{"schemaVersion":2,"id":"be-25121","communeId":"25121","name":"Ottignies-Louvain-la-Neuve","slug":"ottignies-louvain-la-neuve-25121","country":"be","region":"Wallonie","supplier":"INBW","networks":[{"code":"ZIECBW2","name":"ZIECBW2 (INBW)"},{"code":"ZIECBW22","name":"ZIECBW22 (INBW)"}],"latestSampleDate":"2025-11-07T00:00:00Z","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 2 zones (ZIECBW2, ZIECBW22). 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":0.0026,"valueText":"0,0026","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-07T00:00:00Z","sampleId":"ZIECBW2:2025-11-07"},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-07T00:00:00Z","sampleId":"ZIECBW2:2025-11-07","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":"PFHpA","valueText":"<0,001","unit":"µg/L"},{"name":"PFBA","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":"inconclusive"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZIECBW2:2025-11-07","date":"2025-11-07","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","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":"c6039adddf3ec4feaa4857ddf3e64ad0599afeb742eddfc7001c1727fc6599ac"},{"id":"ZIECBW2:2025-09-29","date":"2025-09-29","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","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":"4dd982e93d360ec1f3faf8af4e6025a48ed9916d386a41eda45ac3bb7a26eb36"},{"id":"ZIECBW2:2025-06-25","date":"2025-06-25","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","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":"f12702050c4f82d396128abb9b49de888379779dc484fb8d4661eb5347390968"},{"id":"ZIECBW22:2025-06-10","date":"2025-06-10","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW22"],"sum20":{"value":null,"valueText":"<0,0205","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"46cde78555ea2e520c48d3f99f2b81176b56d58f23d8673c617413aad61f8460"},{"id":"ZIECBW2:2025-03-17","date":"2025-03-17","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","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":"1ef98f8737e1ea539a900c3f02e0f491ac5d5a5f1e36ac80c3212398d716ce8d"},{"id":"ZIECBW2:2024-11-05","date":"2024-11-05","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW2"],"sum20":{"value":0.006,"valueText":"0,006","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"9179474b6474f65513cd302f0ea81e8882ff3f4cc31ec3fc33ce6cff92402af5"},{"id":"ZIECBW2:2024-10-09","date":"2024-10-09","commune":"25121","communeName":"Ottignies-Louvain-la-Neuve","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZIECBW2"],"sum20":{"value":null,"valueText":"<0,024","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"va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