Tap water hardness in Rhône
We have published hardness data for 231 cities in Rhône. The median is 22.4 °fH; the hardest water is in Cogny (31.4 °fH), the softest in Poule-les-Écharmeaux (1.7 °fH).
95 % of these cities have hard or very hard water (over 120 mg/L).
Largest places, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Villefranche-sur-Saône | 31.4 | 314 | very hard |
| Gleizé | 31.4 | 314 | very hard |
| Limas | 31.4 | 314 | very hard |
| Cogny | 31.4 | 314 | very hard |
| Fleurie | 30.8 | 308 | very hard |
| Porte des Pierres Dorées | 30.4 | 304 | very hard |
| Arnas | 30 | 300 | very hard |
| Denicé | 29.9 | 299 | very hard |
| Chaponnay | 29.7 | 297 | very hard |
| Marennes | 29.2 | 292 | very hard |
| Messimy | 28.8 | 288 | very hard |
| Marcy-l'Étoile | 28.7 | 287 | very hard |
| Saint-Georges-de-Reneins | 28.6 | 286 | very hard |
| Saint-Étienne-des-Oullières | 28.6 | 286 | very hard |
| Blacé | 28.6 | 286 | very hard |
| Le Perréon | 28.6 | 286 | very hard |
| Charentay | 28.6 | 286 | very hard |
| Vaux-en-Beaujolais | 28.6 | 286 | very hard |
| Anse | 27.3 | 273 | very hard |
| Sainte-Colombe | 26.5 | 265 | very hard |
| Theizé | 25.6 | 256 | very hard |
| Grandris | 25.6 | 256 | very hard |
| Lamure-sur-Azergues | 25.6 | 256 | very hard |
| Lucenay | 25.5 | 255 | very hard |
| La Tour-de-Salvagny | 25.4 | 254 | very hard |
| Quincieux | 25.4 | 254 | very hard |
| Lissieu | 25.4 | 254 | very hard |
| Chessy | 25.3 | 253 | very hard |
| Saint-Symphorien-d'Ozon | 25.1 | 251 | very hard |
| Ternay | 25.1 | 251 | very hard |
| Communay | 25.1 | 251 | very hard |
| Sérézin-du-Rhône | 25.1 | 251 | very hard |
| Saint-Romain-en-Gal | 25.1 | 251 | very hard |
| Simandres | 25.1 | 251 | very hard |
| Givors | 24.9 | 249 | very hard |
| Grigny-sur-Rhône | 24.9 | 249 | very hard |
| Solaize | 24.9 | 249 | very hard |
| Ampuis | 24.3 | 243 | very hard |
| Loire-sur-Rhône | 24.3 | 243 | very hard |
| Saint-Cyr-sur-le-Rhône | 24.3 | 243 | very hard |
| Chabanière | 23.6 | 236 | very hard |
| Saint-Martin-en-Haut | 23.6 | 236 | very hard |
| Saint-Symphorien-sur-Coise | 23.6 | 236 | very hard |
| Thurins | 23.6 | 236 | very hard |
| Larajasse | 23.6 | 236 | very hard |
| Saint-Laurent-de-Chamousset | 23.6 | 236 | very hard |
| Échalas | 23.6 | 236 | very hard |
| Haute-Rivoire | 23.6 | 236 | very hard |
| Montrottier | 23.6 | 236 | very hard |
| Brussieu | 23.6 | 236 | very hard |
| Sainte-Foy-l'Argentière | 23.6 | 236 | very hard |
| Pomeys | 23.6 | 236 | very hard |
| Aveize | 23.6 | 236 | very hard |
| Saint-Genis-l'Argentière | 23.6 | 236 | very hard |
| Bessenay | 23.4 | 234 | very hard |
| Villié-Morgon | 23.4 | 234 | very hard |
| Condrieu | 23.2 | 232 | very hard |
| Sain-Bel | 23.1 | 231 | very hard |
| Savigny | 23.1 | 231 | very hard |
| Beauvallon | 22.4 | 224 | very hard |
| Rontalon | 22.4 | 224 | very hard |
