A Comprehensive Guide for Travelers Prague boasts one of the best water supply systems in the world, ensuring residents and visitors have access to high-quality, safe drinking water straight from the tap. The city’s water sources are diverse, mainly consisting of groundwater from the Krkonoše and Jizera Mountains , along with surface water from the Vltava River. All of these sources undergo rigorous filtration, purification, and disinfection processes to meet the strict qual