Tap water hardness in VS
We have published hardness data for 17 cities in VS. The median is 13.7 °fH; the hardest water is in Sion (25.2 °fH), the softest in Bellwald (2.4 °fH).
59 % of these cities have hard or very hard water (over 120 mg/L).
Cities in VS, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Sion | 25.2 | 252 | very hard |
| Fully | 24.2 | 242 | very hard |
| Noble-Contrée | 19.7 | 197 | very hard |
| Crans-Montana | 18.6 | 186 | very hard |
| Vétroz | 17 | 170 | hard |
| Conthey | 16.7 | 167 | hard |
| Arbaz | 15.4 | 154 | hard |
| Chamoson | 13.9 | 139 | hard |
| Visp | 13.7 | 137 | hard |
| Grône | 12.5 | 125 | hard |
| Brig-Glis | 7.2 | 72 | moderately hard |
| St. Niklaus | 6.2 | 62 | moderately hard |
| Anniviers | 6.1 | 61 | moderately hard |
| Obergoms | 5 | 50 | soft |
| Naters | 4.5 | 45 | soft |
| Bettmeralp | 4.2 | 42 | soft |
| Bellwald | 2.4 | 24 | soft |