| Chaussan | 22.4 | 224 | very hard |
| Mornant | 21.1 | 211 | very hard |
| Millery | 21.1 | 211 | very hard |
| Vourles | 21.1 | 211 | very hard |
| Montagny | 21.1 | 211 | very hard |
| Taluyers | 21.1 | 211 | very hard |
| Orliénas | 21.1 | 211 | very hard |
| Saint-Laurent-d'Agny | 21.1 | 211 | very hard |
| Colombier-Saugnieu | 20.5 | 205 | very hard |
| Saint-Priest | 20.4 | 204 | very hard |
| Mions | 20.4 | 204 | very hard |
| Corbas | 20.4 | 204 | very hard |
| Feyzin | 20.4 | 204 | very hard |
| Charly | 20.3 | 203 | very hard |
| Lyon | 19.3 | 193 | very hard |
| Villeurbanne | 19.3 | 193 | very hard |
| Vénissieux | 19.3 | 193 | very hard |
| Vaulx-en-Velin | 19.3 | 193 | very hard |
| Caluire-et-Cuire | 19.3 | 193 | very hard |
| Bron | 19.3 | 193 | very hard |
| Rillieux-la-Pape | 19.3 | 193 | very hard |
| Décines-Charpieu | 19.3 | 193 | very hard |
| Oullins-Pierre-Bénite | 19.3 | 193 | very hard |
| Tassin-la-Demi-Lune | 19.3 | 193 | very hard |
| Sainte-Foy-lès-Lyon | 19.3 | 193 | very hard |
| Saint-Genis-Laval | 19.3 | 193 | very hard |
| Saint-Fons | 19.3 | 193 | very hard |
| Écully | 19.3 | 193 | very hard |
| Francheville | 19.3 | 193 | very hard |
| Craponne | 19.3 | 193 | very hard |
| Dardilly | 19.3 | 193 | very hard |
| Irigny | 19.3 | 193 | very hard |
| Fontaines-sur-Saône | 19.3 | 193 | very hard |
| Saint-Didier-au-Mont-d'Or | 19.3 | 193 | very hard |
| La Mulatière | 19.3 | 193 | very hard |
| Sathonay-Camp | 19.3 | 193 | very hard |
| Champagne-au-Mont-d'Or | 19.3 | 193 | very hard |
| Saint-Cyr-au-Mont-d'Or | 19.3 | 193 | very hard |
| Charbonnières-les-Bains | 19.3 | 193 | very hard |
| Saint-Genis-les-Ollières | 19.3 | 193 | very hard |
| Vernaison | 19.3 | 193 | very hard |
| Collonges-au-Mont-d'Or | 19.3 | 193 | very hard |
| Limonest | 19.3 | 193 | very hard |
| Sathonay-Village | 19.3 | 193 | very hard |
| Rochetaillée-sur-Saône | 19.3 | 193 | very hard |
| Meyzieu | 19.1 | 191 | very hard |
| Chassieu | 19.1 | 191 | very hard |
| Jonage | 19.1 | 191 | very hard |
| Genas | 18.6 | 186 | very hard |
| Vaugneray | 18.5 | 185 | very hard |
| Saint-Pierre-la-Palud | 18.5 | 185 | very hard |
| Sourcieux-les-Mines | 18.5 | 185 | very hard |
| Éveux | 18.5 | 185 | very hard |
| Saint-Laurent-de-Mure | 18.4 | 184 | very hard |
| Saint-Pierre-de-Chandieu | 18.4 | 184 | very hard |
| Toussieu | 18.4 | 184 | very hard |
| Jons | 18.4 | 184 | very hard |
| Neuville-sur-Saône | 18.3 | 183 | very hard |
| Genay | 18.3 | 183 | very hard |
| Saint-Germain-au-Mont-d'Or | 18.3 | 183 | very hard |
| Montanay | 18.3 | 183 | very hard |
| Fontaines-Saint-Martin | 18.3 | 183 | very hard |
| Albigny-sur-Saône | 18.3 | 183 | very hard |
| Cailloux-sur-Fontaines | 18.3 | 183 | very hard |
| Couzon-au-Mont-d'Or | 18.3 | 183 | very hard |
| Fleurieu-sur-Saône | 18.3 | 183 | very hard |
