Drinking water quality, North Rhine-Westphalia

3 3 of 4 cities checked are above our 0.5 ng/L benchmark (PFAS-4). Highest: Münster, 10 ng/L.

Above our benchmark, ranked by PFAS-4

Other covered cities

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This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.