Can You Drink Tap Water in Cartagena?

Tap water in Cartagena is not safe to drink and this applies throughout the entire city — the UNESCO World Heritage walled Old City (Ciudad Amurallada), the tourist hotel zones of Bocagrande and Castillogrande on the peninsula, the historic neighbourhood of Getsemaní, and the outer residential districts of El Cabrero and Manga. Water supply in Cartagena is managed by Aguas de Cartagena (Acuacar), a public-private partnership between the District of Cartagena and Aguas de Barcelona, which draws primarily from the Canal del Dique — a navigation channel that connects the Magdalena River to the Bay of Cartagena. The Magdalena River is Colombia's primary river system, carrying a significant pollution load from agricultural, mining, and domestic sources along its 1,500-kilometre course through the Colombian interior. Aguas de Cartagena treats this water at its treatment plants before distribution, and the water meets Colombian national drinking water standards (Resolución 2115 of 2007) at the point of leaving the treatment facilities.

The distribution infrastructure is the critical issue. Cartagena's pipe network serves a rapidly growing city of approximately 1.1 million people in a challenging Caribbean coastal environment of extreme heat and humidity. Much of the infrastructure in the Old City and older residential districts is aging, and pipe maintenance in a UNESCO World Heritage zone presents ongoing challenges. The tropical climate — with year-round temperatures between 28°C and 35°C — accelerates bacterial regrowth in distribution pipes and building water tanks, compounding the treatment plant quality between source and tap. The result is that tap water quality at the point of consumption in Cartagena is unreliable, and neither residents nor visitors drink directly from the tap at any accommodation type in the city.

Hotels throughout Cartagena — from budget guesthouses in Getsemaní to boutique hotels in the Old City’s restored colonial mansions along Calle San Pedro, Calle del Curato, and the Plaza de Santo Domingo, to the large resort hotels along Bocagrande and Castillogrande — all provide sealed bottled water for guests and use purified water for food preparation, ice, and beverages. No Cartagena hotel or restaurant of any category presents tap water as a drinking option. The city’s thriving restaurant scene — centred on the Old City plazas and increasingly in the creative Getsemaní neighbourhood — uses purified water throughout.

For visitors to Cartagena’s most celebrated sites — the imposing Castillo de San Felipe de Barajas fortress, the vibrant Plaza de los Coches and Plaza de la Aduana, the Palacio de la Inquisición, the Gold Museum, and the city’s extraordinary colonial churches — carrying sealed bottled water for all outdoor activity is essential. Cartagena’s Caribbean heat and humidity produce significant dehydration risk, particularly during the dry season (December–April) when temperatures and direct sun are at their highest. Cristal and Brisa bottles are available at tiendas throughout all Old City streets.

For day trips from Cartagena to the Islas del Rosario coral archipelago, the Playa Blanca beach on Isla Barú, the Mud Volcano (Volcán del Totumo), or the colonial fortress town of Mompox, the same water safety approach applies throughout Colombia’s Caribbean coast and interior. On boat excursions to the Islas del Rosario, carry sufficient sealed bottled water for the full-day trip as water availability on the islands is limited. Sealed bottled Cristal or Brisa is the safest water source throughout any Colombian coastal itinerary.