{"schemaVersion":2,"id":"us-MA4182000","communeId":"MA4182000","name":"Middleborough Water Supply","slug":"middleborough-water-supply-ma4182000","country":"us","region":"Massachusetts","supplier":"MIDDLEBOROUGH WATER SUPPLY","networks":[{"code":"10002/10002","name":"Entry Point to Dist. System (East Grove Street Dug Well)"},{"code":"10040/10040","name":"Entry Point to Dist. System (East Main Street Treatment)"},{"code":"10041/10041","name":"Entry Point to Dist. System (Mizaras Well)"},{"code":"90001/10008","name":"Entry Point to Dist. System (Rock Village GP Well #1)"},{"code":"90002/10009","name":"Entry Point to Dist. System (Rock Village GP Well #2)"},{"code":"90004/10006","name":"Entry Point to Dist. System (Miller Street GP Well)"},{"code":"90006/10007","name":"Entry Point to Dist. System (Plympton Street GP Well)"},{"code":"90007/10000","name":"Entry Point to Dist. System (Cross Street GP Well)"},{"code":"90008/10012","name":"Entry Point to Dist. System (Tispaquin GP Well #2)"},{"code":"90009/10010","name":"Entry Point to Dist. System (Spruce Street GP Well)"}],"latestSampleDate":"2025-06-02T00:00:00Z","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: granular activated carbon (GAC), no PFAS treatment (NMT), other treatment (OTH). 10 entry points sampled, 20 sampling events between 2024-12-10 and 2025-06-02. The page's PFAS values come from the newest sample at Entry Point to Dist. System (East Grove Street Dug Well) (10002/10002), 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":0.018,"valueText":"0.018","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-06-02T00:00:00Z","sampleId":"L2534283-11"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"MA4182000","name":"Entry Point to Dist. 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