{"schemaVersion":2,"id":"us-MA2304000","communeId":"MA2304000","name":"Uxbridge DPW, Water Division","slug":"uxbridge-dpw-water-division-ma2304000","country":"us","region":"Massachusetts","supplier":"UXBRIDGE DPW,  WATER DIVISION","networks":[{"code":"90001/07G","name":"Entry Point to Dist. System (Rosenfield Well)"},{"code":"90002/MULT2","name":"Entry Point to Dist. System (Bernat WTP (blend))"},{"code":"90003/MULT3","name":"Entry Point to Dist. System (Blackstone Street WTP (blend))"}],"latestSampleDate":"2025-02-03T00:00:00Z","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). 3 entry points sampled, 6 sampling events between 2024-08-21 and 2025-02-03. The page's PFAS values come from the newest sample at Entry Point to Dist. System (Blackstone Street WTP (blend)) (90003/MULT3), 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":0.0101,"valueText":"0.0101","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-02-03T00:00:00Z","sampleId":"M5A0777-01"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":{"commune":"MA2304000","name":"Entry Point to Dist. System (Blackstone Street WTP (blend))","network":"90003/MULT3"},"qualifiers":[{"name":"PFOA","valueText":"<0.004","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":"PFHxA","valueText":"<0.003","unit":"µg/L"},{"name":"PFMBA","valueText":"<0.003","unit":"µg/L"},{"name":"PFMPA","valueText":"<0.004","unit":"µg/L"},{"name":"PFPeA","valueText":"<0.003","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":"M5A0777-01","date":"2025-02-03","commune":"MA2304000","communeName":"UXBRIDGE DPW,  WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90003/MULT3"],"sum20":null,"pfas4":{"value":0.0101,"valueText":"0.0101","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"abcc8aa9c005ca9d2d529b6c7d59acc6f9df142fdf4674f7c2cb409ba5514c30"},{"id":"M5A0777-03","date":"2025-02-03","commune":"MA2304000","communeName":"UXBRIDGE DPW,  WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90002/MULT2"],"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":"deb72a0309c3b26666181198ff38f109258de8445408a93388e642557a58df6e"},{"id":"M5A0777-05","date":"2025-02-03","commune":"MA2304000","communeName":"UXBRIDGE DPW,  WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90001/07G"],"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":"d3f566a2af0383e4d522e990228a26e483515120d92c84327c5eebe61ea14897"},{"id":"M4G0158-01","date":"2024-08-21","commune":"MA2304000","communeName":"UXBRIDGE DPW,  WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90003/MULT3"],"sum20":null,"pfas4":{"value":0.0054,"valueText":"0.0054","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"df22891267c2ad6134216f91a1f20055754f4b63a09301b4c20e774a203bb602"},{"id":"M4G0158-03","date":"2024-08-21","commune":"MA2304000","communeName":"UXBRIDGE DPW,  WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90002/MULT2"],"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":"b2b0d4a8dac7d897a04fb37d8200cabaae381af0f36d6e3564caac5b6d32cb91"},{"id":"M4G0158-05","date":"2024-08-21","commune":"MA2304000","communeName":"UXBRIDGE DPW,  WATER DIVISION","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90001/07G"],"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":"a81c7b1e325b1c00d53ae81a0637f469857d4ab544e3238eec861a5c67c09d85"}],"revision":"39c807a2b2091538b1716b5b0a53b443e8f248f83ff337f094c5a2f660f504bb","us":{"pwsid":"MA2304000","state":"MA","systemType":"CWS","sizeClass":"L","sourceWater":["GW"],"counties":["Worcester"],"zips":["01569"],"entryPoints":3,"samples":6,"detectedCompounds":["PFOS","PFHxS","PFBS"],"treatment":["NMT"],"potentialSources":"No","pfoaMax":null,"pfosMax":0.0067,"hazardIndex":0.3419,"centroidSource":"sab"}}