{"schemaVersion":2,"id":"us-PA7360063","communeId":"PA7360063","name":"East Hempfield Water Auth","slug":"east-hempfield-water-auth-pa7360063","country":"us","region":"Pennsylvania","supplier":"EAST HEMPFIELD WATER AUTH","networks":[{"code":"00101/101","name":"Wells #1 - #3 & #11 Finished Water (Wells #1 - #3 & #11 Treatment)"},{"code":"00103/103","name":"Well #4 Finished Water (Well #4 Treatment)"},{"code":"00104/104","name":"Well #5 Finished Water (Well #5 Treatment)"},{"code":"00105/105","name":"Baker's Spring Finished Water (Baker's Spring Treatment)"},{"code":"00106/106","name":"Wells #6 & #7 Finished Water (Wells #6 & #7 Treatment)"},{"code":"00108/108","name":"Well #8 Finished Water (Well #8 Treatment)"},{"code":"107/EP012","name":"Entry Point to Dist. System (Lancaster City Connection)"}],"latestSampleDate":"2026-03-18T00:00:00Z","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). 7 entry points sampled, 19 sampling events between 2025-06-18 and 2026-03-18. The page's PFAS values come from the newest sample at Well #4 Finished Water (Well #4 Treatment) (00103/103), 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":0.0139,"valueText":"0.0139","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-12-12T00:00:00Z","sampleId":"5L02147-03+5L02147-03A"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":{"commune":"PA7360063","name":"Well #4 Finished Water (Well #4 Treatment)","network":"00103/103"},"qualifiers":[{"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 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