Tap water hardness in Loire
We have published hardness data for 258 cities in Loire. The median is 9.6 °fH; the hardest water is in Saint-Pierre-de-Bœuf (28.9 °fH), the softest in La Chamba (0.6 °fH).
29 % of these cities have hard or very hard water (over 120 mg/L).
Largest places, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Saint-Pierre-de-Bœuf | 28.9 | 289 | very hard |
| Chavanay | 25.1 | 251 | very hard |
| Montrond-les-Bains | 21.7 | 217 | very hard |
| Bellegarde-en-Forez | 21.7 | 217 | very hard |
| Saint-André-le-Puy | 21.7 | 217 | very hard |
| Cuzieu | 21.7 | 217 | very hard |
| Rivas | 21.7 | 217 | very hard |
| Saint-Laurent-la-Conche | 21.7 | 217 | very hard |
| Boisset-lès-Montrond | 21.3 | 213 | very hard |
| Chalain-le-Comtal | 21.3 | 213 | very hard |
| Chuyer | 21.2 | 212 | very hard |
| Maclas | 19.5 | 195 | very hard |
| Saint-Michel-sur-Rhône | 19.1 | 191 | very hard |
| Chazelles-sur-Lyon | 19 | 190 | very hard |
| Pélussin | 18.9 | 189 | very hard |
| Vérin | 18.9 | 189 | very hard |
| Saint-Denis-de-Cabanne | 18.1 | 181 | very hard |
| Saint-Marcel-de-Félines | 17.7 | 177 | hard |
| Mably | 14.8 | 148 | hard |
| Balbigny | 14.8 | 148 | hard |
| Briennon | 14.8 | 148 | hard |
| Saint-Germain-Laval | 14.8 | 148 | hard |
| Saint-Just-en-Chevalet | 14.8 | 148 | hard |
| Saint-Martin-la-Sauveté | 14.8 | 148 | hard |
| Nervieux | 14.8 | 148 | hard |
| Cremeaux | 14.8 | 148 | hard |
| Vézelin-sur-Loire | 14.8 | 148 | hard |
| Marcilly-le-Châtel | 13.9 | 139 | hard |
| Montverdun | 13.9 | 139 | hard |
| Sainte-Agathe-la-Bouteresse | 13.9 | 139 | hard |
| Saint-Étienne-le-Molard | 13.9 | 139 | hard |
| Marcoux | 13.9 | 139 | hard |
| Trelins | 13.9 | 139 | hard |
| Pouilly-sous-Charlieu | 13.8 | 138 | hard |
| Saint-Nizier-sous-Charlieu | 13.8 | 138 | hard |
| Chandon | 13.8 | 138 | hard |
| Feurs | 12.8 | 128 | hard |
| Savigneux | 11.9 | 119 | moderately hard |
| Belmont-de-la-Loire | 11.9 | 119 | moderately hard |
| Commelle-Vernay | 11.6 | 116 | moderately hard |
| Perreux | 11.6 | 116 | moderately hard |
| Saint-Symphorien-de-Lay | 11.6 | 116 | moderately hard |
| Saint-Just-la-Pendue | 11.6 | 116 | moderately hard |
| Régny | 11.6 | 116 | moderately hard |
| Vougy | 11.6 | 116 | moderately hard |
| Neulise | 11.6 | 116 | moderately hard |
| Saint-Victor-sur-Rhins | 11.6 | 116 | moderately hard |
| Coutouvre | 11.6 | 116 | moderately hard |
| Montagny | 11.6 | 116 | moderately hard |
| Saint-Vincent-de-Boisset | 11.6 | 116 | moderately hard |
| Cordelle | 11.6 | 116 | moderately hard |
| Saint-Cyr-de-Favières | 11.6 | 116 | moderately hard |
| La Gresle | 11.6 | 116 | moderately hard |
| Pradines | 11.6 | 116 | moderately hard |
| Lay | 11.6 | 116 | moderately hard |
| Sevelinges | 11.6 | 116 | moderately hard |
| Parigny | 11.6 | 116 | moderately hard |
| Fourneaux | 11.6 | 116 | moderately hard |
| Montbrison | 11.2 | 112 | moderately hard |
| Craintilleux | 11.1 | 111 | moderately hard |
| Veauchette | 11.1 | 111 | moderately hard |
| Rive-de-Gier | 10.9 | 109 | moderately hard |
| Saint-Martin-la-Plaine | 10.9 | 109 | moderately hard |
| Saint-Joseph | 10.9 | 109 | moderately hard |
