Is Tap Water Safe to Drink in Portugal?
Yes, tap water in Portugal is safe to drink throughout the country, including Lisbon, Porto, and the Algarve, and meets EU drinking water standards.
Water Source
Water is supplied by regional utilities (like EPAL in Lisbon) from a mix of reservoirs, rivers, and groundwater, treated to EU Drinking Water Directive standards.
Contaminants & Concerns
No significant contaminant concerns. Some travelers report a mild chlorine taste, especially in summer months when treatment levels increase.
Regional Variations
Safe in Lisbon, Porto, the Algarve, and Madeira. Some very rural mountain villages in the interior rely on untested local springs — ask locally if unsure.
Water Hardness
Moderate, roughly 100–200 mg/L, varying by region and reservoir source..
Do Locals Drink Tap Water?
Yes, most Portuguese households and restaurants use tap water directly.
Tips for Travelers
- •Lisbon's tap water regularly wins international taste awards
- •Bottled water is inexpensive and widely available if you prefer it
- •Carry a reusable bottle — refill points are common in cities
Recommended Precautions
Ask locally before drinking from untested rural mountain springs
Cities in Portugal
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