Tap water hardness in Ardèche
We have published hardness data for 327 cities in Ardèche. The median is 6.9 °fH; the hardest water is in Viviers (39.4 °fH), the softest in Laboule (0.5 °fH).
39 % of these cities have hard or very hard water (over 120 mg/L).
Largest places, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Viviers | 39.4 | 394 | very hard |
| Le Teil | 35.5 | 355 | very hard |
| Gras | 34.9 | 349 | very hard |
| Saint-Montan | 34 | 340 | very hard |
| Bourg-Saint-Andéol | 33.6 | 336 | very hard |
| Lagorce | 33.2 | 332 | very hard |
| Saint-Remèze | 32.8 | 328 | very hard |
| Rochemaure | 29.2 | 292 | very hard |
| Meysse | 29.2 | 292 | very hard |
| Saint-Marcel-d'Ardèche | 27.4 | 274 | very hard |
| Cruas | 27.3 | 273 | very hard |
| Le Pouzin | 27.3 | 273 | very hard |
| Saint-Julien-en-Saint-Alban | 27.3 | 273 | very hard |
| Flaviac | 27.3 | 273 | very hard |
| Baix | 27.3 | 273 | very hard |
| Rompon | 27.1 | 271 | very hard |
| Saint-Barthélemy-le-Plain | 26.5 | 265 | very hard |
| Colombier-le-Jeune | 26.5 | 265 | very hard |
| Saint-Laurent-du-Pape | 26.3 | 263 | very hard |
| Saint-Fortunat-sur-Eyrieux | 26.3 | 263 | very hard |
| Félines | 25.9 | 259 | very hard |
| Saint-Marcel-lès-Annonay | 25.9 | 259 | very hard |
| Saint-Cyr | 25.9 | 259 | very hard |
| Charnas | 25.9 | 259 | very hard |
| Savas | 25.9 | 259 | very hard |
| Saint-Désirat | 25.9 | 259 | very hard |
| Limony | 25.9 | 259 | very hard |
| Champagne | 25.9 | 259 | very hard |
| Salavas | 25.3 | 253 | very hard |
| La Voulte-sur-Rhône | 24.3 | 243 | very hard |
| Boulieu-lès-Annonay | 24.1 | 241 | very hard |
| Peaugres | 24.1 | 241 | very hard |
| Serrières | 24.1 | 241 | very hard |
| Saint-Clair | 24.1 | 241 | very hard |
| Charmes-sur-Rhône | 23.5 | 235 | very hard |
| Saint-Jean-de-Muzols | 23.3 | 233 | very hard |
| Andance | 23 | 230 | very hard |
| Mauves | 22.7 | 227 | very hard |
| Davézieux | 22.2 | 222 | very hard |
| Vernosc-lès-Annonay | 22.2 | 222 | very hard |
| Talencieux | 22.2 | 222 | very hard |
| Saint-Péray | 21.8 | 218 | very hard |
| Saint-Georges-les-Bains | 21.8 | 218 | very hard |
| Cornas | 21.8 | 218 | very hard |
| Alboussière | 21.8 | 218 | very hard |
| Saint-Romain-de-Lerps | 21.8 | 218 | very hard |
| Plats | 21.8 | 218 | very hard |
| Glun | 21.8 | 218 | very hard |
| Boffres | 21.8 | 218 | very hard |
| Champis | 21.8 | 218 | very hard |
| Toulaud | 20.9 | 209 | very hard |
| Guilherand-Granges | 20.7 | 207 | very hard |
| Soyons | 20.3 | 203 | very hard |
| Roiffieux | 20 | 200 | very hard |
| Sarras | 20 | 200 | very hard |
| Quintenas | 20 | 200 | very hard |
| Satillieu | 20 | 200 | very hard |