| Cellieu | 10.4 | 104 | moderately hard |
| La Grand-Croix | 10.1 | 101 | moderately hard |
| Saint-Paul-en-Jarez | 10.1 | 101 | moderately hard |
| Lorette | 10.1 | 101 | moderately hard |
| Genilac | 10.1 | 101 | moderately hard |
| Châteauneuf | 10.1 | 101 | moderately hard |
| Farnay | 10.1 | 101 | moderately hard |
| Doizieux | 10.1 | 101 | moderately hard |
| Noailly | 10.1 | 101 | moderately hard |
| La Terrasse-sur-Dorlay | 10.1 | 101 | moderately hard |
| Saint-Galmier | 9.9 | 99 | moderately hard |
| Jonzieux | 9.9 | 99 | moderately hard |
| Saint-Just-Saint-Rambert | 9.6 | 96 | moderately hard |
| Saint-Paul-en-Cornillon | 9.5 | 95 | moderately hard |
| Saint-Haon-le-Vieux | 9.4 | 94 | moderately hard |
| Fraisses | 9.3 | 93 | moderately hard |
| Sury-le-Comtal | 9.2 | 92 | moderately hard |
| Bonson | 9.2 | 92 | moderately hard |
| Saint-Cyprien | 9.2 | 92 | moderately hard |
| Firminy | 9.1 | 91 | moderately hard |
| Le Chambon-Feugerolles | 9.1 | 91 | moderately hard |
| Unieux | 9.1 | 91 | moderately hard |
| Charlieu | 9.1 | 91 | moderately hard |
| La Ricamarie | 8.9 | 89 | moderately hard |
| Saint-Marcellin-en-Forez | 8.8 | 88 | moderately hard |
| L'Hôpital-le-Grand | 8.8 | 88 | moderately hard |
| Précieux | 8.8 | 88 | moderately hard |
| Cuinzier | 8.8 | 88 | moderately hard |
| Fontanès | 8.8 | 88 | moderately hard |
| Andrézieux-Bouthéon | 8.7 | 87 | moderately hard |
| La Fouillouse | 8.7 | 87 | moderately hard |
| Saint-Héand | 8.7 | 87 | moderately hard |
| Chambœuf | 8.7 | 87 | moderately hard |
| Aveizieux | 8.7 | 87 | moderately hard |
| Saint-Bonnet-les-Oules | 8.7 | 87 | moderately hard |
| Saint-Maurice-en-Gourgois | 8.6 | 86 | moderately hard |
| L'Horme | 8.5 | 85 | moderately hard |
| Veauche | 8.4 | 84 | moderately hard |
| Pralong | 8.4 | 84 | moderately hard |
| Saint-Chamond | 8.3 | 83 | moderately hard |
| Champdieu | 8.3 | 83 | moderately hard |
| Lentigny | 8.3 | 83 | moderately hard |
| Ouches | 8.3 | 83 | moderately hard |
| Villemontais | 8.3 | 83 | moderately hard |
| Essertines-en-Châtelneuf | 8.3 | 83 | moderately hard |
| Lézigneux | 7.8 | 78 | moderately hard |
| Saint-Sixte | 7.8 | 78 | moderately hard |
| Saint-Thomas-la-Garde | 7.8 | 78 | moderately hard |
| Luriecq | 7.5 | 75 | moderately hard |
| Saint-Romain-le-Puy | 7.2 | 72 | moderately hard |
| Grammond | 7 | 70 | moderately hard |
| Poncins | 6.9 | 69 | moderately hard |
| Chambles | 6.9 | 69 | moderately hard |
| Écotay-l'Olme | 6.8 | 68 | moderately hard |
| Bard | 6.8 | 68 | moderately hard |
| Marlhes | 6.3 | 63 | moderately hard |
| Saint-Romain-les-Atheux | 6.2 | 62 | moderately hard |
| Verrières-en-Forez | 6.2 | 62 | moderately hard |
| Saint-Bonnet-le-Château | 5.6 | 56 | soft |
| Saint-Martin-d'Estréaux | 5.3 | 53 | soft |
| Marcenod | 4.9 | 49 | soft |
| Saint-Georges-Haute-Ville | 4.2 | 42 | soft |
| Boën-sur-Lignon | 4 | 40 | soft |
| Usson-en-Forez | 3.9 | 39 | soft |
| Saint-Alban-les-Eaux | 3.8 | 38 | soft |
| Saint-Bonnet-le-Courreau | 3.7 | 37 | soft |
| Saint-Julien-Molin-Molette | 3.6 | 36 | soft |
| Le Cergne | 3.6 | 36 | soft |
| La Valla-en-Gier | 3.2 | 32 | soft |
| Saint-Genest-Malifaux | 3.1 | 31 | soft |
