{"schemaVersion":2,"id":"us-MA4036001","communeId":"MA4036001","name":"Buzzards Bay Water District","slug":"buzzards-bay-water-district-ma4036001","country":"us","region":"Massachusetts","supplier":"BUZZARDS BAY WATER DISTRICT","networks":[{"code":"403600101G/10003","name":"GP WELL # 1 (PUMP STATION 1)"},{"code":"403600102G/10010","name":"GP WELL # 2 (PUMP STATION 2)"},{"code":"403600103G/10013","name":"PS3 CHEMICAL INJECTION FACILITY (PUMP STATION 3)"},{"code":"403600104G/10011","name":"GP WELL # 4 (PUMP STATION 4)"},{"code":"403600105G/10013","name":"WELL #5 CHEMICAL INJECTION FACILITY (WELL 5)"}],"latestSampleDate":"2023-07-24T00:00:00Z","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, 10 sampling events between 2023-01-09 and 2023-07-24. The page's PFAS values come from the newest sample at PS3 CHEMICAL INJECTION FACILITY (PUMP STATION 3) (403600103G/10013), 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":null,"valueText":"<0.015","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2023-07-24T00:00:00Z","sampleId":"106488P","nonDetect":true,"upperBound":0.015},"pfas4DetectedCount":0,"lowerBound":true,"sampledAt":{"commune":"MA4036001","name":"PS3 CHEMICAL INJECTION FACILITY (PUMP STATION 3)","network":"403600103G/10013"},"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"},{"name":"HFPO-DA","valueText":"<0.005","unit":"µg/L"},{"name":"PFBS","valueText":"<0.003","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 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