| Poleymieux-au-Mont-d'Or | 18.3 | 183 | very hard |
| Saint-Romain-au-Mont-d'Or | 18.3 | 183 | very hard |
| Curis-au-Mont-d'Or | 18.3 | 183 | very hard |
| Saint-Bonnet-de-Mure | 18.2 | 182 | very hard |
| Pusignan | 18 | 180 | very hard |
| Yzeron | 17.1 | 171 | hard |
| Beaujeu | 15.9 | 159 | hard |
| Quincié-en-Beaujolais | 15.9 | 159 | hard |
| Cercié | 15.9 | 159 | hard |
| Régnié-Durette | 15.9 | 159 | hard |
| Belleville-en-Beaujolais | 14.4 | 144 | hard |
| Saint-Romain-de-Popey | 13.8 | 138 | hard |
| Courzieu | 13.3 | 133 | hard |
| Saint-Forgeux | 13.1 | 131 | hard |
| Thizy-les-Bourgs | 12 | 120 | hard |
| Amplepuis | 12 | 120 | hard |
| Cublize | 12 | 120 | hard |
| Saint-Jean-la-Bussière | 12 | 120 | hard |
| Cours | 6.8 | 68 | moderately hard |
| Vindry-sur-Turdine | 3.9 | 39 | soft |
| Tarare | 3.7 | 37 | soft |
| Deux-Grosnes | 2.7 | 27 | soft |
| Poule-les-Écharmeaux | 1.7 | 17 | soft |
Other places (81)
- Affoux 23.6 °fH
- Aigueperse 2.5 °fH
- Ambérieux 25.5 °fH
- Ancy 13.1 °fH
- Azolette 2.2 °fH
- Bibost 23.6 °fH
- Brullioles 23.6 °fH
- Cenves 30.3 °fH
- Chambost-Allières 25.6 °fH
- Chambost-Longessaigne 23.6 °fH
- Chamelet 25.6 °fH
- Chénas 30.8 °fH
- Chénelette 15.9 °fH
- Chevinay 23.7 °fH
- Chiroubles 30.8 °fH
- Claveisolles 25.6 °fH
- Coise 23.6 °fH
- Corcelles-en-Beaujolais 30.8 °fH
- Dième 23.8 °fH
- Dracé 15.9 °fH
- Duerne 23.6 °fH
- Émeringes 30.8 °fH
- Frontenas 25.6 °fH
- Grézieu-le-Marché 23.6 °fH
- Joux 13.1 °fH
- Juliénas 30.6 °fH
- Jullié 30.8 °fH
- La Chapelle-sur-Coise 23.6 °fH
- Lacenas 31.4 °fH
- Lancié 30.8 °fH
- Lantignié 15.9 °fH
- Le Breuil 25 °fH
- Légny 23.8 °fH
- Les Ardillats 15.9 °fH
- Les Haies 23.6 °fH
- Les Halles 23.6 °fH
- Les Sauvages 12 °fH
- Longes 23.6 °fH
- Longessaigne 23.6 °fH
- Marchampt 15.9 °fH
- Meaux-la-Montagne 12 °fH
- Meys 23.6 °fH
- Montmelas-Saint-Sorlin 28.6 °fH
- Montromant 19.8 °fH
- Odenas 28.6 °fH
- Propières 2 °fH
- Ranchal 12 °fH
- Riverie 23.6 °fH
- Rivolet 30 °fH
- Ronno 12 °fH
- Saint-André-la-Côte 23.6 °fH
- Saint-Appolinaire 12 °fH
- Saint-Bonnet-des-Bruyères 4.5 °fH
- Saint-Bonnet-le-Troncy 12 °fH
- Saint-Clément-de-Vers 2.4 °fH
- Saint-Clément-les-Places 23.6 °fH
- Saint-Clément-sur-Valsonne 23.8 °fH
- Saint-Cyr-le-Chatoux 28.6 °fH
- Saint-Didier-sur-Beaujeu 15.9 °fH
- Saint-Étienne-la-Varenne 28.6 °fH
- Saint-Igny-de-Vers 2.4 °fH
- Saint-Julien 28.6 °fH
- Saint-Julien-sur-Bibost 23.6 °fH
- Saint-Just-d'Avray 12 °fH
- Saint-Lager 15.9 °fH
- Saint-Marcel-l'Éclairé 3.9 °fH
- Saint-Nizier-d'Azergues 25.6 °fH
- Saint-Romain-en-Gier 23.6 °fH
- Saint-Vincent-de-Reins 12 °fH
- Sainte-Catherine 23.6 °fH
- Salles-Arbuissonnas-en-Beaujolais 28.6 °fH
- Sarcey 23.8 °fH
- Souzy 23.6 °fH
- Taponas 15.9 °fH
- Trèves 23.6 °fH
- Tupin-et-Semons 24.2 °fH
- Valsonne 23.8 °fH
- Vauxrenard 30.8 °fH
- Vernay 15.9 °fH
- Ville-sur-Jarnioux 31.4 °fH
- Villechenève 23.6 °fH