{"schemaVersion":2,"id":"fr-91286","communeId":"91286","name":"Grigny","slug":"grigny-91286","country":"fr","region":"Île-de-France","supplier":"REGIE DE L'EAU GRAND PARIS SUD","networks":[{"code":"091003852","name":"GRIGNY TTP VIRY"}],"latestSampleDate":"2026-07-10T10:16:00Z","conformity":{"conclusion":"Eau conforme pour tous les paramètres à l'exception de la température, qui est supérieure à la norme. Lors de ce phénomène saisonnier, le gestionnaire doit être vigilant sur le taux de chlore afin d'éviter la prolifération microbienne sur le réseau.","bacteriological":"conform","chemical":"conform"},"source":{"name":"Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM)","url":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_commune=91286","license":"Licence Ouverte / Open Licence (Etalab)","kind":"api","verified":true,"retrievedAt":"2026-09-21T10:55:21.508Z","note":null},"pfas":{"status":"measured","sum20":{"value":0.004,"valueText":"0,004","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2026-06-22T11:16:00Z","sampleId":"09100207204"},"pfas4":{"value":0.004,"valueText":"0.004","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2026-06-22T11:16:00Z","sampleId":"09100207204"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":{"commune":"91687","name":"Viry-Châtillon","network":"091003852"},"qualifiers":[{"name":"Acide perfluorododécane sulfonique (PFDoDS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluorododécanoique (PFDoDA)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide sulfonique de perfluorobutane (PFBS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluorobutanoïque (PFBA)","valueText":"<0,005","unit":"µg/L"},{"name":"Acide perfluoro-nonanoïque (PFNA)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoro undecanoïque (PFUnA)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluorodecane sulfonique (PFDS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoropentanoïque (PFPEA)","valueText":"<0,005","unit":"µg/L"},{"name":"Acide perfluoro-decanoïque (PFDA)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoro-octanoïque (PFOA)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoropentane sulfonique (PFPS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluorohexanoïque (PFHXA)","valueText":"<0,005","unit":"µg/L"},{"name":"Acide perfluoro tridecane sulfonique (PFTrDS)","valueText":"<0,005","unit":"µg/L"},{"name":"Acide perfluoro undecane sulfonique (PFUnDS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluorononane sulfonique (PFNS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoroheptane sulfonique (PFHpS)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoroheptanoïque (PFHPA)","valueText":"<0,002","unit":"µg/L"},{"name":"Acide perfluoro tridecanoique (PFTrDA)","valueText":"<0,002","unit":"µg/L"}],"comparison":{"proposed":{"value":0.0005,"period":"annual_mean","official":false,"state":"over"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"09100207204","date":"2026-06-22","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100207204&size=2000","networks":["091003852"],"sum20":{"value":0.004,"valueText":"0,004","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.004,"valueText":"0.004","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"}]},"revision":"6516f8db8c05ff8aa0f0620e8d996759ebf9f8862cd79f3a1cb1f00ff0137ec7"},{"id":"09100206663","date":"2026-05-19","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100206663&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"03a7c73f12d159cfbd3fb4c0b2ead628889cd53cc2abf292707cc88f43f5ece7"},{"id":"09100206131","date":"2026-04-15","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100206131&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"2dfff77a1db8467aab8ba86a8178b616cd3353f345519dc11e1988db41fca3a7"},{"id":"09100205785","date":"2026-03-05","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100205785&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"d76790f42dff5cd2be8f425ad3db405b93ff221f0456a686396a7f760f19925b"},{"id":"09100205577","date":"2026-02-17","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100205577&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"b39cea6bae43fdc86c9182c814673c8d0f37091de428e25dea9bd8f5b7107db2"},{"id":"09100204720","date":"2025-11-27","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100204720&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"5977b39719cf34778cef20c45b8e0a92b3899310b4897c175d9a73b339a0aa0e"},{"id":"09100203857","date":"2025-09-16","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100203857&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"c27509f6eeca047eafbb784940ffa170dceec3ca156c4a6d1d6ad2766482c556"},{"id":"09100203121","date":"2025-07-07","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100203121&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"accf97b8bec02201b9d0ca6422b460630cabf9769f31cc91a4ba907fe50b0746"},{"id":"09100202241","date":"2025-05-13","commune":"91687","communeName":"Viry-Châtillon","sourceUrl":"https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_prelevement=09100202241&size=2000","networks":["091003852"],"sum20":{"value":null,"valueText":"<0,005","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":true,"origin":"calculated","upperBound":0.008,"qualifiers":[{"name":"PFOA","valueText":"<0,002","unit":"µg/L"},{"name":"PFOS","valueText":"<0,002","unit":"µg/L"},{"name":"PFNA","valueText":"<0,002","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,002","unit":"µg/L"}]},"revision":"1d3dbd2e49f07cdfc515bc56ad28fc5339cce5f8f5283b97e3ee34060f3cd698"}],"revision":"f604ffae7f6da07a0265df8e259f7f9385176bada6f003705f76bbe3a86ca032"}