| Saint-Alban-d'Ay | 20 | 200 | very hard |
| Ardoix | 20 | 200 | very hard |
| Saint-Romain-d'Ay | 20 | 200 | very hard |
| Saint-Félicien | 20 | 200 | very hard |
| Eclassan | 20 | 200 | very hard |
| Saint-Victor | 20 | 200 | very hard |
| Vion | 20 | 200 | very hard |
| Étables | 20 | 200 | very hard |
| Lemps | 20 | 200 | very hard |
| Préaux | 20 | 200 | very hard |
| Colombier-le-Vieux | 20 | 200 | very hard |
| Sécheras | 20 | 200 | very hard |
| Arras-sur-Rhône | 20 | 200 | very hard |
| Orgnac-l'Aven | 19.7 | 197 | very hard |
| Vagnas | 19.7 | 197 | very hard |
| Saint-Sauveur-de-Cruzières | 19.7 | 197 | very hard |
| Vesseaux | 19.4 | 194 | very hard |
| Veyras | 17.4 | 174 | hard |
| Saint-Étienne-de-Fontbellon | 17.3 | 173 | hard |
| Saint-Just-d'Ardèche | 17 | 170 | hard |
| Vernoux-en-Vivarais | 16.3 | 163 | hard |
| Aubenas | 15.8 | 158 | hard |
| Saint-Paul-le-Jeune | 15.5 | 155 | hard |
| Mercuer | 15.2 | 152 | hard |
| Ailhon | 15.2 | 152 | hard |
| Alba-la-Romaine | 14.1 | 141 | hard |
| Grospierres | 13.6 | 136 | hard |
| Saint-Alban-Auriolles | 13.3 | 133 | hard |
| Saint-Sernin | 13.1 | 131 | hard |
| Saint-Martin-d'Ardèche | 12.7 | 127 | hard |
| Les Ollières-sur-Eyrieux | 11.5 | 115 | moderately hard |
| Empurany | 11.3 | 113 | moderately hard |
| Tournon-sur-Rhône | 11 | 110 | moderately hard |
| Coux | 10.7 | 107 | moderately hard |
| Les Assions | 10.3 | 103 | moderately hard |
| Chomérac | 9.7 | 97 | moderately hard |
| Saint-Lager-Bressac | 9.7 | 97 | moderately hard |
| Saint-Vincent-de-Barrès | 9.7 | 97 | moderately hard |
| Saint-Symphorien-sous-Chomérac | 9.7 | 97 | moderately hard |
| Berrias-et-Casteljau | 9.6 | 96 | moderately hard |
| Lyas | 8.6 | 86 | moderately hard |
| Rosières | 7.7 | 77 | moderately hard |
| Laurac-en-Vivarais | 7.7 | 77 | moderately hard |
| Ruoms | 7.4 | 74 | moderately hard |
| Alissas | 7.2 | 72 | moderately hard |
| Labeaume | 7.2 | 72 | moderately hard |
| Vallon-Pont-d'Arc | 7.1 | 71 | moderately hard |
| Vogüé | 7 | 70 | moderately hard |
| Chambonas | 7 | 70 | moderately hard |
| Banne | 7 | 70 | moderately hard |
| Payzac | 7 | 70 | moderately hard |
| Villeneuve-de-Berg | 6.9 | 69 | moderately hard |
| Saint-Jean-le-Centenier | 6.9 | 69 | moderately hard |
| Mirabel | 6.9 | 69 | moderately hard |
| Saint-Priest | 6.5 | 65 | moderately hard |
| Montréal | 6.5 | 65 | moderately hard |
| Joyeuse | 6.4 | 64 | moderately hard |
| Lachapelle-sous-Aubenas | 6.4 | 64 | moderately hard |
| Vinezac | 6.4 | 64 | moderately hard |
| Chassiers | 6.4 | 64 | moderately hard |
| Largentière | 6.3 | 63 | moderately hard |
| Lussas | 6.3 | 63 | moderately hard |
| Lavilledieu | 6.1 | 61 | moderately hard |
