Île-de-France

It depends on the town. 486 of 615 listed water systems in Île-de-France, France are low risk (79%).

• 486Low
• 105Medium
• 24High
• 0Critical

• AbleigesHigh risk
• AblisLow risk
• Ablon-sur-SeineLow risk
• AchèresLow risk
• Achères-la-ForêtLow risk
• AlfortvilleLow risk
• AndillyLow risk
• AndrésyLow risk
• AngervilleLow risk
• AngervilliersHigh risk
• Annet-sur-MarneMedium risk
• AntonyLow risk
• Arbonne-la-ForêtLow risk
• ArcueilLow risk
• ArgenteuilLow risk
• Armentières-en-BrieHigh risk
• ArnouvilleMedium risk
• ArpajonLow risk
• Asnières-sur-OiseLow risk
• Asnières-sur-SeineLow risk
• Athis-MonsLow risk
• AttainvilleLow risk
• AubergenvilleLow risk
• AubervilliersMedium risk
• AuffargisLow risk
• Aulnay-sous-BoisMedium risk
• Aulnay-sur-MauldreLow risk
• Auvers-Saint-GeorgesLow risk
• Auvers-sur-OiseLow risk
• AvonLow risk
• Bagneaux-sur-LoingMedium risk
• BagneuxLow risk
• BagnoletLow risk
• Baillet-en-FranceLow risk
• BaillyLow risk
• Bailly-RomainvilliersMedium risk
• BallainvilliersLow risk
• Ballancourt-sur-EssonneLow risk
• BarbizonLow risk
• BaulneLow risk
• BazainvilleLow risk
• BazemontLow risk
• BeauchampLow risk
• Beaumont-du-GâtinaisHigh risk
• Beaumont-sur-OiseHigh risk
• Belloy-en-FranceLow risk
• BennecourtLow risk
• Bernes-sur-OiseLow risk
• BessancourtLow risk
• BeynesLow risk
• BezonsLow risk
• BièvresLow risk
• BobignyMedium risk
• Bois-ColombesLow risk
• Bois-d'ArcyLow risk
• Bois-le-RoiLow risk
• Boissise-le-RoiLow risk
• Boissy-le-ChâtelLow risk
• Boissy-le-CuttéLow risk
• Boissy-Saint-LégerLow risk
• Boissy-sous-Saint-YonLow risk
• BondoufleLow risk
• BondyMedium risk
• BonnellesLow risk
• Bonneuil-sur-MarneLow risk
• Bonnières-sur-SeineLow risk
• BouafleLow risk
• BouffémontLow risk
• BougivalLow risk
• BouleursMedium risk
• Boulogne-BillancourtLow risk
• Bouray-sur-JuineLow risk
• Bourg-la-ReineLow risk
• Bourron-MarlotteLow risk
• Boussy-Saint-AntoineLow risk
• Boutigny-sur-EssonneLow risk
• Bray-sur-SeineLow risk
• BreuilletLow risk
• Brie-Comte-RobertLow risk
• Briis-sous-ForgesLow risk
• Brou-sur-ChantereineLow risk
• BrunoyLow risk
• Bruyères-le-ChâtelLow risk
• Bruyères-sur-OiseMedium risk
• Bry-sur-MarneLow risk
• Brétigny-sur-OrgeLow risk
• BrévalLow risk
• BucLow risk
• BuchelayLow risk
• BullionLow risk
• Bures-sur-YvetteLow risk
• Bussy-Saint-GeorgesMedium risk
• Butry-sur-OiseLow risk
• CachanLow risk
• Cannes-ÉcluseHigh risk
• Carrières-sous-PoissyLow risk
• Carrières-sur-SeineLow risk
• CergyLow risk
• Cernay-la-VilleLow risk
• CernyLow risk
• CessonLow risk
• Chailly-en-BièreLow risk
• Chailly-en-BrieLow risk
• ChalifertMedium risk
• Chalo-Saint-MarsLow risk
• ChamarandeLow risk
• ChambourcyLow risk
• ChamignyMedium risk
• Champagne-sur-OiseHigh risk
• Champagne-sur-SeineLow risk
• ChampcueilLow risk
• Champigny-sur-MarneLow risk
• ChamplanLow risk
• Champs-sur-MarneMedium risk
• Changis-sur-MarneMedium risk
• Chanteloup-en-BrieMedium risk
• Chanteloup-les-VignesLow risk
• ChapetLow risk
