{"schemaVersion":2,"id":"us-MA2208000","communeId":"MA2208000","name":"Norfolk Water Division","slug":"norfolk-water-division-ma2208000","country":"us","region":"Massachusetts","supplier":"NORFOLK WATER DIVISION","networks":[{"code":"220800001G/MULT1","name":"WELL #1 FINISHED: GOLD ST. WTP (GOLD STREET GP WELL  1)"},{"code":"220800002G/MULT","name":"FINISHED:  SPRUCE RD WTP (BLEND #2 & #2A (SPRUCE ROAD GP WELL  2)"},{"code":"220800005G/MULT2A","name":"FINISHED: HOLBROOK ST. WELLFIELD (GROUP A) (HOLBROOK ST. WELLFIELD)"},{"code":"220800005G/MULT2B","name":"FINISHED: HOLBROOK ST. WELLFIELD (GROUP B) (HOLBROOK ST. WELLFIELD)"}],"latestSampleDate":"2025-07-07T00:00:00Z","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). 4 entry points sampled, 8 sampling events between 2025-01-06 and 2025-07-07. The page's PFAS values come from the newest sample at FINISHED:  SPRUCE RD WTP (BLEND #2 & #2A (SPRUCE ROAD GP WELL  2) (220800002G/MULT), 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":0.0115,"valueText":"0.0115","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-07-07T00:00:00Z","sampleId":"130747P"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":{"commune":"MA2208000","name":"FINISHED:  SPRUCE RD WTP (BLEND #2 & #2A (SPRUCE ROAD GP WELL  2)","network":"220800002G/MULT"},"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 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":"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":"PFHpA","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":"130746P","date":"2025-07-07","commune":"MA2208000","communeName":"NORFOLK WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["220800001G/MULT1"],"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":"530c71cc1990677854b0bacaf08bfc4f9e2183085eadc841540a617c0940a7f8"},{"id":"130747P","date":"2025-07-07","commune":"MA2208000","communeName":"NORFOLK WATER 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DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["220800005G/MULT2A"],"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":"9af4a546481ff31c629bf1dafc0d9ac4b71e6a00ad41c6f929ffd6344de4e9fd"},{"id":"130749P","date":"2025-07-07","commune":"MA2208000","communeName":"NORFOLK WATER 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DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["220800002G/MULT"],"sum20":null,"pfas4":{"value":0.0054,"valueText":"0.0054","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":"ad61bf1f4cf673bb36d2ea9513813a2eb559204c96fffa59d35386626dffacc3"},{"id":"124592P","date":"2025-01-06","commune":"MA2208000","communeName":"NORFOLK WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["220800001G/MULT1"],"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":"fd21c6a2b292853e3eb7bb7af5b972a9db890c228a4daf5e76e3449543980ac6"},{"id":"124594P","date":"2025-01-06","commune":"MA2208000","communeName":"NORFOLK WATER 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