{"schemaVersion":2,"id":"us-PA1150077","communeId":"PA1150077","name":"Phoenixville Water Dept","slug":"phoenixville-water-dept-pa1150077","country":"us","region":"Pennsylvania","supplier":"PHOENIXVILLE WATER DEPT","networks":[{"code":"00101/101","name":"Water Plant Finished Water (Water Plant)"}],"latestSampleDate":"2024-11-25T00:00:00Z","conformity":{"conclusion":null,"bacteriological":"unknown","chemical":"unknown"},"source":{"name":"U.S. Environmental Protection Agency, Fifth Unregulated Contaminant Monitoring Rule (UCMR 5) occurrence data, final dataset (August 2026)","url":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","license":"Public domain (U.S. federal government work, 17 U.S.C. § 105)","kind":"open_data_file","verified":true,"retrievedAt":"2026-09-19T19:22:35.464Z","note":"UCMR 5 results do not indicate compliance or noncompliance with the PFAS drinking water standards. Samples are taken at the entry point to the distribution system, not at the tap; the system may have changed sources or installed treatment since. 1 entry point sampled, 6 sampling events between 2024-01-18 and 2024-11-25. The page's PFAS values come from the newest sample at Water Plant Finished Water (Water Plant) (00101/101). Non-detects are shown as \"<\" followed by EPA's minimum reporting level (3 to 20 ng/L); PFAS-4 sums quantified compounds only, so it is a lower bound when a compound was not detected. Registry (name, population, counties, ZIPs) from EPA SDWIS/ECHO; service-area centroid from EPA ORD."},"pfas":{"status":"measured","sum20":null,"pfas4":{"value":0.0049,"valueText":"0.0049","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2024-10-22T00:00:00Z","sampleId":"231499-07-181-11-01+231499-07-181-12-01"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":{"commune":"PA1150077","name":"Water Plant Finished Water (Water Plant)","network":"00101/101"},"qualifiers":[{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"},{"name":"HFPO-DA","valueText":"<0.005","unit":"µg/L"},{"name":"11Cl-PF3OUdS","valueText":"<0.005","unit":"µg/L"},{"name":"4:2 FTS","valueText":"<0.003","unit":"µg/L"},{"name":"6:2 FTS","valueText":"<0.005","unit":"µg/L"},{"name":"8:2 FTS","valueText":"<0.005","unit":"µg/L"},{"name":"9Cl-PF3ONS","valueText":"<0.002","unit":"µg/L"},{"name":"ADONA","valueText":"<0.003","unit":"µg/L"},{"name":"NFDHA","valueText":"<0.02","unit":"µg/L"},{"name":"PFDA","valueText":"<0.003","unit":"µg/L"},{"name":"PFDoA","valueText":"<0.003","unit":"µg/L"},{"name":"PFEESA","valueText":"<0.003","unit":"µg/L"},{"name":"PFHpA","valueText":"<0.003","unit":"µg/L"},{"name":"PFHpS","valueText":"<0.003","unit":"µg/L"},{"name":"PFMBA","valueText":"<0.003","unit":"µg/L"},{"name":"PFMPA","valueText":"<0.004","unit":"µg/L"},{"name":"PFPeS","valueText":"<0.004","unit":"µg/L"},{"name":"PFUnA","valueText":"<0.002","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":"231499-07-181-11-01+231499-07-181-12-01","date":"2024-10-22","commune":"PA1150077","communeName":"PHOENIXVILLE WATER DEPT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00101/101"],"sum20":null,"pfas4":{"value":0.0049,"valueText":"0.0049","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"29ce33cdb69aa895a0c907b8fcd6e180bb26bfaee9b0406f9c0b917fa4bf0663"},{"id":"231499-07-181-08-01+231499-07-181-09-01+231499-07-181-10-01","date":"2024-07-29","commune":"PA1150077","communeName":"PHOENIXVILLE WATER DEPT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00101/101"],"sum20":null,"pfas4":{"value":0.011,"valueText":"0.011","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"b1e65bfe84ecf12eecde3ab57ed4400f51a7c7a4b1061b3cdf8785db9c8f211b"},{"id":"231499-07-181-07-01","date":"2024-06-05","commune":"PA1150077","communeName":"PHOENIXVILLE WATER DEPT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00101/101"],"sum20":null,"pfas4":{"value":0.0096,"valueText":"0.0096","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"960a2fca23dca21d7b5bb0347ce02f1a54860aeae5506ae2f5e8e8ba289244b3"},{"id":"231499-07-181-01-01+231499-07-181-02-01+231499-07-181-03-01+231499-07-181-04-01","date":"2024-01-18","commune":"PA1150077","communeName":"PHOENIXVILLE WATER DEPT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00101/101"],"sum20":null,"pfas4":{"value":null,"valueText":"<0.015","unit":"µg/L","nonDetect":true,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"e5e7afbf759b7b80393eb52b57b6c9277c1fc17bec327949cfc45fc67b308994"}],"revision":"b618d16a624650c6d24ae213df13b1dacedbf0c76e48711570d1a96f0efc5b46","us":{"pwsid":"PA1150077","state":"PA","systemType":"CWS","sizeClass":"L","sourceWater":["SW"],"counties":["Chester"],"zips":["19460"],"entryPoints":1,"samples":6,"detectedCompounds":["PFOA","PFOS","PFBS","PFBA","PFHpA","PFHxA","PFPeA"],"treatment":[],"potentialSources":"No","pfoaMax":0.0059,"pfosMax":0.0051,"hazardIndex":0.0045,"centroidSource":"sab"}}