• Charenton-le-PontLow risk
• CharnyLow risk
• CharsLow risk
• ChartrettesMedium risk
• ChatouLow risk
• Chauconin-NeufmontiersMedium risk
• Chaumes-en-BrieLow risk
• ChaumontelLow risk
• ChavenayLow risk
• ChavilleLow risk
• ChellesLow risk
• Chennevières-sur-MarneLow risk
• CheptainvilleLow risk
• ChessyMedium risk
• ChevannesLow risk
• Chevilly-LarueLow risk
• ChevreuseLow risk
• Chevry-CossignyLow risk
• Chilly-MazarinLow risk
• Choisy-en-BrieLow risk
• Choisy-le-RoiLow risk
• Château-LandonLow risk
• ChâteaufortLow risk
• Châtenay-MalabryLow risk
• Châtenay-sur-SeineLow risk
• ChâtillonLow risk
• ClamartLow risk
• Claye-SouillyMedium risk
• ClichyLow risk
• Clichy-sous-BoisMedium risk
• CoignièresLow risk
• CollégienMedium risk
• ColombesLow risk
• Combs-la-VilleLow risk
• Conches-sur-GondoireMedium risk
• Condé-Sainte-LibiaireLow risk
• Condé-sur-VesgreLow risk
• Conflans-Sainte-HonorineLow risk
• Congis-sur-ThérouanneLow risk
• Corbeil-EssonnesLow risk
• CorbreuseLow risk
• Cormeilles-en-ParisisLow risk
• CoubertLow risk
• CoubronMedium risk
• Couilly-Pont-aux-DamesLow risk
• CoulommiersLow risk
• CoupvrayMedium risk
• CourbevoieLow risk
• CourdimancheLow risk
• CourpalayLow risk
• CourtryMedium risk
• CrespièresLow risk
• Croissy-BeaubourgMedium risk
• Croissy-sur-SeineLow risk
• CrosneLow risk
• Crouy-sur-OurcqLow risk
• Crégy-lès-MeauxMedium risk
• CréteilLow risk
• CélyLow risk
• Dammarie-les-LysLow risk
• Dammartin-en-GoëleMedium risk
• Dampierre-en-YvelinesLow risk
• DampmartMedium risk
• Deuil-la-BarreLow risk
• DomontLow risk
• Donnemarie-DontillyLow risk
• DoueLow risk
• DourdanHigh risk
• DrancyMedium risk
• DraveilLow risk
• DugnyMedium risk
• EaubonneLow risk
• EcquevillyLow risk
• Enghien-les-BainsLow risk
• EnneryLow risk
• ErmontLow risk
• EsblyLow risk
• FaremoutiersMedium risk
• FavièresLow risk
• Ferrières-en-BrieLow risk
• FeucherollesLow risk
• Fleury-MérogisLow risk
• Flins-sur-SeineLow risk
• Follainville-DennemontLow risk
• FontainebleauLow risk
• Fontenay-aux-RosesLow risk
• Fontenay-en-ParisisLow risk
• Fontenay-le-FleuryLow risk
• Fontenay-lès-BriisLow risk
• Fontenay-sous-BoisLow risk
• Fontenay-TrésignyLow risk
• Forges-les-BainsMedium risk
• FossesLow risk
• FranconvilleLow risk
• FreneuseLow risk
• FresnesLow risk
• FrépillonLow risk
• FublainesMedium risk
• Férolles-AttillyMedium risk
• GagnyMedium risk
• GalluisLow risk
• GambaisLow risk
• GarancièresLow risk
• GarchesLow risk
• GargenvilleLow risk
• Garges-lès-GonesseMedium risk
• GazeranLow risk
• GennevilliersLow risk
• GentillyLow risk
• Gif-sur-YvetteLow risk
• Gometz-la-VilleLow risk
• Gometz-le-ChâtelLow risk
• GonesseMedium risk
• GouaixMedium risk
• Gournay-sur-MarneMedium risk
• GoussainvilleLow risk
• GouvernesMedium risk
• Gretz-ArmainvilliersLow risk
• Grez-sur-LoingHigh risk
• GrignyLow risk
• Grisy-SuisnesLow risk
• GroslayLow risk
• GuermantesMedium risk
• GuervilleLow risk
• GuignesHigh risk
• GuyancourtLow risk
• GuérardMedium risk
• HardricourtLow risk
