{"schemaVersion":2,"id":"us-MA3144000","communeId":"MA3144000","name":"Ipswich DPU Water Dept","slug":"ipswich-dpu-water-dept-ma3144000","country":"us","region":"Massachusetts","supplier":"IPSWICH DPU  WATER DEPT","networks":[{"code":"00001/1404","name":"Entry Point to Dist. System (Mile Lane GP Well)"},{"code":"00006/20434","name":"Entry Point to Dist. System (Winthrop GP Wells #2 & 3)"},{"code":"00007/1402","name":"Entry Point to Dist. System (Essex Road GP Well)"},{"code":"00009/1401","name":"Entry Point to Dist. System (WTP)"},{"code":"00010/1403","name":"Entry Point to Dist. System (Fellows Road GP Well)"}],"latestSampleDate":"2024-10-17T00:00:00Z","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). 5 entry points sampled, 18 sampling events between 2023-11-06 and 2024-10-17. The page's PFAS values come from the newest sample at Entry Point to Dist. System (Mile Lane GP Well) (00001/1404), 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":0.0056,"valueText":"0.0056","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2024-06-25T00:00:00Z","sampleId":"M4F1857-01"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":{"commune":"MA3144000","name":"Entry Point to Dist. 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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":"PFBA","valueText":"<0.005","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":"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":"M4J1330-01","date":"2024-10-17","commune":"MA3144000","communeName":"IPSWICH DPU  WATER 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