Tap water hardness in Vorarlberg
We have published hardness data for 7 cities in Vorarlberg. The median is 13.4 °dH; the hardest water is in Feldkirch (15.6 °dH), the softest in Rankweil (8 °dH).
100 % of these cities have hard or very hard water (over 120 mg/L).
Cities in Vorarlberg, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Feldkirch | 15.6 | 279 | very hard |
| Frastanz | 15.4 | 275 | very hard |
| Wolfurt | 14.3 | 255 | very hard |
| Hohenems | 13.4 | 239 | very hard |
| Bregenz | 12.4 | 222 | very hard |
| Lauterach | 11.6 | 207 | very hard |
| Rankweil | 8 | 143 | hard |