Tap water hardness in BL
We have published hardness data for 30 cities in BL. The median is 29 °fH; the hardest water is in Giebenach (48.2 °fH), the softest in Binningen (20 °fH).
100 % of these cities have hard or very hard water (over 120 mg/L).
Cities in BL, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Giebenach | 48.2 | 482 | very hard |
| Buus | 48 | 480 | very hard |
| Schönenbuch | 42.7 | 427 | very hard |
| Lausen | 41.3 | 413 | very hard |
| Diegten | 40.2 | 402 | very hard |
| Läufelfingen | 39 | 390 | very hard |
| Gelterkinden | 38.6 | 386 | very hard |
| Diepflingen | 38 | 380 | very hard |
| Liestal | 35.3 | 353 | very hard |
| Ormalingen | 34.1 | 341 | very hard |
| Sissach | 33.9 | 339 | very hard |
| Seltisberg | 32.6 | 326 | very hard |
| Füllinsdorf | 31.4 | 314 | very hard |
| Röschenz | 30.1 | 301 | very hard |
| Bennwil | 29.4 | 294 | very hard |
| Liesberg | 28.6 | 286 | very hard |
| Arlesheim | 27.9 | 279 | very hard |
| Münchenstein | 27.8 | 278 | very hard |
| Rothenfluh | 27.6 | 277 | very hard |
| Frenkendorf | 26.7 | 267 | very hard |
| Grellingen | 26.6 | 266 | very hard |
| Birsfelden | 26.5 | 265 | very hard |
| Laufen | 26.4 | 264 | very hard |
| Zwingen | 25.8 | 258 | very hard |
| Reinach | 25.4 | 255 | very hard |
| Lupsingen | 25 | 250 | very hard |
| Arisdorf | 23.6 | 236 | very hard |
| Muttenz | 22.5 | 225 | very hard |
| Liedertswil | 20.8 | 208 | very hard |
| Binningen | 20 | 200 | very hard |