| Ambierle | 2.5 | 25 | soft |
| Sail-sous-Couzan | 2.4 | 24 | soft |
| Estivareilles | 1.9 | 19 | soft |
| Bourg-Argental | 1.8 | 18 | soft |
| Planfoy | 1.7 | 17 | soft |
| Saint-Jean-Soleymieux | 1.7 | 17 | soft |
| Soleymieux | 1.7 | 17 | soft |
| Boisset-Saint-Priest | 1.6 | 16 | soft |
| Margerie-Chantagret | 1.5 | 15 | soft |
| Saint-Étienne | 1.4 | 14 | soft |
| Saint-Sauveur-en-Rue | 1.3 | 13 | soft |
| Saint-André-d'Apchon | 1.2 | 12 | soft |
| Roisey | 1.1 | 11 | soft |
| Véranne | 0.8 | 8 | soft |
| Saint-Appolinard | 0.8 | 8 | soft |
| Noirétable | 0.7 | 7 | soft |
Other places (108)
- Ailleux 13.9 °fH
- Apinac 3.5 °fH
- Arcinges 6.2 °fH
- Arcon 1.1 °fH
- Arthun 13.9 °fH
- Belleroche 10.2 °fH
- Bessey 1.4 °fH
- Boyer 13.8 °fH
- Bully 14.8 °fH
- Burdignes 1.1 °fH
- Bussy-Albieux 13.9 °fH
- Caloire 9.3 °fH
- Cervières 1.6 °fH
- Cezay 13.9 °fH
- Chagnon 10.4 °fH
- Chalain-d'Uzore 8.3 °fH
- Chalmazel-Jeansagnière 0.7 °fH
- Chambéon 6.9 °fH
- Champoly 14.8 °fH
- Châtelneuf 7.5 °fH
- Chausseterre 1.8 °fH
- Chazelles-sur-Lavieu 2.9 °fH
- Chenereilles 1.5 °fH
- Cherier 5.1 °fH
- Chirassimont 11.6 °fH
- Cleppé 6.9 °fH
- Colombier 4.2 °fH
- Combre 11.6 °fH
- Croizet-sur-Gand 11.6 °fH
- Écoche 8.4 °fH
- Graix 9 °fH
- Grézieux-le-Fromental 21.3 °fH
- Grézolles 14.8 °fH
- Gumières 1.9 °fH
- Jarnosse 13.8 °fH
- Juré 14.8 °fH
- La Bénisson-Dieu 14.8 °fH
- La Chamba 0.6 °fH
- La Chambonie 1.4 °fH
- La Chapelle-en-Lafaye 5.9 °fH
- La Chapelle-Villars 21.2 °fH
- La Côte-Saint-Didier 0.9 °fH
- La Gimond 9.2 °fH
- La Tuilière 0.8 °fH
- La Valla-sur-Rochefort 2.7 °fH
- La Versanne 1.2 °fH
- Lavieu 1.6 °fH
- Le Bessat 1.1 °fH
- Leigneux 2.1 °fH
- Lérigneux 6.8 °fH
- Les Noës 2.5 °fH
- Les Salles 1.7 °fH
- Lupé 19.5 °fH
- Luré 14.8 °fH
- Machézal 11.6 °fH
- Maizilly 9.6 °fH
- Malleval 26.8 °fH
- Marclopt 21.7 °fH
- Marols 1.7 °fH
- Mars 9.6 °fH
- Merle-Leignec 8.8 °fH
- Mizérieux 14.8 °fH
- Montarcher 9.6 °fH
- Mornand-en-Forez 13.9 °fH
- Nandax 13.8 °fH
- Neaux 11.6 °fH
- Nollieux 14.8 °fH
- Notre-Dame-de-Boisset 11.6 °fH
- Palogneux 2.1 °fH
- Pavezin 12.7 °fH
- Pinay 14.8 °fH
- Pommiers-en-Forez 14.8 °fH
- Roche 8.3 °fH
- Rozier-Côtes-d'Aurec 8.8 °fH
- Saint-Bonnet-des-Quarts 4.4 °fH
- Saint-Cyr-de-Valorges 11.6 °fH
- Saint-Georges-de-Baroille 14.8 °fH
- Saint-Georges-en-Couzan 2.1 °fH
- Saint-Germain-la-Montagne 1.7 °fH
- Saint-Hilaire-Cusson-la-Valmitte 8.8 °fH
- Saint-Hilaire-sous-Charlieu 13.8 °fH
- Saint-Jean-la-Vêtre 0.8 °fH
- Saint-Jodard 14.8 °fH
- Saint-Julien-d'Oddes 14.8 °fH
- Saint-Just-en-Bas 1.7 °fH
- Saint-Marcel-d'Urfé 14.8 °fH
- Saint-Paul-d'Uzore 8.3 °fH
- Saint-Pierre-la-Noaille 13.8 °fH
- Saint-Polgues 14.8 °fH
- Saint-Priest-la-Prugne 0.7 °fH
- Saint-Priest-la-Roche 11.6 °fH
- Saint-Priest-la-Vêtre 0.9 °fH
- Saint-Régis-du-Coin 1.1 °fH
- Saint-Rirand 3.2 °fH
- Saint-Romain-d'Urfé 14.8 °fH
- Sainte-Colombe-sur-Gand 17.7 °fH
- Sainte-Croix-en-Jarez 13.8 °fH
- Sainte-Foy-Saint-Sulpice 13.9 °fH
- Sauvain 2.2 °fH
- Solore-en-Forez 2.1 °fH
- Souternon 14.8 °fH
- Tarentaise 2.6 °fH
- Thélis-la-Combe 7.1 °fH
- Unias 11.1 °fH
- Vendranges 11.6 °fH
- Vêtre-sur-Anzon 0.8 °fH
- Villers 13.8 °fH
- Viricelles 19 °fH