Water hardness in Austria
159 cities with published hardness data, sorted by population. Median: 14 °dH.
Median
14 °dH
250 mg/L CaCO₃ · very hard
- 5 moderately hard
- 10 hard
- 144 very hard
Water hardness by postcode in Austria
Ranking of the hardest and softest water in Austria →
Regions
- Burgenland72 · 11.6 °dH
- Kärnten4 · 11.5 °dH
- Niederösterreich46 · 15.5 °dH
- Oberösterreich10 · 14.5 °dH
- Salzburg4 · 10.8 °dH
- Steiermark8 · 13.6 °dH
- Tirol7 · 9 °dH
- Vorarlberg7 · 13.4 °dH
Largest places, hardest first
Every place is listed on its region page.
| °dH | mg/L | ||
|---|---|---|---|
| Perchtoldsdorf · Niederösterreich | 25.9 | 462 | very hard |
| Hollabrunn · Niederösterreich | 24.6 | 439 | very hard |
| Sankt Valentin · Niederösterreich | 21.3 | 380 | very hard |
| Seiersberg-Pirka · Steiermark | 19.4 | 346 | very hard |
| Mödling · Niederösterreich | 19.1 | 341 | very hard |
| Schwechat · Niederösterreich | 18.8 | 336 | very hard |
| Klagenfurt · Kärnten | 18.5 | 330 | very hard |
| Wiener Neustadt · Niederösterreich | 17 | 304 | very hard |
| Graz · Steiermark | 16.2 | 289 | very hard |
| Ried im Innkreis · Oberösterreich | 15.8 | 283 | very hard |
| Feldkirch · Vorarlberg | 15.6 | 279 | very hard |
| Linz · Oberösterreich | 15.4 | 275 | very hard |
| Frastanz · Vorarlberg | 15.4 | 275 | very hard |
| Ternitz · Niederösterreich | 15.2 | 272 | very hard |
| Brunn am Gebirge · Niederösterreich | 15.2 | 271 | very hard |
| Bad Ischl · Oberösterreich | 15 | 268 | very hard |
| Leonding · Oberösterreich | 14.7 | 262 | very hard |
| Haid · Oberösterreich | 14.5 | 259 | very hard |
| Ansfelden · Oberösterreich | 14.5 | 259 | very hard |
| Wolfurt · Vorarlberg | 14.3 | 255 | very hard |
| Gleisdorf · Steiermark | 14.2 | 254 | very hard |
| Gänserndorf · Niederösterreich | 14.2 | 254 | very hard |
| St. Pölten · Niederösterreich | 14.1 | 252 | very hard |
| Weiz · Steiermark | 13.6 | 243 | very hard |
| Kapfenberg · Steiermark | 13.5 | 241 | very hard |
| Eisenstadt · Burgenland | 13.5 | 241 | very hard |
| Hohenems · Vorarlberg | 13.4 | 239 | very hard |
| Mattighofen · Oberösterreich | 13.3 | 237 | very hard |
| Bruck an der Leitha · Niederösterreich | 13.2 | 237 | very hard |
| Baden bei Wien · Niederösterreich | 12.5 | 223 | very hard |
| Bregenz · Vorarlberg | 12.4 | 222 | very hard |
| Perg · Oberösterreich | 12.4 | 221 | very hard |
| Villach · Kärnten | 12.3 | 220 | very hard |
| Wörgl · Tirol | 12.2 | 218 | very hard |
| Salzburg · Salzburg | 12.1 | 215 | very hard |
| Wals-Siezenheim · Salzburg | 12 | 214 | very hard |
| Bruck an der Mur · Steiermark | 11.9 | 212 | very hard |
| Gallneukirchen · Oberösterreich | 11.8 | 211 | very hard |
| Lauterach · Vorarlberg | 11.6 | 207 | very hard |
| Neunkirchen · Niederösterreich | 11.1 | 198 | very hard |
| Langenzersdorf · Niederösterreich | 10.9 | 195 | very hard |
| Spittal an der Drau · Kärnten | 10.8 | 192 | very hard |
| Imst · Tirol | 10.2 | 182 | very hard |
| Trofaiach · Steiermark | 10.1 | 180 | very hard |
| Saalfelden am Steinernen Meer · Salzburg | 9.6 | 171 | hard |
| Jenbach · Tirol | 9.2 | 165 | hard |
| Tulln an der Donau · Niederösterreich | 9.2 | 164 | hard |
| Vienna · Wien | 9 | 161 | hard |
| Telfs · Tirol | 9 | 161 | hard |
| Feldkirchen in Kärnten · Kärnten | 8.6 | 154 | hard |
| Völs · Tirol | 8.3 | 148 | hard |
| Rankweil · Vorarlberg | 8 | 143 | hard |
| Innsbruck · Tirol | 7.8 | 140 | hard |
| Bischofshofen · Salzburg | 6.1 | 109 | moderately hard |
| Mürzzuschlag · Steiermark | 5.7 | 101 | moderately hard |
| Lienz · Tirol | 5.3 | 95 | moderately hard |
| Freistadt · Oberösterreich | 4.1 | 73 | moderately hard |