Safe
Switzerland
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Last reviewed:
Is Tap Water Safe to Drink in Zurich?
Yes, tap water in Zurich is safe to drink and among the best in the world, sourced from Lake Zurich, springs, and groundwater with minimal treatment needed.
Hardness
Moderate
Country
Switzerland
Rating
Safe
Soft
Moderate
Hard
Very Hard
Water Source
Wasserversorgung Zürich (WVZ) blends water from Lake Zurich (about 70%), local springs, and groundwater wells. Most of the supply requires no chlorination, relying instead on natural filtration and UV treatment.
Contaminants & Concerns
No significant health concerns. Zurich’s water undergoes over 120,000 quality tests per year and consistently exceeds Swiss and EU standards.
Tips
- •Over 1,200 public fountains throughout Zurich provide drinkable water unless explicitly marked "kein Trinkwasser"
- •No need to buy bottled water — Swiss tap water often exceeds bottled water quality
- •Zurich’s famous ornamental fountains double as safe drinking water sources
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
- •The municipal water utility's published quality data