Tap water hardness in Côtes-d'Armor
We have published hardness data for 295 cities in Côtes-d'Armor. The median is 13 °fH; the hardest water is in Évran (26 °fH), the softest in La Harmoye (7.3 °fH).
76 % of these cities have hard or very hard water (over 120 mg/L).
Largest places, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Évran | 26 | 260 | very hard |
| Les Champs-Géraux | 26 | 260 | very hard |
| La Roche-Jaudy | 21 | 210 | very hard |
| Pleubian | 21 | 210 | very hard |
| Lézardrieux | 21 | 210 | very hard |
| Ploëzal | 21 | 210 | very hard |
| Pleumeur-Gautier | 21 | 210 | very hard |
| Langoat | 21 | 210 | very hard |
| Trédarzec | 21 | 210 | very hard |
| Pleudaniel | 21 | 210 | very hard |
| Quévert | 20 | 200 | very hard |
| Louannec | 20 | 200 | very hard |
| Penvénan | 20 | 200 | very hard |
| Plouguiel | 20 | 200 | very hard |
| Trévou-Tréguignec | 20 | 200 | very hard |
| Saint-Quay-Perros | 20 | 200 | very hard |
| Trélévern | 20 | 200 | very hard |
| Plougrescant | 20 | 200 | very hard |
| Camlez | 20 | 200 | very hard |
| Tréguier | 19 | 190 | very hard |
| Minihy-Tréguier | 19 | 190 | very hard |
| Gouarec | 17.5 | 175 | hard |
| Lanvollon | 17 | 170 | hard |
| Pommerit-le-Vicomte | 17 | 170 | hard |
| Goudelin | 17 | 170 | hard |
| Plouasne | 17 | 170 | hard |
| Le Merzer | 17 | 170 | hard |
| Plourhan | 16.5 | 165 | hard |
| Lantic | 16.5 | 165 | hard |
| Bégard | 16.2 | 162 | hard |
| Pluzunet | 16.2 | 162 | hard |
| Paimpol | 16 | 160 | hard |
| Plouha | 16 | 160 | hard |
| Plouézec | 16 | 160 | hard |
| Ploubazlanec | 16 | 160 | hard |
| Plourivo | 16 | 160 | hard |
| Pléhédel | 16 | 160 | hard |
| Pléguien | 15.5 | 155 | hard |
| Pédernec | 15.2 | 152 | hard |
| Plestin-les-Grèves | 15 | 150 | hard |
| Plouër-sur-Rance | 15 | 150 | hard |
| Trémuson | 15 | 150 | hard |
| Saint-Carreuc | 15 | 150 | hard |
| Brusvily | 15 | 150 | hard |
| Bobital | 15 | 150 | hard |
| Plumaugat | 15 | 150 | hard |
| Saint-Carné | 15 | 150 | hard |
| Le Hinglé | 15 | 150 | hard |
| Broons | 14.8 | 148 | hard |
| Plédéliac | 14.5 | 145 | hard |
| Pordic | 14 | 140 | hard |
| Quessoy | 14 | 140 | hard |
| Ploumilliau | 14 | 140 | hard |
| Saint-Julien | 14 | 140 | hard |
| Plémy | 14 | 140 | hard |
| Trédrez-Locquémeau | 14 | 140 | hard |
| Hénansal | 14 | 140 | hard |
| Loguivy-Plougras | 14 | 140 | hard |
| Plélo | 13.8 | 138 | hard |
| Plérin | 13.5 | 135 | hard |
| Châtelaudren-Plouagat | 13.5 | 135 | hard |
| Plémet | 13.5 | 135 | hard |
| Rospez | 13.5 | 135 | hard |
| Saint-Barnabé | 13.5 | 135 | hard |
| Trémorel | 13.5 | 135 | hard |
| Kermaria-Sulard | 13.5 | 135 | hard |
| Plumieux | 13.5 | 135 | hard |
| Loudéac | 13.2 | 132 | hard |
| Saint-Brieuc | 13 | 130 | hard |
| Lamballe-Armor | 13 | 130 | hard |
| Ploufragan | 13 | 130 | hard |
| Perros-Guirec | 13 | 130 | hard |
| Binic-Étables-sur-Mer | 13 | 130 | hard |
| Plaintel | 13 | 130 | hard |
| Erquy | 13 | 130 | hard |
