{"schemaVersion":2,"id":"de-05315000","communeId":"05315000","name":"Köln","slug":"koeln-05315000","country":"de","region":"Nordrhein-Westfalen","supplier":"RheinEnergie","networks":[{"code":"rheinenergie-linksrheinisch","name":"Köln linksrheinisch (Wasserwerke Hochkirchen und Weiler)"},{"code":"rheinenergie-rechtsrheinisch","name":"Köln rechtsrheinisch (Wasserwerke Höhenhaus und Zündorf)"}],"latestSampleDate":"2025-12-31","conformity":{"conclusion":null,"bacteriological":"unknown","chemical":"unknown"},"source":{"name":"RheinEnergie – Trinkwasseranalyse, Jahresmittelwerte 2025","url":"https://www.rheinenergie.com/privatkunden/wasser/wasserqualitaet/","license":"Veröffentlichung von RheinEnergie AG; Sachdaten mit Quellenangabe wiedergegeben (keine offene Lizenz angegeben)","kind":"open_data_file","verified":true,"retrievedAt":"2026-09-28T11:50:37.989Z","note":"Jahresmittelwerte 2025 je Versorgungsgebiet aus den Trinkwasseranalysen der RheinEnergie (PDF je Gebiet, Ausgabe 2026), Angaben in mg/l in µg/L umgerechnet. Linksrheinisch wird aus den Wasserwerken Hochkirchen und Weiler versorgt, rechtsrheinisch aus Höhenhaus und Zündorf; die PFAS-Einzelstoffe sind je Gebiet aufgeführt. Für Köln liegen 2 Werke bzw. Messstellen vor (Köln linksrheinisch (Wasserwerke Hochkirchen und Weiler), Köln rechtsrheinisch (Wasserwerke Höhenhaus und Zündorf)). Die PFAS-Kennzahl der Seite stammt aus „Köln rechtsrheinisch (Wasserwerke Höhenhaus und Zündorf)“, der Messstelle mit dem höchsten PFAS-4-Wert; die übrigen stehen in der Tabelle. Nächste Aktualisierung: Ausgabe 2027 mit den Jahresmittelwerten 2026, voraussichtlich im Frühjahr 2027"},"pfas":{"status":"measured","sum20":{"value":0.023,"valueText":"0,023","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-31"},"pfas4":{"value":0.0088,"valueText":"0,0088","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-12-31"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":null,"qualifiers":[{"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":"headline:de-05315000:2025-12-31","date":"2025-12-31","sourceUrl":"https://www.rheinenergie.com/privatkunden/wasser/wasserqualitaet/","commune":"05315000","communeName":"Köln","networks":["rheinenergie-rechtsrheinisch"],"sum20":{"value":0.023,"valueText":"0,023","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0088,"valueText":"0,0088","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"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"}]},"revision":"156b5e172b0aebc800f9a6e9bb92ea3bd35df24aedc34deac16d76546197cb07"}],"revision":"d3126d3a8ffa829bc95ed8067e750949ce7b31b3ba4f35bfc0c5cb23a74366f6"}