Water Hardness Atlas ZIP / postcode

Tap water hardness in Oise

We have published hardness data for 637 cities in Oise. The median is 32.8 °fH; the hardest water is in Vez (64.2 °fH), the softest in Villers-Saint-Sépulcre (14.6 °fH).

100 % 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
Le Plessis-Belleville50500very hard
Lagny-le-Sec50500very hard
Silly-le-Long50500very hard
Guiscard49.4494very hard
Ver-sur-Launette44.7447very hard
Villers-sur-Coudun44.2442very hard
Ermenonville44.2442very hard
Lassigny43.2432very hard
Thiers-sur-Thève43430very hard
Coye-la-Forêt42.6426very hard
Orry-la-Ville42.6426very hard
La Chapelle-en-Serval42.6426very hard
Chiry-Ourscamp42.6426very hard
Liancourt42.5425very hard
Laigneville42.5425very hard
Cauffry42.5425very hard
Rantigny42.5425very hard
Monchy-Saint-Éloi42.5425very hard
Mogneville42.5425very hard
Bailleval42.5425very hard
Ressons-sur-Matz42.2422very hard
Cuise-la-Motte41.8418very hard
Trosly-Breuil41.8418very hard
Plailly41.8418very hard
Boissy-Fresnoy40.8408very hard
Béthisy-Saint-Pierre40.7407very hard
Péroy-les-Gombries40.6406very hard
Morienval40.1401very hard
Bonneuil-en-Valois40.1401very hard
Senlis39.9399very hard
Thourotte39.9399very hard
Longueil-Annel39.9399very hard
Lacroix-Saint-Ouen39.8398very hard
Saint-Sauveur39.7397very hard
Saintines39.7397very hard
Pierrefonds39.6396very hard
Ribécourt-Dreslincourt39390very hard
Cambronne-lès-Ribécourt39390very hard
Compiègne37.9379very hard
Crépy-en-Valois37.7377very hard
Tracy-le-Mont37.7377very hard
Verneuil-en-Halatte37.6376very hard
Nanteuil-le-Haudouin37.5375very hard
Tricot36.9369very hard
Betz36.8368very hard
Saint-Sulpice36.4364very hard
Grandfresnoy35.1351very hard
Lamorlaye34.8348very hard
Estrées-Saint-Denis34.8348very hard
Catenoy34.8348very hard
Clairoix34.7347very hard
Amblainville34.5345very hard
Wavignies34.3343very hard
Pontpoint34.2342very hard
Chaumont-en-Vexin34.2342very hard
Venette34.2342very hard
Mareuil-sur-Ourcq34.2342very hard
Le Plessis-Brion34.2342very hard
Montmacq34.2342very hard
Saint-Leu-d'Esserent33.7337very hard
Précy-sur-Oise33.7337very hard
Villers-sous-Saint-Leu33.7337very hard
Blaincourt-lès-Précy33.7337very hard
Warluis33.6336very hard
Gouvieux33.5335very hard
Esches33.5335very hard
Lormaison33.5335very hard
Villeneuve-les-Sablons33.5335very hard
Pont-Sainte-Maxence33.4334very hard
Chambly33.4334very hard
Bornel33.4334very hard
Neuilly-en-Thelle33.4334very hard
Le Mesnil-en-Thelle33.4334very hard
Ercuis33.4334very hard
Saint-Crépin-Ibouvillers33.4334very hard
Crouy-en-Thelle33.4334very hard
Boran-sur-Oise33.3333very hard
Coudun33.3333very hard
Choisy-au-Bac33.2332very hard
Allonne33.2332very hard
Laversines33.2332very hard
Saint-Vaast-lès-Mello33.2332very hard
Therdonne33.2332very hard
Saint-Maximin33.1331very hard
Chantilly33330very hard
Vineuil-Saint-Firmin33330very hard
Laboissière-en-Thelle32.9329very hard
Crèvecœur-le-Grand32.8328very hard
Fleurines32.8328very hard
Saint-Paul32.8328very hard
Goincourt32.8328very hard
Avrechy32.8328very hard
Saint-Martin-le-Nœud32.8328very hard
Méru32.6326very hard
Trie-Château32.6326very hard
Bresles32.5325very hard
Tillé32.5325very hard
Andeville32.2322very hard
Chevrières32.2322very hard
Attichy32.2322very hard
Saint-Martin-Longueau32.2322very hard
Les Ageux32.2322very hard
Sacy-le-Grand32.1321very hard
Beauvais31.9319very hard
Saint-Omer-en-Chaussée31.9319very hard
Ravenel31.9319very hard
Maignelay-Montigny31.8318very hard
Marseille-en-Beauvaisis31.8318very hard
Formerie31.6316very hard
Ansauvillers31.6316very hard
Carlepont31.5315very hard
Feuquières31.5315very hard
Breteuil31.1311very hard
Auneuil30.9309very hard
Lachapelle-aux-Pots30.9309very hard
Ons-en-Bray30.9309very hard
Saint-Aubin-en-Bray30.9309very hard
Grandvilliers30.8308very hard
Ponchon30.8308very hard
Songeons30.6306very hard
Milly-sur-Thérain30.4304very hard
Troissereux30.4304very hard
Margny-lès-Compiègne30.3303very hard
Cires-lès-Mello30.1301very hard
Noailles30300very hard
Brenouille29.9299very hard
Rieux29.9299very hard
Cinqueux29.9299very hard
Angicourt29.9299very hard
Ully-Saint-Georges29.2292very hard
Cauvigny29.2292very hard
Verberie29290very hard
Sérifontaine28.6286very hard
Tracy-le-Val28.6286very hard
Sainte-Geneviève28.2282very hard
Saint-Germer-de-Fly26.8268very hard
Montchevreuil25.5255very hard
Mouy25.4254very hard
Bury25.4254very hard
Balagny-sur-Thérain25.4254very hard
Angy25.4254very hard
Noyon22220very hard
Longueil-Sainte-Marie20.7207very hard
Remy20.1201very hard
Jaux19.4194very hard
Le Meux19.4194very hard
Jouy-sous-Thelle19.4194very hard
Hermes14.6146hard
Bailleul-sur-Thérain14.6146hard
Berthecourt14.6146hard

Other places (487)

All cities in France →