South America · Last reviewed 2026-04-29
Tap water in Bogotá and Medellín is treated and considered safe — Cartagena, Santa Marta, and the Caribbean coast: bottled is the safer choice.
At a glance
Drink tap water
In cities
Brush teeth
In cities
Ice in drinks
In cities
In more detail
Regional variation
Bogotá's tap is famously good; Cartagena's is not — stick to bottled on the coast.
Practical advice
In Colombia, buy sealed bottled water from supermarkets, hotels, or established shops. Check the seal is intact before drinking — refilled bottles are sold in some markets.
A filter bottle (LifeStraw, Grayl, Sawyer) covers any tap source and saves money and plastic on longer trips. UV pens (SteriPEN) also work for clear water.
A full rolling boil for at least one minute kills bacteria, viruses, and protozoa. This is the cheapest and most reliable treatment if your accommodation has a kettle.
Reputable city restaurants typically use filtered ice and washed produce, but ask if uncertain — particularly at street stalls.
Traveller's diarrhoea is usually short and self-limiting. Oral rehydration salts (ORS) are widely available — keep sipping fluids. See a doctor if symptoms persist beyond 48 hours, you have a fever, or you see blood.
FAQ
Sources
Disclaimer: This is general traveller guidance for Colombia, not medical advice. Conditions change after infrastructure incidents or boil-water notices — always check official sources before drinking. Last reviewed 2026-04-29.
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