Tap water hardness in Drôme
We have published hardness data for 356 cities in Drôme. The median is 25.5 °fH; the hardest water is in Eyroles (47.8 °fH), the softest in Montjoyer (11 °fH).
100 % of these cities have hard or very hard water (over 120 mg/L).
Largest places, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Saint-Paul-Trois-Châteaux | 40.7 | 407 | very hard |
| Vinsobres | 37.2 | 372 | very hard |
| Chabrillan | 36.3 | 363 | very hard |
| Grignan | 36 | 360 | very hard |
| Saint-Maurice-sur-Eygues | 36 | 360 | very hard |
| La Garde-Adhémar | 35.3 | 353 | very hard |
| Albon | 34.8 | 348 | very hard |
| Taulignan | 34.8 | 348 | very hard |
| Andancette | 34.8 | 348 | very hard |
| Malataverne | 34.6 | 346 | very hard |
| Mirabel-aux-Baronnies | 32.7 | 327 | very hard |
| Mours-Saint-Eusèbe | 31.9 | 319 | very hard |
| Châteauneuf-du-Rhône | 31.9 | 319 | very hard |
| Romans-sur-Isère | 31.7 | 317 | very hard |
| Les Granges-Gontardes | 31.4 | 314 | very hard |
| Nyons | 31.3 | 313 | very hard |
| La Roche-de-Glun | 31.3 | 313 | very hard |
| Montboucher-sur-Jabron | 31.3 | 313 | very hard |
| Espeluche | 31.3 | 313 | very hard |
| Étoile-sur-Rhône | 31.2 | 312 | very hard |
| Valaurie | 31 | 310 | very hard |
| Bourg-lès-Valence | 30.2 | 302 | very hard |
| Rochefort-Samson | 30.1 | 301 | very hard |
| Hostun | 30.1 | 301 | very hard |
| Jaillans | 30.1 | 301 | very hard |
| Beauregard-Baret | 30.1 | 301 | very hard |
| Marches | 30.1 | 301 | very hard |
| Beauvallon | 30 | 300 | very hard |
| Eymeux | 30 | 300 | very hard |
| Tain-l'Hermitage | 29.8 | 298 | very hard |
| Pont-de-l'Isère | 29.8 | 298 | very hard |
| Granges-les-Beaumont | 29.8 | 298 | very hard |
| Beausemblant | 29.7 | 297 | very hard |
| Laveyron | 29.7 | 297 | very hard |
| Beaumont-lès-Valence | 29.5 | 295 | very hard |
| Montéléger | 29.5 | 295 | very hard |
| Saillans | 29.5 | 295 | very hard |
| Aouste-sur-Sye | 29.4 | 294 | very hard |
| Les Tourrettes | 29 | 290 | very hard |
| Montoison | 28.7 | 287 | very hard |
| Valence | 28.4 | 284 | very hard |
| Saint-Paul-lès-Romans | 28.4 | 284 | very hard |
| Chatuzange-le-Goubet | 28.2 | 282 | very hard |
| Saint-Marcel-lès-Sauzet | 28.1 | 281 | very hard |
| La Laupie | 28.1 | 281 | very hard |
| Barbières | 28 | 280 | very hard |
| Portes-lès-Valence | 27.9 | 279 | very hard |
| Sauzet | 27.8 | 278 | very hard |
| Loriol-sur-Drôme | 27.7 | 277 | very hard |
| Saulce-sur-Rhône | 27.7 | 277 | very hard |
| Mirmande | 27.7 | 277 | very hard |
| Bourg-de-Péage | 27.5 | 275 | very hard |
| Montmeyran | 27.4 | 274 | very hard |
| Tulette | 27.4 | 274 | very hard |
| Upie | 27.4 | 274 | very hard |
| La Bâtie-Rolland | 27.4 | 274 | very hard |
| Saint-Gervais-sur-Roubion | 27.4 | 274 | very hard |
| Charols | 27.4 | 274 | very hard |
| Cléon-d'Andran | 27.4 | 274 | very hard |
| Allex | 27.2 | 272 | very hard |
| Épinouze | 27.2 | 272 | very hard |
