Tap water hardness in Bayern
We have published hardness data for 137 cities in Bayern. The median is 15.8 °dH; the hardest water is in Würzburg (40.4 °dH), the softest in Karlsfeld (2.6 °dH).
91 % of these cities have hard or very hard water (over 120 mg/L).
German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
Cities in Bayern, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Würzburg | 40.4 | 721 | very hard |
| Gerbrunn | 38.6 | 689 | very hard |
| Veitshöchheim | 25.2 | 450 | very hard |
| Uffenheim | 24.2 | 432 | very hard |
| Tuntenhausen | 23.9 | 427 | very hard |
| Höchstädt an der Donau | 21.8 | 389 | very hard |
| Töging am Inn | 21.8 | 389 | very hard |
| Straubing | 21.7 | 387 | very hard |
| Bernau am Chiemsee | 21.5 | 384 | very hard |
| Ingolstadt | 20.8 | 371 | very hard |
| Landsberg am Lech | 20.7 | 370 | very hard |
| Forchheim | 20.6 | 368 | very hard |
| Kaufbeuren | 20.6 | 368 | very hard |
| Memmingen | 20.5 | 366 | very hard |
| Bruckmühl | 20.2 | 361 | very hard |
| Landshut | 20.2 | 361 | very hard |
| Rosenheim | 20.2 | 361 | very hard |
| Hollfeld | 20.1 | 359 | very hard |
| Gauting | 20 | 357 | very hard |
| Planegg | 20 | 357 | very hard |
| Langenzenn | 19.8 | 354 | very hard |
| Germering | 19.8 | 353 | very hard |
| Ainring | 19.7 | 352 | very hard |
| Grünwald | 19.6 | 350 | very hard |
| Neuburg an der Donau | 19.6 | 350 | very hard |
| Großkarolinenfeld | 19.5 | 348 | very hard |
| Markt Erlbach | 19.5 | 348 | very hard |
| Berching | 19.4 | 346 | very hard |
| Freising | 19.4 | 346 | very hard |
| Kiefersfelden | 19.3 | 345 | very hard |
| Penzberg | 19.2 | 343 | very hard |
| Abensberg | 19.1 | 341 | very hard |
| Obergünzburg | 19.1 | 341 | very hard |
| Marktoberdorf | 19 | 340 | very hard |
| Bad Staffelstein | 19 | 339 | very hard |
| Zirndorf | 19 | 338 | very hard |
| Riedering | 18.8 | 336 | very hard |
| Wertingen | 18.7 | 334 | very hard |
| Dingolfing | 18.6 | 332 | very hard |
| Wolnzach | 18.6 | 332 | very hard |
| Zeil am Main | 18.6 | 332 | very hard |
| Ebermannstadt | 18.6 | 332 | very hard |
| Höhenkirchen-Siegertsbrunn | 18.4 | 328 | very hard |
| Sauerlach | 18.3 | 327 | very hard |
| Nersingen | 18.1 | 323 | very hard |
| Cadolzburg | 18 | 321 | very hard |
| Markt Schwaben | 18 | 321 | very hard |
| Moosburg an der Isar | 18 | 321 | very hard |
| Bamberg | 17.9 | 320 | very hard |
| Stegaurach | 17.8 | 318 | very hard |
| Günzburg | 17.7 | 316 | very hard |
| Ottobeuren | 17.7 | 316 | very hard |
| Manching | 17.5 | 312 | very hard |
| Ottobrunn bei München | 17.5 | 312 | very hard |
| Altusried | 17.3 | 309 | very hard |
| Donauwörth | 17.3 | 309 | very hard |
| Prien am Chiemsee | 17.2 | 307 | very hard |
| Kelheim | 17.1 | 305 | very hard |
| Geltendorf | 17.1 | 305 | very hard |
| Regensburg | 16.9 | 302 | very hard |
| Weißenhorn | 16.7 | 298 | very hard |
| Burgebrach | 16.5 | 295 | very hard |
| Haag in Oberbayern | 16.5 | 295 | very hard |