| Pleslin-Trigavou | 13 | 130 | hard |
| Saint-Cast-le-Guildo | 13 | 130 | hard |
| Plancoët | 13 | 130 | hard |
| Saint-Quay-Portrieux | 13 | 130 | hard |
| Caulnes | 13 | 130 | hard |
| Trégastel | 13 | 130 | hard |
| Plénée-Jugon | 13 | 130 | hard |
| Bourbriac | 13 | 130 | hard |
| Val-d'Arguenon | 13 | 130 | hard |
| Corseul | 13 | 130 | hard |
| Saint-Alban | 13 | 130 | hard |
| Plouaret | 13 | 130 | hard |
| Saint-Nicolas-du-Pélem | 13 | 130 | hard |
| Matignon | 13 | 130 | hard |
| Plestan | 13 | 130 | hard |
| Fréhel | 13 | 130 | hard |
| Plurien | 13 | 130 | hard |
| Plounévez-Moëdec | 13 | 130 | hard |
| Hénanbihen | 13 | 130 | hard |
| Le Vieux-Marché | 13 | 130 | hard |
| Bourseul | 13 | 130 | hard |
| Saint-Caradec | 13 | 130 | hard |
| Sévignac | 13 | 130 | hard |
| Belle-Isle-en-Terre | 13 | 130 | hard |
| Trédaniel | 13 | 130 | hard |
| Langrolay-sur-Rance | 13 | 130 | hard |
| Plédran | 12.5 | 125 | hard |
| Hillion | 12.5 | 125 | hard |
| Trévé | 12.5 | 125 | hard |
| Trégueux | 12 | 120 | hard |
| Langueux | 12 | 120 | hard |
| Le Mené | 12 | 120 | hard |
| Yffiniac | 12 | 120 | hard |
| Plœuc-L'Hermitage | 12 | 120 | hard |
| Ploubezre | 12 | 120 | hard |
| Rostrenen | 12 | 120 | hard |
| Merdrignac | 12 | 120 | hard |
| Pleudihen-sur-Rance | 12 | 120 | hard |
| Hénon | 12 | 120 | hard |
| Saint-Samson-sur-Rance | 12 | 120 | hard |
| La Vicomté-sur-Rance | 12 | 120 | hard |
| Louargat | 11.5 | 115 | moderately hard |
| Callac | 11.5 | 115 | moderately hard |
| La Motte | 11.5 | 115 | moderately hard |
| Plouguernével | 11.5 | 115 | moderately hard |
| Bréhand | 11.5 | 115 | moderately hard |
| Saint-Hélen | 11.5 | 115 | moderately hard |
| Cavan | 11 | 110 | moderately hard |
| Prat | 11 | 110 | moderately hard |
| Plounévez-Quintin | 11 | 110 | moderately hard |
| Glomel | 10.8 | 108 | moderately hard |
| Plouvara | 10.6 | 106 | moderately hard |
| Corlay | 10.4 | 104 | moderately hard |
| Bon Repos sur Blavet | 10.2 | 102 | moderately hard |
| Lannion | 10 | 100 | moderately hard |
| Guerlédan | 10 | 100 | moderately hard |
| Ploulec'h | 10 | 100 | moderately hard |
| Maël-Carhaix | 10 | 100 | moderately hard |
| Plouguenast-Langast | 9.5 | 95 | moderately hard |
| La Méaugon | 9.4 | 94 | moderately hard |
| Quintin | 9.3 | 93 | moderately hard |
| Le Fœil | 9.3 | 93 | moderately hard |
| Boqueho | 9.3 | 93 | moderately hard |
| Uzel | 9.3 | 93 | moderately hard |
| Saint-Donan | 9.2 | 92 | moderately hard |
| Tonquédec | 9.2 | 92 | moderately hard |
| Plerneuf | 9.2 | 92 | moderately hard |
| Trébeurden | 8.9 | 89 | moderately hard |
| Pleumeur-Bodou | 8.8 | 88 | moderately hard |
| Plouëc-du-Trieux | 8.5 | 85 | moderately hard |
| Quemper-Guézennec | 8.5 | 85 | moderately hard |
| Pontrieux | 8.5 | 85 | moderately hard |
| Pabu | 8.4 | 84 | moderately hard |
| Ploumagoar | 8.2 | 82 | moderately hard |
| Saint-Agathon | 7.8 | 78 | moderately hard |
Other places (145)
