Tap water hardness in Namur
We have published hardness data for 137 cities in Namur. The median is 32.3 °fH; the hardest water is in Temploux (42.3 °fH), the softest in Gedinne (3.4 °fH).
93 % of these cities have hard or very hard water (over 120 mg/L).
Belgian suppliers report hardness in °f (French degrees); 1 °f = 10 mg/L CaCO₃.
Cities in Namur, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Temploux | 42.3 | 423 | very hard |
| Rhisnes | 40.3 | 403 | very hard |
| Bossière | 40 | 400 | very hard |
| Mazy | 40 | 400 | very hard |
| Spy | 40 | 400 | very hard |
| Suarlée | 40 | 400 | very hard |
| Éghezée | 39.8 | 398 | very hard |
| Bonneville | 39.5 | 396 | very hard |
| Velaine | 39.1 | 391 | very hard |
| Assesse | 38.8 | 388 | very hard |
| Maillen | 38.8 | 388 | very hard |
| Tongrinne | 38.3 | 383 | very hard |
| Andenne | 38.2 | 382 | very hard |
| Seilles | 38.2 | 382 | very hard |
| Beuzet | 38.1 | 381 | very hard |
| Corroy-le-Château | 38.1 | 381 | very hard |
| Gembloux | 38.1 | 381 | very hard |
| Pondrôme | 38 | 380 | very hard |
| Jemeppe-sur-Sambre | 37.9 | 379 | very hard |
| Sclayn | 37.5 | 375 | very hard |
| Vezin | 37.5 | 375 | very hard |
| Moignelée | 37.5 | 375 | very hard |
| Natoye | 37.1 | 371 | very hard |
| Tamines | 37 | 370 | very hard |
| Namêche | 36.9 | 369 | very hard |
| Sart-Bernard | 36.9 | 369 | very hard |
| Auvelais | 36.7 | 367 | very hard |
| Marche-les-Dames | 36.5 | 365 | very hard |
| Haltinne | 36.5 | 365 | very hard |
| Aische-en-Refail | 36.1 | 362 | very hard |
| Dhuy | 36.1 | 362 | very hard |
| Ernage | 36.1 | 362 | very hard |
| Forville | 36.1 | 362 | very hard |
| Hanret | 36.1 | 362 | very hard |
| Landenne | 36.1 | 362 | very hard |
| Ligny | 36.1 | 362 | very hard |
| Meux | 36.1 | 362 | very hard |
| Noville-les-Bois | 36.1 | 362 | very hard |
| Sauvenière | 36.1 | 362 | very hard |
| Sombreffe | 36.1 | 362 | very hard |
| Waret-la-Chaussée | 36.1 | 362 | very hard |
| Han-sur-Lesse | 35.5 | 355 | very hard |
| Arsimont | 35.3 | 353 | very hard |
| Ham-sur-Sambre | 35.3 | 353 | very hard |
| Tarcienne | 35.3 | 353 | very hard |
| Naninne | 35.2 | 352 | very hard |
| Grand-Leez | 35.2 | 352 | very hard |
| Somzée | 34.9 | 349 | very hard |
| Faulx-Les Tombes | 34.8 | 348 | very hard |
| Ciney | 34.5 | 345 | very hard |
| Godinne | 34.4 | 344 | very hard |
| Biesme | 34.1 | 342 | very hard |
| Mettet | 34.1 | 342 | very hard |
| Falisolle | 34 | 340 | very hard |
| La Bruyère | 34 | 340 | very hard |
| Bioul | 33.7 | 337 | very hard |
| Saint-Gérard | 33.7 | 337 | very hard |
| Noiseux | 33.6 | 336 | very hard |
| Champion | 33.5 | 335 | very hard |
| Émines | 33.5 | 335 | very hard |
| Gelbressée | 33.5 | 335 | very hard |
| Saint-Marc | 33.5 | 335 | very hard |
| Vedrin | 33.5 | 335 | very hard |
| Laneffe | 33.2 | 332 | very hard |
