Tap water hardness in Oberösterreich
We have published hardness data for 10 cities in Oberösterreich. The median is 14.5 °dH; the hardest water is in Ried im Innkreis (15.8 °dH), the softest in Freistadt (4.1 °dH).
90 % of these cities have hard or very hard water (over 120 mg/L).
Cities in Oberösterreich, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Ried im Innkreis | 15.8 | 283 | very hard |
| Linz | 15.4 | 275 | very hard |
| Bad Ischl | 15 | 268 | very hard |
| Leonding | 14.7 | 262 | very hard |
| Ansfelden | 14.5 | 259 | very hard |
| Haid | 14.5 | 259 | very hard |
| Mattighofen | 13.3 | 237 | very hard |
| Perg | 12.4 | 221 | very hard |
| Gallneukirchen | 11.8 | 211 | very hard |
| Freistadt | 4.1 | 73 | moderately hard |