Tap water hardness in BE
We have published hardness data for 83 cities in BE. The median is 23 °fH; the hardest water is in Diemtigen (37.1 °fH), the softest in Rütschelen (2.6 °fH).
94 % of these cities have hard or very hard water (over 120 mg/L).
Cities in BE, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Diemtigen | 37.1 | 371 | very hard |
| Kirchdorf | 37 | 370 | very hard |
| Toffen | 35 | 350 | very hard |
| Büren an der Aare | 33.1 | 331 | very hard |
| Wangen an der Aare | 33 | 331 | very hard |
| Wynau | 32.5 | 325 | very hard |
| Roggwil | 32.4 | 324 | very hard |
| Bannwil | 32.3 | 323 | very hard |
| Ochlenberg | 32.3 | 323 | very hard |
| Schwarzhäusern | 32.3 | 323 | very hard |
| Thörigen | 32.3 | 323 | very hard |
| Riggisberg | 32.1 | 321 | very hard |
| Langenthal | 31.3 | 313 | very hard |
| Aarwangen | 30.9 | 309 | very hard |
| Trachselwald | 30.9 | 309 | very hard |
| Biglen | 30.8 | 308 | very hard |
| Arch | 30.7 | 307 | very hard |
| Hilterfingen | 30.6 | 306 | very hard |
| Laupen | 30.1 | 301 | very hard |
| Seedorf | 29.3 | 293 | very hard |
| Tschugg | 29 | 290 | very hard |
| Schüpfen | 27.9 | 279 | very hard |
| Steffisburg | 27.3 | 273 | very hard |
| Herzogenbuchsee | 27.2 | 272 | very hard |
| Belp | 27.2 | 272 | very hard |
| Lengnau | 27.1 | 271 | very hard |
| Oberdiessbach | 27 | 270 | very hard |
| Oberbipp | 26.9 | 269 | very hard |
| Wiedlisbach | 26 | 260 | very hard |
| Wiler bei Utzenstorf | 25.7 | 257 | very hard |
| Zielebach | 25.7 | 257 | very hard |
| Meikirch | 25 | 250 | very hard |
| Wohlen bei Bern | 25 | 250 | very hard |
| Ins | 24.5 | 245 | very hard |
| Gsteig | 24.2 | 242 | very hard |
| Burgdorf | 24.1 | 241 | very hard |
| Erlach | 24 | 240 | very hard |
| Gals | 24 | 240 | very hard |
| Neuenegg | 23.9 | 239 | very hard |
| Rapperswil | 23.8 | 238 | very hard |
| Thun | 23 | 230 | very hard |
| Oberhofen am Thunersee | 23 | 230 | very hard |
| Münchenbuchsee | 22.9 | 229 | very hard |
| Worben | 22.8 | 228 | very hard |
| Lyss | 22.5 | 225 | very hard |
| Spiez | 22 | 220 | very hard |
| Eriz | 21.9 | 219 | very hard |
| Boltigen | 21.7 | 217 | very hard |
| Bern | 21 | 210 | very hard |
| Ostermundigen | 21 | 210 | very hard |
| Stettlen | 21 | 210 | very hard |
| Urtenen-Schönbühl | 21 | 210 | very hard |
| Grindelwald | 20.8 | 208 | very hard |
| Aarberg | 20.8 | 208 | very hard |
| Köniz | 20.7 | 207 | very hard |
| Mattstetten | 20.5 | 205 | very hard |
| Bönigen | 20.4 | 204 | very hard |
| Ittigen | 20.4 | 204 | very hard |
| Vechigen | 19.8 | 198 | very hard |
| Heimberg | 19.6 | 196 | very hard |
| Interlaken | 19.6 | 196 | very hard |
| Rubigen | 18.9 | 190 | very hard |
| Allmendingen | 18.6 | 186 | very hard |
| Worb | 18.6 | 186 | very hard |
| Amsoldingen | 17.5 | 175 | hard |
| Muri bei Bern | 17 | 170 | hard |
| Sigriswil | 17 | 170 | hard |
| Evilard/Leubringen | 16.9 | 170 | hard |
| Brienz | 16.2 | 162 | hard |
| Adelboden | 16 | 160 | hard |
| Hasliberg | 15.7 | 157 | hard |
| Beatenberg | 15 | 150 | hard |
| Oberlangenegg | 14.6 | 146 | hard |
| Röthenbach im Emmental | 14.6 | 146 | hard |
| Unterlangenegg | 14.6 | 146 | hard |
| Reichenbach im Kandertal | 14 | 140 | hard |
| Meiringen | 12.5 | 125 | hard |
| Lauterbrunnen | 12.3 | 123 | hard |
| Biel/Bienne | 11.7 | 117 | moderately hard |
| Nidau | 11.6 | 116 | moderately hard |
| Kandersteg | 9.7 | 97 | moderately hard |
| Orvin | 2.9 | 29 | soft |
| Rütschelen | 2.6 | 26 | soft |