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Tap water quality, city by city, with real official data and tested guides to help you manage it daily.

Data from Hub'Eau (BRGM / French Ministry of Health), updated monthly.
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Water quality / Grand Est

Water quality in the Grand Est region

The Grand Est region has 10 departments. The average water hardness is 24°f with an average quality score of 6.3/10. Click on a department to see the city-by-city breakdown.

Région Grand Est

Departments by water quality

#1Meuse11 communes6.9/1028.7°fDure#2Haute-Marne6 communes6.5/1025.9°fDure#3Moselle85 communes6.5/1026°fDure#4Bas-Rhin91 communes6.5/1023.5°fModérément dure#5Vosges33 communes6.5/1011.5°fDouce#6Haut-Rhin58 communes6.3/1019.7°fModérément dure#7Aube22 communes6.1/1026.8°fDure#8Meurthe-et-Moselle68 communes6.1/1023.8°fModérément dure#9Marne24 communes5.7/1028.1°fDure#10Ardennes17 communes5.5/1025.6°fDure

Hub'Eau data (BRGM / Ministry of Health). Quality score calculated on 5 parameters: nitrates, PFAS, pH, free chlorine, turbidity.