Explore the water quality anywhere in the world
Tap Safe
In addition to reports about water safety, we also provide reports for the water source for most cities, treatment methods, and specific tests that have been passed or failed.
Interactive World Map
Hover over area to reveal water quality
Water Quality Ranking
City Rankings
Cities with the best water in the world
Schenectady
, New York
Ibb
, YemenSaratoga Springs
, New York
Nelson BC
, CanadaNorth Vancouver
, Canada
Kaunas
, Lithuania
City Ranking
Cities with the most polluted water in the world
Vila Real
, Portugal
Lucerne
, Switzerland
Douglas
, Isle of Man
Porec
, CroatiaSaguenay
, Canada
Sunshine Coast
, Australia
Spelling error report
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