{"schemaVersion":2,"id":"be-52012","communeId":"52012","name":"Châtelet","slug":"chatelet-52012","country":"be","region":"Wallonie","supplier":"SWDE","networks":[{"code":"ZW1110","name":"ZW1110 (SWDE)"},{"code":"ZW1163","name":"ZW1163 (SWDE)"},{"code":"ZW18126","name":"ZW18126 (SWDE)"},{"code":"ZW18301","name":"ZW18301 (SWDE)"}],"latestSampleDate":"2025-12-17T00:00:00Z","conformity":{"conclusion":null,"bacteriological":"unknown","chemical":"unknown"},"source":{"name":"SPW-ARNE / SWDE – Etat des lieux du monitoring PFAS dans les eaux distribuées (sept. 2023 – déc. 2025)","url":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","license":null,"kind":"open_data_file","verified":true,"retrievedAt":"2026-09-28T11:50:09.229Z","note":"Résultats du monitoring PFAS des eaux distribuées (SPW-ARNE, coordination SWDE), une ligne par prélèvement et zone de distribution (ZDE) ; la commune est desservie par 4 zones (ZW1110, ZW1163, ZW18126, ZW18301). Valeurs publiées en ng/L, converties en µg/L ; un « < » indique que tous les composés étaient sous la limite de quantification. Licence de réutilisation non vérifiée pour ce document (les données ouvertes du SPW sont normalement CC BY 4.0) ; attribution SPW-ARNE et SWDE en attendant confirmation."},"pfas":{"status":"measured","sum20":{"value":0.0073,"valueText":"0,0073","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-17T00:00:00Z","sampleId":"ZW1163:2025-12-17"},"pfas4":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-17T00:00:00Z","sampleId":"ZW1163:2025-12-17"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"name":"PFOA","valueText":"<0,001","unit":"µg/L"},{"name":"PFHpA","valueText":"<0,001","unit":"µg/L"},{"name":"PFNA","valueText":"<0,001","unit":"µg/L"},{"name":"PFDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFUnDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFDoDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFTrDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFPeS","valueText":"<0,001","unit":"µg/L"},{"name":"PFHpS","valueText":"<0,001","unit":"µg/L"},{"name":"PFNS","valueText":"<0,001","unit":"µg/L"},{"name":"PFDS","valueText":"<0,001","unit":"µg/L"},{"name":"PFUnDS","valueText":"<0,001","unit":"µg/L"},{"name":"PFDoDS","valueText":"<0,001","unit":"µg/L"},{"name":"PFTrDS","valueText":"<0,001","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":"ZW1163:2025-12-17","date":"2025-12-17","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0073,"valueText":"0,0073","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"d02e951d40c9a9a3ffd104bf9bbfb3365526e0259950238c1ba212aa3c6974a6"},{"id":"ZW1163:2025-12-16","date":"2025-12-16","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.006,"valueText":"0,006","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"88023b47677b27ceab176b8d975e7fac5912c13cfb15d6777c3071a4911da3d1"},{"id":"ZW1163:2025-12-16#2","date":"2025-12-16","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0044,"valueText":"0,0044","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"b33ad4ffc206f24c8e77f193bc2259330304a255ed10f8bcbdae8ffc878f10b1"},{"id":"ZW1163:2025-11-17","date":"2025-11-17","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0054,"valueText":"0,0054","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0024,"valueText":"0,0024","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"a86b9866358845cb2e92419b12cd111cb7849ca7e35c12317326467cdc96643a"},{"id":"ZW1163:2025-09-24","date":"2025-09-24","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0053,"valueText":"0,0053","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0014,"valueText":"0,0014","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"82c08637df66caabe6a2d1ac5178af64465bb152ecfb912fc262a4c678b8f88e"},{"id":"ZW1110:2025-09-04","date":"2025-09-04","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1110"],"sum20":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"85c0ed15aa5da79bbd1a16a5059bbedb436a98eb8ba3b0798c4ca992a828c640"},{"id":"ZW1163:2025-08-28","date":"2025-08-28","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0056,"valueText":"0,0056","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"e2fefe0e3d72075d2ff9074722677c9be199738eb795b508f14049c7224fb45f"},{"id":"ZW1163:2025-07-28","date":"2025-07-28","commune":"52012","communeName":"Châtelet","sourceUrl":"https://environnement.wallonie.be/home/gest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