| Lapeyrouse-Mornay | 27.2 | 272 | very hard |
| Le Poët-Laval | 27 | 270 | very hard |
| La Baume-de-Transit | 27 | 270 | very hard |
| Montvendre | 26.9 | 269 | very hard |
| Montélimar | 26.7 | 267 | very hard |
| Mercurol-Veaunes | 26.7 | 267 | very hard |
| Clérieux | 26.7 | 267 | very hard |
| La Bégude-de-Mazenc | 26.7 | 267 | very hard |
| Chanos-Curson | 26.7 | 267 | very hard |
| Saint-Bardoux | 26.7 | 267 | very hard |
| Saint-Rambert-d'Albon | 26.6 | 266 | very hard |
| Saint-Uze | 26.6 | 266 | very hard |
| Mollans-sur-Ouvèze | 26.6 | 266 | very hard |
| Saint-Marcel-lès-Valence | 26.5 | 265 | very hard |
| Saint-Vallier | 26.4 | 264 | very hard |
| Savasse | 26.4 | 264 | very hard |
| La Coucourde | 26.4 | 264 | very hard |
| Érôme | 26.4 | 264 | very hard |
| Serves-sur-Rhône | 26.4 | 264 | very hard |
| Châteauneuf-sur-Isère | 26.3 | 263 | very hard |
| Crest | 26.1 | 261 | very hard |
| Saint-Barthélemy-de-Vals | 26.1 | 261 | very hard |
| Montségur-sur-Lauzon | 26.1 | 261 | very hard |
| Puy-Saint-Martin | 26.1 | 261 | very hard |
| Claveyson | 26.1 | 261 | very hard |
| Allan | 26 | 260 | very hard |
| Venterol | 26 | 260 | very hard |
| Vaunaveys-la-Rochette | 26 | 260 | very hard |
| Eurre | 25.9 | 259 | very hard |
| Bésayes | 25.9 | 259 | very hard |
| Génissieux | 25.8 | 258 | very hard |
| Châtillon-Saint-Jean | 25.8 | 258 | very hard |
| Parnans | 25.8 | 258 | very hard |
| Montmiral | 25.8 | 258 | very hard |
| Donzère | 25.7 | 257 | very hard |
| Divajeu | 25.6 | 256 | very hard |
| Suze-la-Rousse | 25.3 | 253 | very hard |
| Rochegude | 25.3 | 253 | very hard |
| Bouchet | 25.3 | 253 | very hard |
| Dieulefit | 25 | 250 | very hard |
| Charpey | 25 | 250 | very hard |
| Chantemerle-les-Blés | 25 | 250 | very hard |
| Larnage | 25 | 250 | very hard |
| Mirabel-et-Blacons | 25 | 250 | very hard |
| Crozes-Hermitage | 25 | 250 | very hard |
| Marsanne | 24.9 | 249 | very hard |
| Pont-de-Barret | 24.9 | 249 | very hard |
| Malissard | 24.7 | 247 | very hard |
| Alixan | 24.7 | 247 | very hard |
| Châteaudouble | 24.7 | 247 | very hard |
| Anneyron | 24.5 | 245 | very hard |
| Saint-Sorlin-en-Valloire | 24.5 | 245 | very hard |
| Lens-Lestang | 24.5 | 245 | very hard |
| Piégros-la-Clastre | 24.5 | 245 | very hard |
| Saint-Jean-de-Galaure | 24.5 | 245 | very hard |
| Manthes | 24.5 | 245 | very hard |
| Moras-en-Valloire | 24.5 | 245 | very hard |
| Grane | 24.2 | 242 | very hard |
| Buis-les-Baronnies | 24 | 240 | very hard |
| Châteauneuf-de-Galaure | 23.9 | 239 | very hard |
| Cliousclat | 23.8 | 238 | very hard |
| Saint-Donat-sur-l'Herbasse | 23.7 | 237 | very hard |
| Ancône | 23.7 | 237 | very hard |
| Beaumont-Monteux | 23.7 | 237 | very hard |
| Marsaz | 23.7 | 237 | very hard |
| Chavannes | 23.7 | 237 | very hard |
| Montélier | 23.4 | 234 | very hard |
| Peyrins | 23.2 | 232 | very hard |
| Margès | 23.2 | 232 | very hard |
