{"schemaVersion":2,"id":"us-PA7360058","communeId":"PA7360058","name":"City of Lancaster","slug":"city-of-lancaster-pa7360058","country":"us","region":"Pennsylvania","supplier":"CITY OF LANCASTER, PA","networks":[{"code":"00101/101","name":"Entry Point 101 Finished Water (Susquehanna TP)"},{"code":"00102/102","name":"Entry Point 102 Finished Water (Conestoga TP)"}],"latestSampleDate":"2024-09-05T00:00:00Z","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. Treatment reported to EPA for PFAS: no PFAS treatment (NMT). 2 entry points sampled, 8 sampling events between 2023-12-06 and 2024-09-05. The page's PFAS values come from the newest sample at Entry Point 102 Finished Water (Conestoga TP) (00102/102), the entry point with the highest PFOA + PFOS + PFNA + PFHxS sum; the other entry points' maxima are listed as separate rows. 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":0.0238,"valueText":"0.0238","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2024-09-05T00:00:00Z","sampleId":"4I01090-03"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":{"commune":"PA7360058","name":"Entry Point 102 Finished Water (Conestoga TP)","network":"00102/102"},"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":"NEtFOSAA","valueText":"<0.005","unit":"µg/L"},{"name":"NFDHA","valueText":"<0.02","unit":"µg/L"},{"name":"NMeFOSAA","valueText":"<0.006","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":"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":"PFTA","valueText":"<0.008","unit":"µg/L"},{"name":"PFTrDA","valueText":"<0.007","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":"4I01090-01","date":"2024-09-05","commune":"PA7360058","communeName":"CITY OF LANCASTER, PA","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":"4b4535fd38dc9c33d69b96013b056a6d15c938ebd9fd2732d2ddc67c09ec45c5"},{"id":"4I01090-03","date":"2024-09-05","commune":"PA7360058","communeName":"CITY OF LANCASTER, PA","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00102/102"],"sum20":null,"pfas4":{"value":0.0238,"valueText":"0.0238","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":"4d309187920f0f09df44228bd02fcd2ece6400ad9e5e261867e7dbffe0905faf"},{"id":"4E04113-01","date":"2024-06-06","commune":"PA7360058","communeName":"CITY OF LANCASTER, PA","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":"22c8b46259e3cd18b20e606d72a013848a3fc09c61f72ab5cc076d23f2435916"},{"id":"4E04113-03","date":"2024-06-06","commune":"PA7360058","communeName":"CITY OF LANCASTER, 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PA","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":"49a9e47ddfbfbb619a946303f2804441dacbc733b568b7b1c7534ba6eae389b4"},{"id":"4B03876-03","date":"2024-03-06","commune":"PA7360058","communeName":"CITY OF LANCASTER, 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PA","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00102/102"],"sum20":null,"pfas4":{"value":0.0141,"valueText":"0.0141","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":"ef10d2a98ec9040506c2d9f5dce8a7c6df84f15209e16cc57680982392f5f7d6"}],"revision":"66eb3d2101ae646c71d8a8b64e7c1ebd855e12cb4149518ae99bb33038c898d2","us":{"pwsid":"PA7360058","state":"PA","systemType":"CWS","sizeClass":"L","sourceWater":["SW"],"counties":["Lancaster"],"zips":["17505","17512","17520","17540","17543","17545","17551","17554","17572","17576","17584","17601","17602","17603"],"entryPoints":2,"samples":8,"detectedCompounds":["PFOA","PFBS","PFBA","PFHpA","PFHxA","PFPeA"],"treatment":["NMT"],"potentialSources":"No","pfoaMax":0.0238,"pfosMax":null,"hazardIndex":0.0049,"centroidSource":"sab"}}