| Achêne | 32.8 | 328 | very hard |
| Gesves | 32.6 | 326 | very hard |
| Ohey | 32.6 | 326 | very hard |
| Hanzinelle | 32.5 | 325 | very hard |
| Le Roux | 32.3 | 323 | very hard |
| Vitrival | 32.3 | 323 | very hard |
| Yvoir | 32.3 | 323 | very hard |
| Fosses-la-Ville | 31.9 | 319 | very hard |
| Sart-Saint-Laurent | 31.9 | 319 | very hard |
| Loyers | 31.6 | 316 | very hard |
| Morialmé | 31.6 | 316 | very hard |
| Wierde | 31.6 | 316 | very hard |
| Fraire | 31.1 | 311 | very hard |
| Thy-le-Château | 31.1 | 311 | very hard |
| Yves-Gomezée | 31.1 | 311 | very hard |
| Beez | 30.9 | 309 | very hard |
| Walcourt | 30.9 | 309 | very hard |
| Dave | 30.8 | 308 | very hard |
| Wépion | 30.8 | 308 | very hard |
| Mornimont | 30.4 | 304 | very hard |
| Moustier-sur-Sambre | 30.4 | 304 | very hard |
| Haillot | 30.1 | 302 | very hard |
| Lustin | 29.8 | 298 | very hard |
| Beauraing | 29.3 | 293 | very hard |
| Bouge | 28.6 | 286 | very hard |
| Erpent | 28.6 | 286 | very hard |
| Hastière-Lavaux | 28.6 | 286 | very hard |
| Onhaye | 28.6 | 286 | very hard |
| Soye | 28.5 | 285 | very hard |
| Schaltin | 28.4 | 285 | very hard |
| Anseremme | 27.9 | 279 | very hard |
| Wavreille | 27.4 | 274 | very hard |
| Buissonville | 27.3 | 273 | very hard |
| Havelange | 26.9 | 269 | very hard |
| Jemelle | 26.7 | 267 | very hard |
| Rochefort | 26.7 | 267 | very hard |
| Leignon | 26.4 | 265 | very hard |
| Courrière | 26.4 | 264 | very hard |
| Houyet | 26.3 | 263 | very hard |
| Jambes | 26.3 | 263 | very hard |
| Lesve | 26.1 | 261 | very hard |
| Evrehailles | 25.8 | 258 | very hard |
| Flawinne | 25.5 | 255 | very hard |
| Somme-Leuze | 25.3 | 253 | very hard |
| Malonne | 24.7 | 247 | very hard |
| Namur | 24.7 | 247 | very hard |
| Saint-Servais | 24.7 | 247 | very hard |
| Anhée | 24.3 | 243 | very hard |
| Durnal | 23.8 | 238 | very hard |
| Nismes | 23.6 | 236 | very hard |
| Bois-de-Villers | 23.5 | 235 | very hard |
| Hamois | 23.3 | 233 | very hard |
| Mariembourg | 23 | 230 | very hard |
| Belgrade | 22 | 220 | very hard |
| Floreffe | 21.8 | 218 | very hard |
| Philippeville | 21.7 | 217 | very hard |
| Agimont | 21.6 | 216 | very hard |
| Floriffoux | 21.3 | 213 | very hard |
| Franière | 21.3 | 213 | very hard |
| Florennes | 20.5 | 205 | very hard |
| Dinant | 20 | 200 | very hard |
| Profondeville | 18.9 | 189 | very hard |
| Winenne | 18.8 | 188 | very hard |
| Serinchamps | 15.1 | 151 | hard |
| Cerfontaine | 9.9 | 100 | moderately hard |
| Couvin | 9.9 | 100 | moderately hard |
| Cul-des-Sarts | 9.9 | 100 | moderately hard |
| Frasnes | 9.9 | 100 | moderately hard |
| Neuville | 9.9 | 100 | moderately hard |
| Petigny | 9.9 | 100 | moderately hard |
| Doische | 9.7 | 97 | moderately hard |
| Bièvre | 8.8 | 89 | moderately hard |
| Gedinne | 3.4 | 34 | soft |