Water Hardness Atlas ZIP / postcode

Tap water hardness in Gironde

We have published hardness data for 534 cities in Gironde. The median is 17.5 °fH; the hardest water is in Cauvignac (42.4 °fH), the softest in Villandraut (7.3 °fH).

86 % 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
Cadillac-sur-Garonne35.2352very hard
Saint-Macaire34.9349very hard
Carignan-de-Bordeaux33.1331very hard
Latresne33.1331very hard
Cénac33.1331very hard
Langoiran31.6316very hard
Arsac30.7307very hard
Margaux-Cantenac30.7307very hard
La Brède29.5295very hard
Portets29.4294very hard
Beautiran29.4294very hard
Castres-Gironde29.4294very hard
Roaillan28.9289very hard
Sauveterre-de-Guyenne28.6286very hard
Blanquefort27.8278very hard
Bruges25.9259very hard
Parempuyre25250very hard
Cenon24.7247very hard
Lormont24.7247very hard
Saint-Maixant24.1241very hard
Targon23.9239very hard
Floirac23.4234very hard
Saint-Selve23.4234very hard
Bouliac23.2232very hard
Eysines23.1231very hard
Artigues-près-Bordeaux23230very hard
Tresses23230very hard
Montussan23230very hard
Pompignac23230very hard
Yvrac23230very hard
Bordeaux22.2222very hard
Cussac-Fort-Médoc22220very hard
Créon21.3213very hard
Le Bouscat21.2212very hard
Le Haillan21.2212very hard
Bazas21.1211very hard
Martillac20.9209very hard
Landiras20.6206very hard
Cérons20.6206very hard
Cissac-Médoc20.6206very hard
Podensac20.5205very hard
Sadirac20.4204very hard
Saint-Sulpice-et-Cameyrac20.4204very hard
Saint-Laurent-Médoc20.4204very hard
Fargues-Saint-Hilaire20.4204very hard
Sallebœuf20.4204very hard
Beychac-et-Caillau20.4204very hard
Mérignac20.2202very hard
La Réole20200very hard
Saint-Loubès19.8198very hard
Bassens19.8198very hard
Carbon-Blanc19.8198very hard
Sainte-Eulalie19.8198very hard
Le Pian-Médoc19.5195very hard
Bègles19.1191very hard
Saint-Caprais-de-Bordeaux19.1191very hard
Cambes19.1191very hard
Pessac19190very hard
Gradignan18.3183very hard
Ambarès-et-Lagrave18.2182very hard
Gaillan-en-Médoc18.2182very hard
Izon18.1181very hard
Ludon-Médoc18.1181very hard
Vayres18.1181very hard
Macau18.1181very hard
Saint-Quentin-de-Baron18.1181very hard
Saint-Germain-du-Puch18.1181very hard
Arveyres18.1181very hard
Génissac18.1181very hard
Le Taillan-Médoc17.9179hard
Saint-Aubin-de-Médoc17.9179hard
Sainte-Hélène17.9179hard
Vendays-Montalivet17.9179hard
Pauillac17.7177hard
Talence17.6176hard
Canéjan17.5175hard
Cabanac-et-Villagrains17.4174hard
Saint-Médard-en-Jalles17170hard
Libourne16.8168hard
Castelnau-de-Médoc16.7167hard
Pineuilh16.7167hard
Avensan16.7167hard
Listrac-Médoc16.7167hard
Sainte-Foy-la-Grande16.7167hard
Moulis-en-Médoc16.7167hard
Villenave-d'Ornon16.5165hard
Castillon-la-Bataille16.2162hard
Saint-Magne-de-Castillon16.2162hard
Sainte-Terre16.2162hard
Camblanes-et-Meynac15.9159hard
Quinsac15.9159hard
Saucats15.6156hard
Coutras15.1151hard
Hourtin14.8148hard
Soulac-sur-Mer14.8148hard
Les Églisottes-et-Chalaures14.4144hard
Saint-Jean-d'Illac14.3143hard
Saint-Seurin-sur-l'Isle14.2142hard
Saint-Médard-de-Guizières14.2142hard
Abzac14.2142hard
Langon14140hard
Marcheprime13.5135hard
Martignas-sur-Jalle13.4134hard
Pugnac13.4134hard
Bourg13.4134hard
Lesparre-Médoc13.2132hard
Belin-Béliet12.7127hard
Carcans12.7127hard
Saint-Symphorien12.6126hard
Salles12.5125hard
Saint-André-de-Cubzac12.4124hard
Lacanau12.4124hard
Val de Virvée12.4124hard
Galgon12.4124hard
Cézac12.4124hard
Cubzac-les-Ponts12.4124hard
Cavignac12.4124hard
La Lande-de-Fronsac12.4124hard
Peujard12.4124hard
Cubnezais12.4124hard
Saint-Gervais12.4124hard
Saint-Médard-d'Eyrans12.2122hard
Le Barp12120hard
Cestas11.9119moderately hard
Toulenne11.9119moderately hard
Preignac11.9119moderately hard
Barsac11.9119moderately hard
Le Porge10.9109moderately hard
Saint-Denis-de-Pile10.8108moderately hard
Ambès10.7107moderately hard
Saint-Louis-de-Montferrand10.7107moderately hard
Saint-Savin10.6106moderately hard
Saint-Ciers-sur-Gironde10.6106moderately hard
Laruscade10.6106moderately hard
Saint-Yzan-de-Soudiac10.6106moderately hard
Saint-Christoly-de-Blaye10.6106moderately hard
Berson10.6106moderately hard
Andernos-les-Bains10.5105moderately hard
Biganos10.3103moderately hard
Blaye9.999moderately hard
Audenge9.898moderately hard
Arès9.898moderately hard
Lanton9.797moderately hard
Lège-Cap-Ferret9.696moderately hard
Léognan8.989moderately hard
Cadaujac8.989moderately hard
La Teste-de-Buch8.484moderately hard
Gujan-Mestras8.484moderately hard
Arcachon8.484moderately hard
Le Teich8.484moderately hard

Other places (384)

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