- Allineuc 11 °fH
- Berhet 11 °fH
- Brélidy 11 °fH
- Bulat-Pestivien 12 °fH
- Calanhel 12 °fH
- Calorguen 15 °fH
- Canihuel 13 °fH
- Caouënnec-Lanvézéac 9.6 °fH
- Carnoët 12 °fH
- Caurel 13 °fH
- Coadout 13 °fH
- Coatascorn 11 °fH
- Coatréven 13.5 °fH
- Cohiniac 9.3 °fH
- Duault 12 °fH
- Éréac 16 °fH
- Gausson 12.5 °fH
- Gomené 12 °fH
- Gommenec'h 17 °fH
- Grâce-Uzel 13 °fH
- Guenroc 13 °fH
- Guitté 14 °fH
- Gurunhuel 9.9 °fH
- Hémonstoir 13 °fH
- Île-de-Bréhat 17 °fH
- Illifaut 12.8 °fH
- Kerbors 21 °fH
- Kerfot 16 °fH
- Kergrist-Moëlou 9 °fH
- Kerien 13 °fH
- Kermoroc'h 16.2 °fH
- Kerpert 13 °fH
- La Bouillie 13 °fH
- La Chapelle-Blanche 14 °fH
- La Chapelle-Neuve 11.4 °fH
- La Chèze 13.5 °fH
- La Harmoye 7.3 °fH
- La Malhoure 11 °fH
- La Prénessaye 13.5 °fH
- Landebaëron 11 °fH
- Landébia 12 °fH
- Lanleff 16 °fH
- Lanloup 16 °fH
- Lanmérin 13.5 °fH
- Lanmodez 21 °fH
- Lannebert 17 °fH
- Lanrelas 13.8 °fH
- Lanrivain 13 °fH
- Lanvellec 13 °fH
- Laurenan 12 °fH
- Le Bodéo 8.1 °fH
- Le Faouët 17 °fH
- Le Haut-Corlay 12.2 °fH
- Le Leslay 9.3 °fH
- Le Moustoir 11 °fH
- Le Quiou 26 °fH
- Le Vieux-Bourg 14 °fH
- Lescouët-Gouarec 12 °fH
- Loc-Envel 9.9 °fH
- Locarn 10 °fH
- Lohuec 12 °fH
- Loscouët-sur-Meu 25 °fH
- Maël-Pestivien 12 °fH
- Magoar 13 °fH
- Mantallot 11 °fH
- Mellionnec 12 °fH
- Mérillac 9.6 °fH
- Moncontour 10.5 °fH
- Moustéru 13 °fH
- Noyal 14 °fH
- Paule 12 °fH
- Penguily 11 °fH
- Peumerit-Quintin 12 °fH
- Pléboulle 13 °fH
- Plélauff 12 °fH
- Plésidy 13 °fH
- Plévenon 13 °fH
- Plévin 11.2 °fH
- Plougonver 9.9 °fH
- Plougras 13 °fH
- Plounérin 13 °fH
- Plourac'h 12 °fH
- Plouzélambre 15 °fH
- Pludual 17 °fH
- Plufur 13 °fH
- Plusquellec 12 °fH
- Plussulien 10.2 °fH
- Pont-Melvez 13 °fH
- Quemperven 9.6 °fH
- Quintenic 14 °fH
- Rouillac 10 °fH
- Ruca 13 °fH
- Runan 21 °fH
- Saint-Adrien 12 °fH
- Saint-André-des-Eaux 26 °fH
- Saint-Bihy 8.1 °fH
- Saint-Clet 8.5 °fH
- Saint-Connan 13 °fH
- Saint-Denoual 13 °fH
- Saint-Étienne-du-Gué-de-l'Isle 13.5 °fH
- Saint-Fiacre 12 °fH
- Saint-Gildas 9.3 °fH
- Saint-Gilles-les-Bois 17 °fH
- Saint-Gilles-Pligeaux 13 °fH
- Saint-Glen 11 °fH
- Saint-Hervé 13 °fH
- Saint-Igeaux 10 °fH
- Saint-Jouan-de-l'Isle 13 °fH
- Saint-Judoce 26 °fH
- Saint-Juvat 26 °fH
- Saint-Laurent 16.2 °fH
- Saint-Lormel 13 °fH
- Saint-Maden 19.5 °fH
- Saint-Maudan 13.5 °fH
- Saint-Mayeux 14 °fH
- Saint-Michel-en-Grève 15 °fH
- Saint-Nicodème 12 °fH
- Saint-Péver 12.5 °fH
- Saint-Pôtan 13 °fH
- Saint-Servais 12 °fH
- Saint-Trimoël 11.5 °fH
- Saint-Vran 12 °fH
- Sainte-Tréphine 10 °fH
- Senven-Léhart 13 °fH
- Squiffiec 11 °fH
- Trébrivan 9.6 °fH
- Trébry 11.5 °fH
- Tréduder 15 °fH
- Treffrin 11 °fH
- Tréfumel 26 °fH
- Trégonneau 10 °fH
- Trégrom 13 °fH
- Tréguidel 14 °fH
- Trémargat 12 °fH
- Trémel 13 °fH
- Tréméreuc 13 °fH
- Tréméven 17 °fH
- Tréogan 13 °fH
- Tressignaux 14 °fH
- Tréveneuc 14 °fH
- Trévérec 17 °fH
- Trévron 15 °fH
- Trézény 13.5 °fH
- Troguéry 21 °fH
- Yvias 16 °fH