Water Hardness Atlas ZIP / postcode

Tap water hardness in Calvados

We have published hardness data for 518 cities in Calvados. The median is 29.3 °fH; the hardest water is in Gonneville-en-Auge (43.5 °fH), the softest in Noues de Sienne (6.4 °fH).

96 % of these cities have hard or very hard water (over 120 mg/L).

Each dot is a place with published data; colour shows the hardness band.

Largest places, hardest first

°fHmg/L
Varaville43.5435very hard
Merville-Franceville-Plage43.2432very hard
Bavent43.2432very hard
Ranville43430very hard
Amfreville43430very hard
Hérouvillette43430very hard
Troarn38.3383very hard
Saint-Aubin-sur-Mer38.3383very hard
Bernières-sur-Mer38.3383very hard
Langrune-sur-Mer38.3383very hard
Sommervieu37.5375very hard
Creully sur Seulles37.4374very hard
Moulins-en-Bessin37.4374very hard
Thaon37.3373very hard
Ponts sur Seulles37.3373very hard
Carpiquet37.2372very hard
Rots37.2372very hard
Saint-Germain-la-Blanche-Herbe37.2372very hard
Ver-sur-Mer37.2372very hard
Thue et Mue37.1371very hard
Cairon37.1371very hard
Cambes-en-Plaine37.1371very hard
Authie37.1371very hard
Bayeux37370very hard
Saint-Vigor-le-Grand37370very hard
Saint-Contest36.9369very hard
Mathieu36.6366very hard
Basly36.6366very hard
Colomby-Anguerny36.6366very hard
Sannerville36.5365very hard
Frénouville36360very hard
Cagny36360very hard
Courseulles-sur-Mer35.6356very hard
Port-en-Bessin-Huppain35.2352very hard
Grandcamp-Maisy35.2352very hard
Caen34.5345very hard
Biéville-Beuville33.6336very hard
Argences33.3333very hard
Moult-Chicheboville33.3333very hard
Bellengreville33.3333very hard
Méry-Bissières-en-Auge33.3333very hard
Cambremer32.9329very hard
Valambray32.8328very hard
Cabourg32.4324very hard
Potigny32.3323very hard
Saint-Sylvain32.3323very hard
Cesny-les-Sources32.3323very hard
Ussy32.3323very hard
Bretteville-sur-Laize32.2322very hard
Saint-Germain-le-Vasson32.2322very hard
Mézidon Vallée d'Auge32.1321very hard
Saint-Pierre-en-Auge32320very hard
Houlgate31.7317very hard
Villers-sur-Mer31.6316very hard
Dozulé31.5315very hard
Esquay-Notre-Dame31.2312very hard
Isigny-sur-Mer31310very hard
Blonville-sur-Mer30.8308very hard
Blainville-sur-Orne30.6306very hard
Dives-sur-Mer30.6306very hard
Beuvillers30.2302very hard
Saint-Martin-de-Mailloc30.2302very hard
Honfleur30.1301very hard
Fontenay-le-Pesnel29.9299very hard
La Rivière-Saint-Sauveur29.5295very hard
Moyaux29290very hard
Ablon28.9289very hard
Deauville28.8288very hard
Saint-Arnoult28.8288very hard
Le Breuil-en-Auge28.8288very hard
Le Pré-d'Auge28.5285very hard
Bretteville-sur-Odon28.4284very hard
Valorbiquet28.4284very hard
Falaise28.3283very hard
Hérouville-Saint-Clair28.2282very hard
Épron28.2282very hard
Glos28.2282very hard
Livarot-Pays-d'Auge27.7277very hard
Trouville-sur-Mer27.7277very hard
Équemauville27.5275very hard
Pont-l'Évêque27.4274very hard
Le Castelet27.3273very hard
Saint-Gatien-des-Bois27.3273very hard
Évrecy27.2272very hard
Ouistreham26.8268very hard
Orbec26.8268very hard
La Vespière-Friardel26.7267very hard
Touques26.4264very hard
Laize-Clinchamps25.9259very hard
Cuverville25.6256very hard
Pont-d'Ouilly25.5255very hard
Baron-sur-Odon25.4254very hard
Bénouville24.4244very hard
Saint-Aubin-d'Arquenay24.4244very hard
Trévières23.9239very hard
Le Molay-Littry23.4234very hard
Démouville22.9229very hard
Tilly-sur-Seulles22.4224very hard
Audrieu22.4224very hard
Bourguébus22.1221very hard
Fontenay-le-Marmion22.1221very hard
Castine-en-Plaine22.1221very hard
Colombelles22220very hard
Saint-Désir21.7217very hard
Saint-Martin-de-May21.2212very hard
Saint-André-sur-Orne21.2212very hard
Mondeville21.1211very hard
Giberville21.1211very hard
Lion-sur-Mer20.8208very hard
Saint-Manvieu-Norrey20.8208very hard
Clécy20.7207very hard
Saint-Rémy20.7207very hard
Val d'Arry20.6206very hard
Sainte-Honorine-du-Fay20.4204very hard
Aurseulles20.1201very hard
Villers-Bocage19.7197very hard
Verson19.5195very hard
Louvigny19.5195very hard
Fontaine-Étoupefour19.5195very hard
Éterville19.5195very hard
Mouen19.5195very hard
Feuguerolles-Bully19.5195very hard
Maltot19.5195very hard
Grainville-sur-Odon19.5195very hard
Tourville-sur-Odon19.5195very hard
Amayé-sur-Orne19.5195very hard
Ifs19.3193very hard
Soliers19.3193very hard
Grentheville19.3193very hard
Fleury-sur-Orne19.2192very hard
Thury-Harcourt-le-Hom19190very hard
Hermanville-sur-Mer18.4184very hard
Colleville-Montgomery18.4184very hard
Cormelles-le-Royal17.8178hard
Balleroy-sur-Drôme17.1171hard
Seulline16.8168hard
Lisieux16.5165hard
Condé-en-Normandie16.3163hard
Luc-sur-Mer14.9149hard
Douvres-la-Délivrande14.6146hard
Cresserons14.6146hard
Les Monts d'Aunay14.1141hard
Dialan sur Chaîne13.1131hard
Terres de Druance12.6126hard
Souleuvre en Bocage11.7117moderately hard
Caumont-sur-Aure11.4114moderately hard
Vire Normandie11110moderately hard
Valdallière11110moderately hard
Cahagnes7.676moderately hard
Noues de Sienne6.464moderately hard

Other places (368)

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