from groundwater requiring minimal treatment — among the least chemically treated water in Europe.
Water Source
Roughly 99% of Danish tap water comes from groundwater, naturally filtered and requiring no chlorination in most of the network, a point of national environmental pride.
Contaminants & Concerns
No significant nationwide concerns; some localized PFAS and pesticide monitoring near specific agricultural and industrial sites has led to targeted wellfield closures and treatment upgrades in past years.
Regional Variations
Uniformly excellent across Copenhagen, Aarhus, and the entire country.
Water Hardness
Hard, commonly 200–350 mg/L, due to limestone-rich groundwater geology..
Do Locals Drink Tap Water?
Yes, tap water is the strong default throughout Danish households.
Tips for Travelers
- •Copenhagen tap water is safe and requires no chlorine treatment
- •No need to buy bottled water anywhere in Denmark
- •Danish water is considered a model for chemical-free groundwater treatment
Recommended Precautions
No special precautions needed for typical travelers
Cities in Denmark
Frequently Asked Questions
Sources & References
The safety rating and guidance on this page draw on the following sources. See our full methodology.
- •WHO Guidelines for Drinking-water Quality
- •CDC Travelers' Health destination pages
- •WHO/UNICEF Joint Monitoring Programme (JMP)
- •National and municipal water utility public quality reports