| Valherbasse | 23.2 | 232 | very hard |
| Charmes-sur-l'Herbasse | 23.2 | 232 | very hard |
| Geyssans | 23.2 | 232 | very hard |
| Montchenu | 23.2 | 232 | very hard |
| Arthémonay | 23.2 | 232 | very hard |
| Peyrus | 22.9 | 229 | very hard |
| Chabeuil | 22.1 | 221 | very hard |
| Bourdeaux | 22 | 220 | very hard |
| Pierrelatte | 21.6 | 216 | very hard |
| Livron-sur-Drôme | 20.8 | 208 | very hard |
| Die | 20.7 | 207 | very hard |
| Hauterives | 20.6 | 206 | very hard |
| Saint-Restitut | 20.5 | 205 | very hard |
| Saint-Jean-en-Royans | 19.4 | 194 | very hard |
| Saint-Laurent-en-Royans | 19.1 | 191 | very hard |
| Le Grand-Serre | 18.9 | 189 | very hard |
| Saint-Nazaire-en-Royans | 18.7 | 187 | very hard |
| Saint-Thomas-en-Royans | 18.3 | 183 | very hard |
| Châtillon-en-Diois | 17 | 170 | hard |
| La Chapelle-en-Vercors | 14.3 | 143 | hard |
Other places (206)
- Aleyrac 27.8 °fH
- Ambonil 31.2 °fH
- Arpavon 22.8 °fH
- Aubenasson 20.1 °fH
- Aubres 36.5 °fH
- Aucelon 22.9 °fH
- Aulan 25 °fH
- Aurel 21.2 °fH
- Autichamp 36 °fH
- Ballons 28.5 °fH
- Barcelonne 26.1 °fH
- Barnave 23.5 °fH
- Barret-de-Lioure 17.2 °fH
- Barsac 25 °fH
- Bathernay 23.2 °fH
- Beaufort-sur-Gervanne 36.4 °fH
- Beaumont-en-Diois 25.5 °fH
- Beaurières 22.6 °fH
- Beauvoisin 26.7 °fH
- Bellecombe-Tarendol 17.3 °fH
- Bellegarde-en-Diois 26.5 °fH
- Bénivay-Ollon 26.7 °fH
- Bésignan 26 °fH
- Bézaudun-sur-Bîne 17.8 °fH
- Bonlieu-sur-Roubion 27.4 °fH
- Boulc 21.1 °fH
- Bouvante 17.6 °fH
- Bouvières 26.3 °fH
- Bren 25.8 °fH
- Brette 22.5 °fH
- Chalancon 22.3 °fH
- Chamaloc 22.5 °fH
- Chamaret 31.5 °fH
- Chantemerle-lès-Grignan 28.3 °fH
- Charens 23.1 °fH
- Chastel-Arnaud 20.4 °fH
- Châteauneuf-de-Bordette 32.7 °fH
- Chaudebonne 26.8 °fH
- Chauvac-Laux-Montaux 14.4 °fH
- Clansayes 28.9 °fH
- Cobonne 23.2 °fH
- Colonzelle 23.8 °fH
- Combovin 21.9 °fH
- Comps 33.4 °fH
- Condillac 26.4 °fH
- Condorcet 26.1 °fH
- Cornillac 23 °fH
- Cornillon-sur-l'Oule 24.4 °fH
- Crépol 23.2 °fH
- Crupies 22 °fH
- Curnier 23.3 °fH
- Échevis 18.8 °fH
- Espenel 28 °fH
- Establet 25.9 °fH
- Eygalayes 28.7 °fH
- Eygaliers 23.4 °fH
- Eygluy-Escoulin 33.3 °fH
- Eyroles 47.8 °fH
- Eyzahut 26.2 °fH
- Fay-le-Clos 24.5 °fH
- Félines-sur-Rimandoule 17.8 °fH
- Ferrassières 17.8 °fH
- Francillon-sur-Roubion 19.4 °fH
- Gervans 26.4 °fH
- Gigors-et-Lozeron 31.7 °fH
- Glandage 20.3 °fH
- Gumiane 18.4 °fH
- Jonchères 24 °fH
- La Bâtie-des-Fonds 25.6 °fH
- La Baume-Cornillane 26.1 °fH
- La Baume-d'Hostun 28.8 °fH
- La Charce 12.2 °fH
- La Chaudière 29.2 °fH
- La Motte-Chalancon 19.5 °fH
- La Motte-Fanjas 17.3 °fH
- La Penne-sur-l'Ouvèze 16.4 °fH
- La Répara-Auriples 32.5 °fH
- La Roche-sur-Grane 31.9 °fH
- La Roche-sur-le-Buis 18.4 °fH
- La Rochette-du-Buis 20.3 °fH
- La Touche 30.9 °fH
- Laborel 22.7 °fH
- Lachau 14.9 °fH
- Le Chaffal 22.8 °fH
- Le Chalon 23.2 °fH
- Le Pègue 24.5 °fH
- Le Poët-Célard 17.8 °fH
- Le Poët-en-Percip 24.2 °fH
- Le Poët-Sigillat 22.7 °fH