• HoudanLow risk
• HouillesLow risk
• HéricyLow risk
• IgnyLow risk
• IssouLow risk
• Issy-les-MoulineauxLow risk
• IttevilleLow risk
• Ivry-sur-SeineLow risk
• Janville-sur-JuineLow risk
• Joinville-le-PontLow risk
• JouarreMedium risk
• Jouars-PontchartrainLow risk
• Jouy-en-JosasLow risk
• Jouy-le-ChâtelHigh risk
• Jouy-le-MoutierLow risk
• Jouy-sur-MorinLow risk
• JuillyLow risk
• Juvisy-sur-OrgeLow risk
• JuziersLow risk
• Lagny-sur-MarneMedium risk
• LardyLow risk
• LeudevilleLow risk
• Leuville-sur-OrgeLow risk
• Levallois-PerretLow risk
• LieusaintLow risk
• LimayLow risk
• Limeil-BrévannesLow risk
• Limetz-VillezLow risk
• LimoursLow risk
• LinasLow risk
• LissesLow risk
• Liverdy-en-BrieLow risk
• Livry-GarganMedium risk
• Livry-sur-SeineLow risk
• Lizy-sur-OurcqHigh risk
• LognesMedium risk
• LongjumeauLow risk
• LongnesLow risk
• LongperrierMedium risk
• Longpont-sur-OrgeLow risk
• LonguevilleLow risk
• Lorrez-le-Bocage-PréauxHigh risk
• LouveciennesLow risk
• LouvresMedium risk
• Lumigny-Nesles-OrmeauxLow risk
• LuzarchesLow risk
• LésignyMedium risk
• Lévis-Saint-NomLow risk
• MaffliersLow risk
• MagnanvilleLow risk
• Magny-en-VexinLow risk
• Magny-le-HongreMedium risk
• Magny-les-HameauxLow risk
• MaincyLow risk
• Maisons-AlfortLow risk
• Maisons-LaffitteLow risk
• MaisseLow risk
• MalakoffLow risk
• Mandres-les-RosesLow risk
• Mantes-la-JolieLow risk
• Mantes-la-VilleLow risk
• MarcoussisLow risk
• Mareil-MarlyLow risk
• Mareil-sur-MauldreLow risk
• Mareuil-lès-MeauxMedium risk
• MargencyLow risk
• Marles-en-BrieLow risk
• Marly-la-VilleMedium risk
• Marly-le-RoiLow risk
• Marnes-la-CoquetteLow risk
• Marolles-en-HurepoixLow risk
• Marolles-sur-SeineHigh risk
• Mary-sur-MarneHigh risk
• MassyLow risk
• MauleLow risk
• MaurecourtLow risk
• MaurepasLow risk
• MeauxMedium risk
• MelunLow risk
• MennecyLow risk
• MenucourtLow risk
• MeudonLow risk
• Meulan-en-YvelinesLow risk
• Milly-la-ForêtMedium risk
• Mitry-MoryMedium risk
• Moigny-sur-ÉcoleLow risk
• MoisenayLow risk
• MoissellesLow risk
• Moissy-CramayelLow risk
• Montereau-Fault-YonneLow risk
• MontessonLow risk
• MontfermeilMedium risk
• MontgeronLow risk
• MonthyonLow risk
• Montigny-le-BretonneuxLow risk
• Montigny-LencoupHigh risk
• Montigny-lès-CormeillesLow risk
• Montigny-sur-LoingLow risk
• MontlhéryLow risk
• MontlignonLow risk
• MontmagnyLow risk
• MontmorencyLow risk
• MontreuilLow risk
• MontrougeLow risk
• MontryLow risk
• MontsoultLow risk
• MontévrainMedium risk
• MorainvilliersLow risk
• MorangisLow risk
• Morigny-ChampignyLow risk
• MormantLow risk
• Morsang-sur-OrgeLow risk
• MortcerfLow risk
• MourouxMedium risk
• MoursLow risk
• Moussy-le-NeufHigh risk
• Moussy-le-VieuxLow risk
• MédanLow risk
• MérielLow risk
• Méry-sur-OiseLow risk
• MéréLow risk
• Mézières-sur-SeineLow risk
• Mézy-sur-SeineLow risk
• NandyLow risk
• NangisLow risk
• NanterreLow risk
• Nanteuil-lès-MeauxMedium risk
• Neauphle-le-ChâteauLow risk
• NemoursMedium risk
• Nesles-la-ValléeLow risk
