Greece ranked among the countries with the highest drinking water quality in the world in 2026, achieving a perfect score of 100, according to international environmental performance data.
The ranking placed Greece alongside Germany, the United Kingdom, Italy, Switzerland, Finland and Ireland, all of which also recorded the maximum score for water quality. Norway followed closely with a score of 99.9, while Luxembourg and Canada achieved 99.8 and 99.7 respectively. Iceland scored 99.4 and Australia recorded 99.2.
Water quality, particularly drinking water safety, remains one of the most essential requirements for human health and environmental sustainability. Experts emphasised that water quality varies significantly between countries due to both natural conditions and human activity.
Authorities assess drinking water safety through localised testing conducted by water utilities or government agencies. In developed countries, these procedures typically ensure consistent monitoring, while testing in developing nations may occur less regularly.
Researchers frequently rely on the Environmental Performance Index (EPI), developed by Yale University, as one of the most widely recognised global benchmarks for environmental health. The index evaluates 40 performance indicators, including sanitation and drinking water, climate change mitigation, air quality, waste management, biodiversity and fisheries.
The EPI measures water quality using the “disability-adjusted life-years” (DALY) rate linked to exposure to unsafe drinking water. A score of 100 indicates the lowest risk and the cleanest water, while a score of 0 reflects the highest levels of contamination.
Greece’s inclusion among the top-ranked countries highlights the strength of its water monitoring systems and infrastructure supporting safe drinking water for residents and visitors.
greekcitytimes.com.
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