{"schemaVersion":2,"id":"be-25124","communeId":"25124","name":"Walhain","slug":"walhain-25124","country":"be","region":"Wallonie","supplier":"SWDE","networks":[{"code":"ZW1326","name":"ZW1326 (SWDE)"}],"latestSampleDate":"2025-12-01T00:00:00Z","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) ZW1326. 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":0.0082,"valueText":"0,0082","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-01T00:00:00Z","sampleId":"ZW1326:2025-12-01"},"pfas4":{"value":0.0014,"valueText":"0,0014","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-01T00:00:00Z","sampleId":"ZW1326:2025-12-01"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"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":"<0,0015","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":"over"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZW1326:2025-12-01","date":"2025-12-01","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.0082,"valueText":"0,0082","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0014,"valueText":"0,0014","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"7ac6bbc9b98a6fe176d8a48660e1e7744ab64606e4fd69de42cd04c51eb97ec4"},{"id":"ZW1326:2025-10-07","date":"2025-10-07","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.0143,"valueText":"0,0143","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0012,"valueText":"0,0012","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"ed96886915aa6d4ad561b9fec1f8448601f0326ffa68ca2629774f2cc510daff"},{"id":"ZW1326:2025-09-09","date":"2025-09-09","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.0109,"valueText":"0,0109","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0016,"valueText":"0,0016","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"a5a52a450e123016c1dcf141bc8834cf30d425ac353d3fafc8c6dc1391f24d6a"},{"id":"ZW1326:2025-07-08","date":"2025-07-08","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":"92a7f7fb04da25b70adf6d2d8dcf9d57549168341b524759a7d57fa1b00f1302"},{"id":"ZW1326:2025-05-06","date":"2025-05-06","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":"b38417dbf1ae16af3f9feae0130e65f5de4dae5ccb2c09d8d23f267a67aceeb8"},{"id":"ZW1326:2025-02-19","date":"2025-02-19","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":"72bc35c00150cdb7daafb7e30c186423e600d4fd875a5db6d325ea3b52c8e001"},{"id":"ZW1326:2025-01-20","date":"2025-01-20","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":"b77dc58a320a96a072fa755da4c5e6b19795746599e81cdb2c73d1b210682023"},{"id":"ZW1326:2025-01-17","date":"2025-01-17","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.005,"valueText":"0,005","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"b1f4c50d29135f492dac9ace1d3103b2d73c12103b154f48a80244513e731cae"},{"id":"ZW1326:2024-12-03","date":"2024-12-03","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.009,"valueText":"0,009","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"ac802f1c7efa7da6d26ce21db26692a367c67621304e6651905e76c29f59d96a"},{"id":"ZW1326:2024-10-07","date":"2024-10-07","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.013,"valueText":"0,013","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"fe373da765991d87590143dbcaa8f6070e9d926fcc95f14cb44c9db9a01da81f"},{"id":"ZW1326:2024-09-10","date":"2024-09-10","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.017,"valueText":"0,017","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.004,"valueText":"0,004","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"12b42942fc3454e5009db6f0eea8418433bfe77bab19107beb15ec9b2a8f57a7"},{"id":"ZW1326:2024-05-23","date":"2024-05-23","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"d00a227d593ca44392456b842a0f85c2f36d40d8e207ecfe37eb9cb62aee8c7f"},{"id":"ZW1326:2024-05-07","date":"2024-05-07","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":null,"valueText":"<0,025","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"0c890d801426597b3ef18bb202ee97e2f59b176eda64b6ec2adc11713e04c7f4"},{"id":"ZW1326:2024-02-21","date":"2024-02-21","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":false},"revision":"a21211d7eaf8b257e17e82639c28b891b5eca3b8a0fe235774f0adb126c7ef56"},{"id":"ZW1326:2024-01-23","date":"2024-01-23","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":null,"valueText":"<0,04","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,008","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"770ffc17f158c5ac85ee9e7967451410bcd0aead9f49fd5e97863856bac2f531"},{"id":"ZW1326:2024-01-09","date":"2024-01-09","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"3400eb72ff879d89d8fe8e5e6a8a0c418eff4e82595f38e9733d2bf9a61a194a"},{"id":"ZW1326:2023-12-08","date":"2023-12-08","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.009,"valueText":"0,009","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"d77bece93aa340b6a8cf56f300afb88bd325214bdb7de6feddc7c9717da9f99f"},{"id":"ZW1326:2023-09-15","date":"2023-09-15","commune":"25124","communeName":"Walhain","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.021,"valueText":"0,021","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"489c34ab8650d778a9e2629dcac20227993e72cb804906f82a0827095f242eba"}],"revision":"19a6cff2d28e7ba7821af7d19ee8790174caade9e62c3598f00940f5dbdc6c5f"}