• Neufmoutiers-en-BrieLow risk
• Neuilly-PlaisanceMedium risk
• Neuilly-sur-MarneMedium risk
• Neuilly-sur-SeineLow risk
• Neuville-sur-OiseLow risk
• Nogent-sur-MarneLow risk
• NoiseauLow risk
• NoisielMedium risk
• Noisy-le-GrandMedium risk
• Noisy-le-RoiLow risk
• Noisy-le-SecMedium risk
• Noisy-sur-ÉcoleLow risk
• NozayLow risk
• Oinville-sur-MontcientLow risk
• OisseryLow risk
• OllainvilleLow risk
• OrgerusLow risk
• OrgevalLow risk
• OrlyLow risk
• Ormesson-sur-MarneLow risk
• OrmoyLow risk
• OrsayLow risk
• OsnyLow risk
• OthisLow risk
• Ozoir-la-FerrièreMedium risk
• Ozouer-le-VoulgisLow risk
• PalaiseauLow risk
• PantinLow risk
• Paray-Vieille-PosteLow risk
• ParisLow risk
• ParmainHigh risk
• PersanHigh risk
• PerthesLow risk
• Pierrefitte-sur-SeineMedium risk
• PierrelayeLow risk
• PlaisirLow risk
• PoissyLow risk
• PommeuseMedium risk
• PomponneMedium risk
• Pontault-CombaultLow risk
• PontcarréMedium risk
• PontoiseLow risk
• PorchevilleLow risk
• Presles-en-BrieLow risk
• PringyLow risk
• ProvinsMedium risk
• Puiseux-en-FranceLow risk
• PussayLow risk
• PuteauxLow risk
• PérignyLow risk
• Quincy-sous-SénartLow risk
• Quincy-VoisinsLow risk
• RambouilletMedium risk
• RebaisLow risk
• Ris-OrangisLow risk
• Roissy-en-BrieMedium risk
• Roissy-en-FranceMedium risk
• RomainvilleMedium risk
• Rosny-sous-BoisMedium risk
• Rosny-sur-SeineLow risk
• Rozay-en-BrieLow risk
• RubellesLow risk
• Rueil-MalmaisonLow risk
• RungisLow risk
• SaclasLow risk
• SaclayLow risk
• SagyHigh risk
• Saint-Arnoult-en-YvelinesLow risk
• Saint-AugustinHigh risk
• Saint-Brice-sous-ForêtLow risk
• Saint-ChéronLow risk
• Saint-CloudLow risk
• Saint-Cyr-l'ÉcoleLow risk
• Saint-Cyr-sous-DourdanHigh risk
• Saint-Cyr-sur-MorinLow risk
• Saint-DenisMedium risk
• Saint-Fargeau-PonthierryLow risk
• Saint-Germain-de-la-GrangeLow risk
• Saint-Germain-en-LayeLow risk
• Saint-Germain-LavalMedium risk
• Saint-Germain-lès-ArpajonLow risk
• Saint-Germain-lès-CorbeilLow risk
• Saint-Germain-sur-MorinLow risk
• Saint-GratienLow risk
• Saint-Jean-les-Deux-JumeauxMedium risk
• Saint-Leu-la-ForêtLow risk
• Saint-Léger-en-YvelinesLow risk
• Saint-MammèsMedium risk
• Saint-MandéLow risk
• Saint-MardLow risk
• Saint-Martin-du-TertreLow risk
• Saint-Maur-des-FossésLow risk
• Saint-MauriceLow risk
• Saint-Maurice-MontcouronneLow risk
• Saint-Michel-sur-OrgeLow risk
• Saint-Nom-la-BretêcheLow risk
• Saint-OuenMedium risk
• Saint-Ouen-l'AumôneLow risk
• Saint-PathusLow risk
• Saint-Pierre-du-PerrayLow risk
• Saint-Pierre-lès-NemoursMedium risk
• Saint-PrixLow risk
• Saint-Rémy-lès-ChevreuseLow risk
• Saint-Sauveur-sur-ÉcoleLow risk
• Saint-SouppletsLow risk
• Saint-Thibault-des-VignesMedium risk
• Saint-VrainLow risk
• Saint-WitzLow risk
• Sainte-ColombeMedium risk
• Sainte-Geneviève-des-BoisLow risk
• Saintry-sur-SeineLow risk
• SalinsMedium risk
• SammeronMedium risk
• Samois-sur-SeineLow risk
• SamoreauLow risk
• SannoisLow risk
• SantenyLow risk
• SarcellesLow risk
• SartrouvilleLow risk
• Saulx-les-ChartreuxLow risk
