Tap water hardness in AG
We have published hardness data for 116 cities in AG. The median is 32.3 °fH; the hardest water is in Oeschgen (52.2 °fH), the softest in Merenschwand (11.6 °fH).
99 % of these cities have hard or very hard water (over 120 mg/L).
Cities in AG, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Oeschgen | 52.2 | 522 | very hard |
| Hellikon | 44.1 | 441 | very hard |
| Stein | 43.5 | 436 | very hard |
| Kaisten | 42.5 | 425 | very hard |
| Münchwilen | 42.3 | 423 | very hard |
| Unterlunkhofen | 41.3 | 413 | very hard |
| Frick | 41.1 | 411 | very hard |
| Zuzgen | 41 | 410 | very hard |
| Zeiningen | 40.7 | 407 | very hard |
| Stetten | 39.9 | 399 | very hard |
| Oberwil-Lieli | 39.2 | 392 | very hard |
| Dottikon | 38.5 | 385 | very hard |
| Bettwil | 38 | 380 | very hard |
| Fahrwangen | 37.7 | 377 | very hard |
| Wallbach | 37.4 | 374 | very hard |
| Gipf-Oberfrick | 37 | 370 | very hard |
| Magden | 37 | 370 | very hard |
| Seengen | 37 | 370 | very hard |
| Möriken-Wildegg | 36.9 | 369 | very hard |
| Niederlenz | 36.9 | 369 | very hard |
| Wohlenschwil | 36.7 | 367 | very hard |
| Mellingen | 36.5 | 365 | very hard |
| Dintikon | 36.4 | 364 | very hard |
| Wölflinswil | 36.4 | 364 | very hard |
| Olsberg | 36.3 | 363 | very hard |
| Schinznach | 36.3 | 363 | very hard |
| Oberentfelden | 36.2 | 362 | very hard |
| Hallwil | 36 | 360 | very hard |
| Schafisheim | 35.9 | 359 | very hard |
| Remetschwil | 35.8 | 358 | very hard |
| Wohlen | 35.6 | 356 | very hard |
| Niederrohrdorf | 35.5 | 355 | very hard |
| Zetzwil | 35.4 | 354 | very hard |
| Tägerig | 35.3 | 353 | very hard |
| Birr | 35.1 | 351 | very hard |
| Meisterschwanden | 35 | 350 | very hard |
| Spreitenbach | 35 | 350 | very hard |
| Mettauertal | 34.3 | 343 | very hard |
| Gontenschwil | 34.1 | 341 | very hard |
| Waltenschwil | 34.1 | 341 | very hard |
| Wegenstetten | 34 | 340 | very hard |
| Mägenwil | 33.9 | 339 | very hard |
| Suhr | 33.9 | 339 | very hard |
| Bözberg | 33.8 | 338 | very hard |
| Baden | 33.5 | 335 | very hard |
| Fislisbach | 33.5 | 335 | very hard |
| Rottenschwil | 33.3 | 333 | very hard |
| Lupfig | 33.1 | 331 | very hard |
| Böztal | 33 | 330 | very hard |
| Zufikon | 33 | 330 | very hard |
| Jonen | 32.9 | 329 | very hard |
| Bergdietikon | 32.8 | 328 | very hard |
| Hausen | 32.8 | 328 | very hard |
| Othmarsingen | 32.8 | 328 | very hard |
| Oberhof | 32.7 | 327 | very hard |
| Reitnau | 32.5 | 325 | very hard |
| Strengelbach | 32.3 | 323 | very hard |
| Villmergen | 32.3 | 323 | very hard |
| Oberrohrdorf | 32.3 | 323 | very hard |
| Bellikon | 32 | 320 | very hard |
| Rupperswil | 31.9 | 319 | very hard |
| Hunzenschwil | 31.7 | 317 | very hard |
| Muri | 31.7 | 317 | very hard |
| Buchs | 31.6 | 316 | very hard |
| Killwangen | 31.6 | 316 | very hard |
| Leuggern | 31.5 | 315 | very hard |
| Windisch | 31.5 | 315 | very hard |
| Hendschiken | 31.4 | 314 | very hard |
| Ehrendingen | 31.4 | 314 | very hard |
| Niederwil | 31.3 | 313 | very hard |
| Auenstein | 31.2 | 312 | very hard |
| Wittnau | 31.2 | 312 | very hard |
| Aarburg | 30.5 | 305 | very hard |
| Aarau | 30.4 | 304 | very hard |
| Moosleerau | 30.4 | 304 | very hard |
| Safenwil | 30.4 | 304 | very hard |
| Ammerswil | 30.2 | 302 | very hard |
| Lenzburg | 30.2 | 302 | very hard |
| Kirchleerau | 30.1 | 301 | very hard |
| Oftringen | 30.1 | 301 | very hard |
| Schöftland | 29.9 | 300 | very hard |
| Würenlingen | 29.9 | 299 | very hard |
| Kölliken | 29.7 | 297 | very hard |
| Zurzach | 29.6 | 296 | very hard |
| Würenlos | 29.5 | 295 | very hard |
| Klingnau | 29.2 | 292 | very hard |
| Remigen | 29 | 290 | very hard |
| Staffelbach | 29 | 290 | very hard |
| Gränichen | 28.9 | 289 | very hard |
| Brugg | 28.6 | 286 | very hard |
| Böttstein | 28.3 | 283 | very hard |
| Biberstein | 28.2 | 282 | very hard |
| Muhen | 28 | 280 | very hard |
| Brittnau | 27.8 | 278 | very hard |
| Staufen | 27.1 | 271 | very hard |
| Zofingen | 27.1 | 271 | very hard |
| Wettingen | 27 | 270 | very hard |
| Rothrist | 26.9 | 269 | very hard |
| Leibstadt | 26.9 | 269 | very hard |
| Buttwil | 26.8 | 268 | very hard |
| Rheinfelden | 26 | 260 | very hard |
| Holziken | 25.2 | 252 | very hard |
| Obersiggenthal | 25 | 250 | very hard |
| Untersiggenthal | 25 | 250 | very hard |
| Bottenwil | 24.9 | 249 | very hard |
| Möhlin | 24.3 | 243 | very hard |
| Lengnau | 23.5 | 235 | very hard |
| Unterentfelden | 23.3 | 233 | very hard |
| Mandach | 23.1 | 231 | very hard |
| Oberlunkhofen | 21.8 | 218 | very hard |
| Habsburg | 21 | 210 | very hard |
| Laufenburg | 19.8 | 198 | very hard |
| Schneisingen | 19.2 | 192 | very hard |
| Uerkheim | 18.5 | 185 | very hard |
| Vordemwald | 14.9 | 149 | hard |
| Merenschwand | 11.6 | 116 | moderately hard |