| Jettingen-Scheppach | 16.5 | 295 | very hard |
| Grasbrunn | 16.3 | 290 | very hard |
| Gangkofen | 16.2 | 289 | very hard |
| Grassau | 16.1 | 288 | very hard |
| Unterhaching | 16.1 | 287 | very hard |
| Munich | 15.8 | 282 | very hard |
| Windsbach | 15.8 | 282 | very hard |
| Neu-Ulm | 15.7 | 280 | very hard |
| Roßtal | 15.7 | 280 | very hard |
| Neuötting | 15.5 | 277 | very hard |
| Oberasbach | 15.4 | 275 | very hard |
| Erding | 15.3 | 273 | very hard |
| Höchstadt an der Aisch | 15 | 268 | very hard |
| Fürth | 15 | 267 | very hard |
| Eggenfelden | 14.7 | 262 | very hard |
| Teublitz | 14.6 | 261 | very hard |
| Weisendorf | 14.5 | 258 | very hard |
| Trostberg an der Alz | 14.4 | 257 | very hard |
| Illertissen | 14.2 | 254 | very hard |
| Oberammergau | 14.1 | 252 | very hard |
| Neusäß | 13.7 | 245 | very hard |
| Georgensgmünd | 13.7 | 245 | very hard |
| Buttenwiesen | 13.7 | 244 | very hard |
| Augsburg | 13.2 | 236 | very hard |
| Neunkirchen am Brand | 13 | 232 | very hard |
| Petershausen | 13 | 232 | very hard |
| Eichenau | 12.8 | 229 | very hard |
| Friedberg (Bayern) | 12.8 | 229 | very hard |
| Olching | 12.8 | 229 | very hard |
| Nabburg | 12.6 | 225 | very hard |
| Aschaffenburg | 12.4 | 221 | very hard |
| Bindlach | 12.4 | 221 | very hard |
| Gröbenzell | 12.4 | 221 | very hard |
| Bad Reichenhall | 12.2 | 218 | very hard |
| Obernburg am Main | 12.2 | 218 | very hard |
| Nuremberg | 12.1 | 215 | very hard |
| Erlangen | 11.9 | 212 | very hard |
| Oberstaufen | 11.7 | 208 | very hard |
| Füssen | 11.5 | 205 | very hard |
| Coburg | 11.4 | 204 | very hard |
| Simbach am Inn | 11 | 196 | very hard |
| Garmisch-Partenkirchen | 10.7 | 191 | very hard |
| Dachau | 10.7 | 190 | very hard |
| Adelsdorf | 10.6 | 189 | very hard |
| Grafenwöhr | 10.6 | 189 | very hard |
| Passau | 10.2 | 182 | very hard |
| Oberstdorf | 9.8 | 175 | hard |
| Lichtenfels | 9.4 | 168 | hard |
| Heroldsberg | 9.4 | 168 | hard |
| Meitingen | 9 | 161 | hard |
| Reichertshofen | 8.8 | 157 | hard |
| Pfreimd | 8.7 | 155 | hard |
| Weiden in der Oberpfalz | 8.6 | 154 | hard |
| Kulmbach | 8.1 | 145 | hard |
| Kleinwallstadt | 8 | 143 | hard |
| Cham | 7.9 | 141 | hard |
| Oberkotzau | 7.7 | 138 | hard |
| Altötting | 7.7 | 137 | hard |
| Bad Brückenau | 7.4 | 132 | hard |
| Elsenfeld | 6.9 | 123 | hard |
| Hahnbach | 6.8 | 121 | hard |
| Mitterteich | 6.7 | 120 | moderately hard |
| Schwarzenbruck | 6.6 | 118 | moderately hard |
| Postbauer-Heng | 6.4 | 114 | moderately hard |
| Rehau | 6.1 | 110 | moderately hard |
| Wunsiedel | 6.1 | 109 | moderately hard |
| Memmelsdorf | 6 | 107 | moderately hard |
| Schwarzenfeld | 5.9 | 105 | moderately hard |
| Bayreuth | 5.5 | 98 | moderately hard |
| Speichersdorf | 5.2 | 93 | moderately hard |
| Wegscheid | 4.6 | 82 | moderately hard |
| Hirschau | 4.5 | 80 | moderately hard |
| Deggendorf | 3.7 | 65 | moderately hard |
| Karlsfeld | 2.6 | 46 | soft |