Is Tap Water Safe to Drink in San Marino?
Yes, tap water in San Marino is safe to drink. The world's oldest republic sources its water from local wells and Italian infrastructure, meeting EU-equivalent quality standards.
Water Source
San Marino draws its drinking water from local groundwater wells on and around Monte Titano, supplemented by supply from the Italian regional utility (Romagna Acque). Water is treated by the Azienda Autonoma di Stato per i Servizi Pubblici (AASS) at modern facilities.
Contaminants & Concerns
No significant contaminant concerns. AASS monitors water quality in compliance with standards equivalent to the EU Drinking Water Directive, testing for microbiological, chemical, and physical parameters.
Regional Variations
San Marino covers just 61 km² with nine castelli (municipalities), and water quality is uniform throughout — from the historic center of Città di San Marino to Borgo Maggiore, Serravalle, and all outlying areas.
Water Hardness
Moderate to hard, approximately 200–350 mg/L, reflecting the calcareous geology of the Apennine foothills and the Italian supply blend..
Do Locals Drink Tap Water?
Yes, Sammarinese residents drink tap water regularly, as it is reliable and well-maintained.
Tips for Travelers
- •Tap water at hotels and restaurants is safe throughout the republic
- •Carry a reusable bottle when visiting the hilltop historic center — there are fewer shops at the top
- •San Marino's water quality is functionally identical to neighboring Italian Emilia-Romagna
Recommended Precautions
No special precautions needed
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