Tap water hardness in Hauts-de-Seine
We have published hardness data for 36 cities in Hauts-de-Seine. The median is 24.1 °fH; the hardest water is in Clichy (27.8 °fH), the softest in Suresnes (17.5 °fH).
100 % of these cities have hard or very hard water (over 120 mg/L).
Cities in Hauts-de-Seine, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Clichy | 27.8 | 278 | very hard |
| Levallois-Perret | 27.8 | 278 | very hard |
| Antony | 24.1 | 241 | very hard |
| Bagneux | 24.1 | 241 | very hard |
| Boulogne-Billancourt | 24.1 | 241 | very hard |
| Bourg-la-Reine | 24.1 | 241 | very hard |
| Châtenay-Malabry | 24.1 | 241 | very hard |
| Châtillon | 24.1 | 241 | very hard |
| Chaville | 24.1 | 241 | very hard |
| Clamart | 24.1 | 241 | very hard |
| Fontenay-aux-Roses | 24.1 | 241 | very hard |
| Issy-les-Moulineaux | 24.1 | 241 | very hard |
| Le Plessis-Robinson | 24.1 | 241 | very hard |
| Malakoff | 24.1 | 241 | very hard |
| Meudon | 24.1 | 241 | very hard |
| Montrouge | 24.1 | 241 | very hard |
| Puteaux | 24.1 | 241 | very hard |
| Sceaux | 24.1 | 241 | very hard |
| Sèvres | 24.1 | 241 | very hard |
| Vanves | 24.1 | 241 | very hard |
| Garches | 18.4 | 184 | very hard |
| Marnes-la-Coquette | 18.4 | 184 | very hard |
| Saint-Cloud | 18.4 | 184 | very hard |
| Vaucresson | 18.4 | 184 | very hard |
| Ville-d'Avray | 18.4 | 184 | very hard |
| Gennevilliers | 18 | 180 | very hard |
| Villeneuve-la-Garenne | 18 | 180 | very hard |
| Asnières-sur-Seine | 17.8 | 178 | hard |
| Neuilly-sur-Seine | 17.8 | 178 | hard |
| Bois-Colombes | 17.5 | 175 | hard |
| Colombes | 17.5 | 175 | hard |
| Courbevoie | 17.5 | 175 | hard |
| La Garenne-Colombes | 17.5 | 175 | hard |
| Nanterre | 17.5 | 175 | hard |
| Rueil-Malmaison | 17.5 | 175 | hard |
| Suresnes | 17.5 | 175 | hard |