{"schemaVersion":2,"id":"be-25110","communeId":"25110","name":"Waterloo","slug":"waterloo-25110","country":"be","region":"Wallonie","supplier":"De Watergroep, INBW","networks":[{"code":"LG24_MO25","name":"LG24_MO25 (De Watergroep)"},{"code":"LG24_MW17","name":"LG24_MW17 (De Watergroep)"},{"code":"ZIECBW2","name":"ZIECBW2 (INBW)"},{"code":"ZIECBW4","name":"ZIECBW4 (INBW)"}],"latestSampleDate":"2025-11-21T00:00:00Z","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); Vlaamse Milieumaatschappij (VMM) – Kwaliteit van het drinkwater 2024, bijlage 2","url":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","license":"SPW: non vérifiée; VMM: Modellicentie voor gratis hergebruik (Vlaamse overheid) – https://vmm.vlaanderen.be/disclaimer","kind":"open_data_file","verified":true,"retrievedAt":"2026-09-28T11:50:09.229Z","note":"Jaarcijfers 2024 van de metingen in het distributienet per leveringsgebied (VMM). De getoonde waarde is de mediaan van 2024; het maximum staat als aparte waarde \"Maximale concentratie\". 0 = niet gedetecteerd (onder de rapportagegrens). De gemeente valt in 2 leveringsgebieden (LG24_MO25, LG24_MW17); de PFAS-cijfers komen uit leveringsgebied LG24_MW17, het gebied met de hoogste mediane PFAS-4-waarde. 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 2 zones (ZIECBW2, ZIECBW4). 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":0.0104,"valueText":"0,0104","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-21T00:00:00Z","sampleId":"ZIECBW4:2025-11-21"},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-21T00:00:00Z","sampleId":"ZIECBW4:2025-11-21"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFHxS","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":"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":"<0,001","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":"ZIECBW4:2025-11-21","date":"2025-11-21","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW4"],"sum20":{"value":0.0104,"valueText":"0,0104","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"932fb45d10fba8aea0b6afbe7d120bde7defac1757cf84898654e162c6c48294"},{"id":"ZIECBW2:2025-11-07","date":"2025-11-07","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW2"],"sum20":{"value":0.0026,"valueText":"0,0026","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"269e343e9da9d485704ae98e8d6a1d5d40a6a972737668d30708497b3e0528b7"},{"id":"ZIECBW2:2025-09-29","date":"2025-09-29","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW2"],"sum20":{"value":0.0081,"valueText":"0,0081","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"a18ab54c88314ef91d0fd660596b87708d1fcea77a04c06d05bb21cdf0a76330"},{"id":"ZIECBW4:2025-08-12","date":"2025-08-12","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW4"],"sum20":{"value":0.011,"valueText":"0,011","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"930c4d799261930edd5079fd3fc7fc6901ca00cf124a0aa4d57aa18c973a9504"},{"id":"ZIECBW2:2025-06-25","date":"2025-06-25","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW2"],"sum20":{"value":null,"valueText":"<0,02","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"f4eb1511c121551d033eb2526db77cf73d3341d9ff70c15e145734a17838fada"},{"id":"ZIECBW4:2025-03-26","date":"2025-03-26","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW4"],"sum20":{"value":0.008,"valueText":"0,008","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"2aea704fe940f00e6caa0c8c72c569d7331c48fd1caa35dd9c87dcfa9b516125"},{"id":"ZIECBW2:2025-03-17","date":"2025-03-17","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW2"],"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":"c738fe00cd6ee4e6c7f0b4c3740c51c4a5ad86d3872d43c55b515856c50c5acb"},{"id":"ZIECBW4:2025-01-28","date":"2025-01-28","commune":"25110","communeName":"Waterloo","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECB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