Is Kos Town Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Tap water in Kos Town is generally safe to drink and is regulated under Greek and European Union drinking-water standards. For most visitors, it is suitable for drinking.
The taste and mineral content may differ from what you are used to, so some people prefer bottled water. Follow any local notice at your accommodation if it advises against drinking the tap water.
Last checked: 2026-10-23
Greece is ranked as number 17 globally with a score of 92% in the water quality EPI research conducted by Yale University.
Source of Water in Kos Town, Greece
Kos Townâs tap water comes mainly from groundwater pumped from wells and boreholes on Kos. These sources draw on the islandâs aquifers, which are replenished by rainfall.
The municipal water utility treats and disinfects the water before distributing it through the public network. Desalination also supplements water supplies in parts of Kos.
Kos Town Drinking Fountains
Public drinking fountains connected to the municipal supply are generally safe to use when they are clearly marked for drinking and properly maintained. The supplied water is subject to drinking-water standards.
Avoid water from ornamental fountains or taps marked non-potable. If a drinking fountain is visibly dirty, damaged, or has stagnant water, choose another source.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Kos Town. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.
Nearby Places
(20 km)About the Author
Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.
I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.
Safe, clean tap water isn't just my job, it's something I truly care about.