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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 / Auvergne-Rhône-Alpes

Water quality in the Auvergne-Rhône-Alpes region

The Auvergne-Rhône-Alpes region has 12 departments. The average water hardness is 17.1°f with an average quality score of 6.4/10. Click on a department to see the city-by-city breakdown.

Région Auvergne-Rhône-Alpes

Departments by water quality

#1Cantal6 communes8.3/107.6°fDouce#2Savoie45 communes7.3/1020.6°fModérément dure#3Haute-Savoie83 communes7.2/1023.6°fModérément dure#4Haute-Loire27 communes7.1/107.5°fDouce#5Isère126 communes6.5/1021.8°fModérément dure#6Loire47 communes6.3/1010.8°fDouce#7Drôme43 communes6.1/1027.3°fDure#8Puy-de-Dôme43 communes6.1/106.8°fTrès douce#9Ain74 communes6.1/1025.2°fDure#10Rhône115 communes6/1021.6°fModérément dure#11Ardèche34 communes5.2/1018.2°fModérément dure#12Allier22 communes4.9/1013.9°fDouce

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