- Lemps 17.2 °fH
- Léoncel 21.8 °fH
- Les Pilles 38.1 °fH
- Les Prés 23.2 °fH
- Les Tonils 22.8 °fH
- Lesches-en-Diois 29 °fH
- Luc-en-Diois 26.1 °fH
- Lus-la-Croix-Haute 14.9 °fH
- Manas 24.9 °fH
- Marignac-en-Diois 27.2 °fH
- Menglon 26.9 °fH
- Mérindol-les-Oliviers 26.7 °fH
- Mévouillon 18.9 °fH
- Miscon 16.2 °fH
- Montauban-sur-l'Ouvèze 17.9 °fH
- Montaulieu 21.6 °fH
- Montbrison-sur-Lez 23.9 °fH
- Montbrun-les-Bains 19.2 °fH
- Montclar-sur-Gervanne 32.1 °fH
- Montferrand-la-Fare 22.5 °fH
- Montfroc 19.1 °fH
- Montguers 20.5 °fH
- Montjoux 23.8 °fH
- Montjoyer 11 °fH
- Montlaur-en-Diois 25 °fH
- Montmaur-en-Diois 24.5 °fH
- Montréal-les-Sources 17.7 °fH
- Mornans 17.8 °fH
- Omblèze 22.2 °fH
- Orcinas 21.5 °fH
- Oriol-en-Royans 17.6 °fH
- Ourches 26.1 °fH
- Pelonne 26.8 °fH
- Pennes-le-Sec 22.7 °fH
- Piégon 32.7 °fH
- Pierrelongue 25 °fH
- Plaisians 21.2 °fH
- Plan-de-Baix 26.6 °fH
- Ponet-et-Saint-Auban 32.9 °fH
- Ponsas 26.4 °fH
- Pontaix 23.7 °fH
- Portes-en-Valdaine 33.4 °fH
- Poyols 23.6 °fH
- Pradelle 22.8 °fH
- Propiac 26.7 °fH
- Puygiron 27.4 °fH
- Ratières 25.8 °fH
- Réauville 25.6 °fH
- Recoubeau-Jansac 21.7 °fH
- Reilhanette 25.5 °fH
- Rémuzat 13.9 °fH
- Rimon-et-Savel 22.8 °fH
- Rioms 29.2 °fH
- Roche-Saint-Secret-Béconne 20.3 °fH
- Rochebaudin 30.3 °fH
- Rochebrune 32.7 °fH
- Rochechinard 18.4 °fH
- Rochefort-en-Valdaine 26.8 °fH
- Romeyer 19.3 °fH
- Rottier 25.1 °fH
- Roussas 31 °fH
- Rousset-les-Vignes 33.6 °fH
- Roynac 27.4 °fH
- Sahune 23.6 °fH
- Saint-Agnan-en-Vercors 14.3 °fH
- Saint-Andéol 16.2 °fH
- Saint-Auban-sur-l'Ouvèze 20.8 °fH
- Saint-Avit 25.8 °fH
- Saint-Benoit-en-Diois 27.8 °fH
- Saint-Christophe-et-le-Laris 23.2 °fH
- Saint-Dizier-en-Diois 20.3 °fH
- Saint-Ferréol-Trente-Pas 26 °fH
- Saint-Julien-en-Quint 16.2 °fH
- Saint-Julien-en-Vercors 16.4 °fH
- Saint-Laurent-d'Onay 23.2 °fH
- Saint-Martin-d'Août 25.2 °fH
- Saint-Martin-en-Vercors 19 °fH
- Saint-Martin-le-Colonel 18.2 °fH
- Saint-May 19.5 °fH
- Saint-Michel-sur-Savasse 25.8 °fH
- Saint-Nazaire-le-Désert 15.9 °fH
- Saint-Pantaléon-les-Vignes 21.8 °fH
- Saint-Roman 23 °fH
- Saint-Sauveur-en-Diois 21.3 °fH
- Saint-Sauveur-Gouvernet 26.6 °fH
- Saint-Vincent-la-Commanderie 28.3 °fH
- Sainte-Croix 25.7 °fH
- Sainte-Eulalie-en-Royans 18.5 °fH
- Sainte-Euphémie-sur-Ouvèze 29.7 °fH
- Sainte-Jalle 29.3 °fH
- Salettes 24.9 °fH
- Salles-sous-Bois 34.4 °fH
- Saou 23.2 °fH
- Séderon 23 °fH
- Solaure en Diois 26.8 °fH
- Solérieux 27 °fH
- Souspierre 19.2 °fH
- Soyans 39.8 °fH
- Suze 32.9 °fH
- Tersanne 23 °fH
- Teyssières 27.6 °fH
- Triors 25.8 °fH
- Truinas 17.8 °fH
- Vachères-en-Quint 16.2 °fH
- Val-Maravel 26.2 °fH
- Valdrôme 17.6 °fH
- Valouse 22 °fH
- Vassieux-en-Vercors 18.1 °fH
- Vercheny 21.7 °fH
- Verclause 27.9 °fH
- Vercoiran 22.7 °fH
- Vers-sur-Méouge 16.3 °fH
- Vesc 22.3 °fH
- Villebois-les-Pins 19.5 °fH
- Villefranche-le-Château 22.1 °fH
- Villeperdrix 14.4 °fH
- Volvent 24.6 °fH