Europe: clean waters score by country 2023

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Iceland has the cleanest waters across Europe, having received an index score of 86.07 points in 2023. Other European countries with scores above 80 points that year were Finland and Slovenia. Outside of Europe, Canada held a score of 88.75 points, topping the list of the cleanest waters worldwide.

Clean waters score in Europe as of 2023, by select country

Characteristic	Clean waters score out of 100
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Release date

2023

More information

Region

Europe

Survey time period

2023

Supplementary notes

The clean water index measures pollution by chemicals, excessive nutrients, human pathogens and trash in estuarine, coastal, and open ocean waters.
Clean waters target is 70 out of 100.
The source adds that the reference point is that there should be zero pollution from chemicals, nutrient, human pathogens and trash. This goal score is higher when the pollution of estuarine, coastal, and open ocean waters is minimized. The goal score is lower when there are high levels of pollutants.

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