| Saint-Germain | 6.1 | 61 | moderately hard |
| Villevocance | 4.6 | 46 | soft |
| Prades | 4.5 | 45 | soft |
| Annonay | 4.4 | 44 | soft |
| Coucouron | 4.4 | 44 | soft |
| Privas | 4.3 | 43 | soft |
| Les Vans | 3.5 | 35 | soft |
| Lamastre | 2.8 | 28 | soft |
| Saint-Martin-de-Valamas | 2.6 | 26 | soft |
| Beauchastel | 2.5 | 25 | soft |
| Montpezat-sous-Bauzon | 2.3 | 23 | soft |
| Saint-Barthélemy-Grozon | 2.2 | 22 | soft |
| Meyras | 2.1 | 21 | soft |
| Le Cheylard | 1.9 | 19 | soft |
| Belsentes | 1.8 | 18 | soft |
| Vals-les-Bains | 1.7 | 17 | soft |
| Vanosc | 1.7 | 17 | soft |
| Pont-de-Labeaume | 1.7 | 17 | soft |
| Vallées-d'Antraigues-Asperjoc | 1.6 | 16 | soft |
| Saint-Agrève | 1.5 | 15 | soft |
| Saint-Sauveur-de-Montagut | 1.5 | 15 | soft |
| Mariac | 1.5 | 15 | soft |
| Jaujac | 1.4 | 14 | soft |
| Thueyts | 1.4 | 14 | soft |
| Saint-Andéol-de-Vals | 1.4 | 14 | soft |
| Le Crestet | 1.4 | 14 | soft |
| Saint-Pierreville | 1.3 | 13 | soft |
| Lablachère | 1.2 | 12 | soft |
| Désaignes | 1.1 | 11 | soft |
| Vocance | 0.9 | 9 | soft |
Other places (177)
- Accons 1.3 °fH
- Aizac 1.2 °fH
- Ajoux 2 °fH
- Albon-d'Ardèche 1.1 °fH
- Arcens 2.4 °fH
- Arlebosc 20 °fH
- Astet 1.4 °fH
- Aubignas 5.5 °fH
- Balazuc 7.2 °fH
- Barnas 0.5 °fH
- Beaulieu 13.6 °fH
- Beaumont 1.1 °fH
- Beauvène 1.4 °fH
- Berzème 4.8 °fH
- Bessas 19.7 °fH
- Bidon 33.3 °fH
- Bogy 25.9 °fH
- Borée 2.1 °fH
- Borne 0.7 °fH
- Boucieu-le-Roi 20 °fH
- Bozas 20 °fH
- Brossainc 25.9 °fH
- Burzet 1.1 °fH
- Cellier-du-Luc 0.7 °fH
- Chalencon 1.6 °fH
- Chandolas 13.6 °fH
- Chanéac 1.4 °fH
- Châteaubourg 21.8 °fH
- Châteauneuf-de-Vernoux 4 °fH
- Chauzon 7.2 °fH
- Chazeaux 2.3 °fH
- Cheminas 20 °fH
- Chirols 1.5 °fH
- Colombier-le-Cardinal 25.9 °fH
- Creysseilles 14.4 °fH
- Cros-de-Géorand 1.5 °fH
- Darbres 4.6 °fH
- Devesset 1 °fH
- Dompnac 1.2 °fH
- Dornas 0.8 °fH
- Dunière-sur-Eyrieux 13.1 °fH
- Faugères 2.2 °fH
- Fons 6.3 °fH
- Freyssenet 4.8 °fH
- Genestelle 1.7 °fH
- Gilhac-et-Bruzac 21.8 °fH
- Gilhoc-sur-Ormèze 22.1 °fH
- Gluiras 0.9 °fH
- Gourdon 1.3 °fH
- Gravières 1.4 °fH
- Issamoulenc 0.9 °fH
- Issanlas 3.5 °fH
- Issarlès 1.2 °fH
- Jaunac 2.4 °fH
- Joannas 0.9 °fH
- Juvinas 1 °fH
- La Rochette 2.7 °fH
- La Souche 0.6 °fH
- Labastide-de-Virac 19.7 °fH
- Labastide-sur-Bésorgues 1 °fH
- Labatie-d'Andaure 1.9 °fH
- Laboule 0.5 °fH
- Lachamp-Raphaël 2 °fH
- Lachapelle-Graillouse 1.7 °fH
- Lachapelle-sous-Chanéac 2.7 °fH
- Lafarre 1.2 °fH
- Lalouvesc 1.6 °fH
- Lanarce 0.6 °fH
- Lanas 6.8 °fH
- Larnas 34 °fH
- Laveyrune 0.8 °fH
- Lavillatte 2.8 °fH
- Laviolle 1.2 °fH
- Le Béage 3.3 °fH
- Le Chambon 2.4 °fH
- Le Lac-d'Issarlès 2.9 °fH
- Le Plagnal 1.8 °fH
