7: Iceland
Iceland ranks #7, known for its stunning natural water sources and excellent drinking water quality. Nearly 100% of Icelanders have access to safely managed drinking water services. The country’s tap water comes from glaciers, rivers, and geothermal springs, providing some of the cleanest and purest water available. Iceland scores a high 99.4 on the Yale Environmental Performance Index for water safety. With few pollutants and advanced filtration systems, Icelandic water remains among the safest in the world. Iceland is often ranked as a leader in water sustainability, thanks to its strict environmental policies and effective water management. The country’s residents enjoy some of the best tap water in the world, with minimal need for processing.