No, it's not advisable to drink the tap water.
Tap water in Havana, Cuba is not recommended for drinking due to risk of waterborne illnesses.
Water treatment infrastructure is outdated, and distribution systems are prone to contamination.
Bottled or filtered water is recommended to ensure safe and healthy drinking water.
Cuba is ranked as number 81 globally with a score of 58.8% in the water quality EPI research conducted by Yale University.
Havana's tap water primarily comes from underground aquifers, including the Cují and Víbora aquifers.
Surface water sources include the Almendares and Cojímar rivers, as well as several nearby lakes and reservoirs.
Additionally, some water is supplied from desalination plants and imported from other provinces, like Mayabeque.
Some drinking fountains in Havana are safe, but it's crucial to identify them before consumption.
Look for fountains with signs indicating "agua potable" or "agua segura," which mean safe drinking water.
If in doubt, it's best to avoid drinking from public fountains and opt for bottled or filtered water instead.
Here is a map showing all the locations of drinking water spots in Havana. You can click on each water drop to open the spot directly in Google Maps for directions.