- Le Roux 1.9 °fH
- Lentillères 1.9 °fH
- Les Salelles 5.2 °fH
- Lespéron 1.6 °fH
- Loubaresse 0.6 °fH
- Malarce-sur-la-Thines 1.6 °fH
- Malbosc 3.5 °fH
- Marcols-les-Eaux 1.1 °fH
- Mars 1.2 °fH
- Mayres 1.6 °fH
- Mazan-l'Abbaye 0.8 °fH
- Mézilhac 1.7 °fH
- Monestier 1.1 °fH
- Montselgues 1.2 °fH
- Nozières 3.2 °fH
- Ozon 20 °fH
- Pailharès 1.1 °fH
- Peyraud 25.9 °fH
- Planzolles 1.6 °fH
- Pourchères 13.7 °fH
- Pradons 7.2 °fH
- Pranles 14.8 °fH
- Prunet 7.2 °fH
- Ribes 5.7 °fH
- Rochecolombe 18.3 °fH
- Rochepaule 1 °fH
- Rocher 6.7 °fH
- Rochessauve 4.7 °fH
- Rocles 0.9 °fH
- Sablières 1.3 °fH
- Sagnes-et-Goudoulet 0.7 °fH
- Saint-Alban-en-Montagne 1.5 °fH
- Saint-Andéol-de-Berg 6.9 °fH
- Saint-Andéol-de-Fourchades 2.5 °fH
- Saint-André-de-Cruzières 13.6 °fH
- Saint-André-en-Vivarais 0.6 °fH
- Saint-André-Lachamp 0.8 °fH
- Saint-Apollinaire-de-Rias 16.3 °fH
- Saint-Barthélemy-le-Meil 1.7 °fH
- Saint-Basile 1.3 °fH
- Saint-Bauzile 9.7 °fH
- Saint-Christol 0.9 °fH
- Saint-Cierge-la-Serre 27.3 °fH
- Saint-Cierge-sous-le-Cheylard 1.9 °fH
- Saint-Cirgues-de-Prades 0.9 °fH
- Saint-Cirgues-en-Montagne 1.5 °fH
- Saint-Clément 1.8 °fH
- Saint-Étienne-de-Boulogne 19.6 °fH
- Saint-Étienne-de-Lugdarès 0.8 °fH
- Saint-Étienne-de-Serre 1.8 °fH
- Saint-Étienne-de-Valoux 25.9 °fH
- Saint-Genest-de-Beauzon 7 °fH
- Saint-Genest-Lachamp 1.2 °fH
- Saint-Gineys-en-Coiron 4.8 °fH
- Saint-Jacques-d'Atticieux 25.9 °fH
- Saint-Jean-Chambre 1.9 °fH
- Saint-Jean-Roure 1.5 °fH
- Saint-Jeure-d'Andaure 1 °fH
- Saint-Jeure-d'Ay 20 °fH
- Saint-Joseph-des-Bancs 0.9 °fH
- Saint-Julien-d'Intres 1.6 °fH
- Saint-Julien-du-Gua 1.2 °fH
- Saint-Julien-le-Roux 19.1 °fH
- Saint-Julien-Vocance 0.6 °fH
- Saint-Laurent-les-Bains-Laval-d'Aurelle 1 °fH
- Saint-Laurent-sous-Coiron 7.9 °fH
- Saint-Martial 1.9 °fH
- Saint-Martin-sur-Lavezon 4.9 °fH
- Saint-Maurice-d'Ardèche 6.8 °fH
- Saint-Maurice-d'Ibie 6.9 °fH
- Saint-Maurice-en-Chalencon 16.3 °fH
- Saint-Mélany 1.3 °fH
- Saint-Michel-d'Aurance 0.9 °fH
- Saint-Michel-de-Boulogne 2.8 °fH
- Saint-Michel-de-Chabrillanoux 8.8 °fH
- Saint-Pierre-de-Colombier 1.1 °fH
- Saint-Pierre-la-Roche 5.2 °fH
- Saint-Pierre-Saint-Jean 1.2 °fH
- Saint-Pierre-sur-Doux 1 °fH
- Saint-Pons 6.5 °fH
- Saint-Prix 0.6 °fH
- Saint-Sylvestre 22 °fH
- Saint-Symphorien-de-Mahun 0.9 °fH
- Saint-Thomé 22.5 °fH
- Saint-Vincent-de-Durfort 21.3 °fH
- Sainte-Eulalie 1.3 °fH
- Sainte-Marguerite-Lafigère 1.7 °fH
- Sampzon 7.6 °fH
- Sanilhac 9.6 °fH
- Sceautres 3.9 °fH
- Silhac 16.3 °fH
- Tauriers 4 °fH
- Thorrenc 24.1 °fH
- Usclades-et-Rieutord 1.8 °fH
- Uzer 6.4 °fH
- Valgorge 0.9 °fH
- Valvignères 20.4 °fH
- Vaudevant 20 °fH
- Vernon 10.4 °fH
- Vinzieux 25.9 °fH