{"schemaVersion":2,"id":"be-61019","communeId":"61019","name":"Ferrières","slug":"ferrieres-61019","country":"be","region":"Wallonie","supplier":"SWDE","networks":[{"code":"ZW1031","name":"ZW1031 (SWDE)"},{"code":"ZW1056","name":"ZW1056 (SWDE)"},{"code":"ZW18308","name":"ZW18308 (SWDE)"}],"latestSampleDate":"2025-11-27T00:00:00Z","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 3 zones (ZW1031, ZW1056, ZW18308). 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":null,"valueText":"<0,023","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-27T00:00:00Z","sampleId":"ZW1056:2025-11-27","nonDetect":true,"upperBound":0.023},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-27T00:00:00Z","sampleId":"ZW1056:2025-11-27","nonDetect":true,"upperBound":0.004},"pfas4DetectedCount":0,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"name":"PFOA","valueText":"<0,001","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,001","unit":"µg/L"},{"name":"PFHxA","valueText":"<0,001","unit":"µg/L"},{"name":"PFHpA","valueText":"<0,001","unit":"µg/L"},{"name":"PFBA","valueText":"<0,001","unit":"µg/L"},{"name":"PFPeA","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":"<0,0015","unit":"µg/L"},{"name":"PFTrDA","valueText":"<0,0015","unit":"µg/L"},{"name":"PFBS","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":"<0,0015","unit":"µg/L"},{"name":"PFUnDS","valueText":"<0,0015","unit":"µg/L"},{"name":"PFDoDS","valueText":"<0,0015","unit":"µg/L"},{"name":"PFTrDS","valueText":"<0,0015","unit":"µg/L"}],"comparison":{"proposed":{"value":0.0005,"period":"annual_mean","official":false,"state":"inconclusive"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZW1056:2025-11-27","date":"2025-11-27","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1056"],"sum20":{"value":null,"valueText":"<0,023","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"d28e3fb9a871ef879c517e264e2a2b00bef5d30578c649e6ea3df6877fb85a98"},{"id":"ZW1031:2025-03-10","date":"2025-03-10","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1031"],"sum20":{"value":null,"valueText":"<0,021","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"2df983f4f5161c60a8344db365b4adc3e87133517e7f509beba3b8fd08457f2c"},{"id":"ZW1056:2025-03-10","date":"2025-03-10","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1056"],"sum20":{"value":null,"valueText":"<0,027","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"c57ca013c522608066a9e519b539a7e6cf11c2dfe4b3637c16630298155d3fde"},{"id":"ZW18308:2025-03-03","date":"2025-03-03","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW18308"],"sum20":{"value":null,"valueText":"<0,026","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"3154ca9cd27289eb9aa7d3d95abbf74df31dd29ed21e80c97e43987484e932bb"},{"id":"ZW1056:2024-10-23","date":"2024-10-23","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1056"],"sum20":{"value":null,"valueText":"<0,022","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"7c710452e81870a68ee92939179919e47d3aa8ed4fbabb44f674bfe0e43a54b8"},{"id":"ZW1031:2024-03-14","date":"2024-03-14","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1031"],"sum20":{"value":null,"valueText":"<0,022","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"51319520113b3fea17099a72fd6c8df814a3c3c823b5f4a25d5b56cd8552ad1d"},{"id":"ZW1056:2024-03-14","date":"2024-03-14","commune":"61019","communeName":"Ferrières","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1056"],"sum20":{"value":null,"valueText":"<0,022","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"v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