{"schemaVersion":2,"id":"us-PA3060052","communeId":"PA3060052","name":"Caernarvon TWP Auth","slug":"caernarvon-twp-auth-pa3060052","country":"us","region":"Pennsylvania","supplier":"CAERNARVON TWP AUTH","networks":[{"code":"101/EP101","name":"Entry Point - Mill Road (MILL ROAD)"},{"code":"102/EP102","name":"Entry Point - Well 8 MBP (WELL #8 MBP)"},{"code":"103/EP103","name":"Entry Point - Well 7 (WELL 7 HEMLOCK RD)"}],"latestSampleDate":"2025-10-20T00:00:00Z","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. 3 entry points sampled, 6 sampling events between 2025-04-14 and 2025-10-20. The page's PFAS values come from the newest sample at Entry Point - Mill Road (MILL ROAD) (101/EP101), 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":0.0478,"valueText":"0.0478","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-10-20T00:00:00Z","sampleId":"133455P"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":{"commune":"PA3060052","name":"Entry Point - Mill Road (MILL ROAD)","network":"101/EP101"},"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":"133455P","date":"2025-10-20","commune":"PA3060052","communeName":"CAERNARVON TWP AUTH","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/EP101"],"sum20":null,"pfas4":{"value":0.0478,"valueText":"0.0478","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":"4255d0a54c70d35203959c1005c9ec683eaff97862f1d1bb7586559b95d14543"},{"id":"133456P","date":"2025-10-20","commune":"PA3060052","communeName":"CAERNARVON TWP AUTH","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["102/EP102"],"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":"4db204f26d19b51fdfdacc1c7d7aeff6e8c609e5a7a0935daf2da1447acb31b1"},{"id":"133457P","date":"2025-10-20","commune":"PA3060052","communeName":"CAERNARVON TWP AUTH","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["103/EP103"],"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":"24dc96f68871dc81ae61b207c7cb393edf1e1f37ebfb45b1b58faa6d11ad810e"},{"id":"127786P","date":"2025-04-14","commune":"PA3060052","communeName":"CAERNARVON TWP AUTH","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/EP101"],"sum20":null,"pfas4":{"value":0.0558,"valueText":"0.0558","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":"2cbcab553ddeede23d0e3246260c3e48524d2205999516f802378f384f78384d"},{"id":"127787P","date":"2025-04-14","commune":"PA3060052","communeName":"CAERNARVON TWP AUTH","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["102/EP102"],"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":"a70061bc7b37d2f659d5d654d77130640cdf6a287d6e0512821f4a3578fe2d32"},{"id":"127788P","date":"2025-04-14","commune":"PA3060052","communeName":"CAERNARVON TWP AUTH","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["103/EP103"],"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":"b58e805e686a12d8fa298409c322e3ed2d23747e1627b37f9568cda77dd201bf"}],"revision":"b4cf9658b14213bfb64ceecc1c8fb5fd7baf6e01024c57e2ab058f73b60989a4","us":{"pwsid":"PA3060052","state":"PA","systemType":"CWS","sizeClass":"S","sourceWater":["GW"],"counties":["Berks"],"zips":["19520","19543"],"entryPoints":3,"samples":6,"detectedCompounds":["PFOA","PFBS","PFBA","PFHpA","PFHxA","PFPeA"],"treatment":[],"potentialSources":"No","pfoaMax":0.0558,"pfosMax":null,"hazardIndex":0.0128,"centroidSource":"sab"}}