• Savigny-le-TempleLow risk
• Savigny-sur-OrgeLow risk
• Saâcy-sur-MarneLow risk
• SceauxLow risk
• Seine-PortLow risk
• SepteuilLow risk
• SeraincourtLow risk
• SerrisMedium risk
• ServonLow risk
• SeugyLow risk
• SevranMedium risk
• Soignolles-en-BrieLow risk
• Soisy-sous-MontmorencyLow risk
• Soisy-sur-SeineLow risk
• Soisy-sur-ÉcoleLow risk
• SolersLow risk
• SonchampLow risk
• Souppes-sur-LoingLow risk
• SourdunMedium risk
• StainsMedium risk
• Sucy-en-BrieLow risk
• SuresnesLow risk
• SurvilliersLow risk
• SèvresLow risk
• TacoignièresLow risk
• TavernyLow risk
• ThiaisLow risk
• Thiverval-GrignonLow risk
• ThoiryLow risk
• ThomeryLow risk
• Thorigny-sur-MarneMedium risk
• TigeryLow risk
• TorcyMedium risk
• TouquinLow risk
• Tournan-en-BrieLow risk
• TrappesLow risk
• Tremblay-en-FranceLow risk
• Triel-sur-SeineLow risk
• TrilportLow risk
• UsHigh risk
• Vaires-sur-MarneLow risk
• ValentonLow risk
• ValmondoisLow risk
• VanvesLow risk
• Varennes-JarcyLow risk
• Varennes-sur-SeineMedium risk
• VarreddesLow risk
• VaucressonLow risk
• VaugrigneuseMedium risk
• VauhallanLow risk
• VaujoursMedium risk
• VauréalLow risk
• Vaux-le-PénilLow risk
• Vaux-sur-SeineLow risk
• Verneuil-sur-SeineLow risk
• Vernou-la-Celle-sur-SeineLow risk
• VernouilletLow risk
• Verrières-le-BuissonLow risk
• VersaillesLow risk
• Vert-le-GrandLow risk
• Vert-le-PetitLow risk
• Vert-Saint-DenisLow risk
• ViarmesLow risk
• Vigneux-sur-SeineLow risk
• VignyHigh risk
• VillabéLow risk
• Ville-d'AvrayLow risk
• Villebon-sur-YvetteLow risk
• VillecresnesLow risk
• VillejuifLow risk
• VillejustLow risk
• Villemoisson-sur-OrgeLow risk
• VillemombleMedium risk
• Villeneuve-la-GarenneLow risk
• Villeneuve-le-ComteLow risk
• Villeneuve-le-RoiLow risk
• Villeneuve-Saint-GeorgesMedium risk
• Villeneuve-sur-BellotLow risk
• Villennes-sur-SeineLow risk
• VillenoyMedium risk
• VilleparisisLow risk
• VillepinteLow risk
• VillepreuxLow risk
• VilletaneuseLow risk
• VillevaudéMedium risk
• Villiers-le-BelLow risk
• Villiers-le-BâcleLow risk
• Villiers-Saint-FrédericLow risk
• Villiers-Saint-GeorgesMedium risk
• Villiers-sur-MarneLow risk
• Villiers-sur-MorinMedium risk
• Villiers-sur-OrgeLow risk
• VincennesLow risk
• ViroflayLow risk
• Viry-ChâtillonLow risk
• Vitry-sur-SeineLow risk
• VoisenonLow risk
• Voisins-le-BretonneuxLow risk
• VoulangisMedium risk
• VoulxLow risk
• Vulaines-sur-SeineLow risk
• Vélizy-VillacoublayLow risk
• VémarsLow risk
• WissousLow risk
• YerresLow risk
• ÉcouenLow risk
• ÉglyLow risk
• ÉgrevilleLow risk
• ÉlancourtLow risk
• ÉmerainvilleMedium risk
• Épinay-sous-SénartLow risk
• Épinay-sur-OrgeLow risk
• Épinay-sur-SeineLow risk
• ÉpôneLow risk
• ÉragnyLow risk
• ÉtampesLow risk
• ÉtiollesLow risk
• ÉtréchyLow risk
• ÉzanvilleLow risk

Covers communes of roughly 1,000 people or more. Ratings weigh how many bacterial and chemical tests passed. A single failed test does not by itself lower a rating. Hardness is the median measured this year, in French degrees.