{"schemaVersion":2,"id":"us-MA3079000","communeId":"MA3079000","name":"Dracut Water Supply District","slug":"dracut-water-supply-district-ma3079000","country":"us","region":"Massachusetts","supplier":"DRACUT WATER SUPPLY DISTRICT","networks":[{"code":"00016/EP001","name":"Entry Point to Dist. System (Lowell Water Intertie)"},{"code":"90001/10030","name":"Entry Point to Dist. System (New Boston WTF)"},{"code":"90002/10040","name":"Entry Point to Dist. System (Tyngsboro WTF)"}],"latestSampleDate":"2025-05-06T00:00:00Z","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, 8 sampling events between 2024-08-07 and 2025-05-06. The page's PFAS values come from the newest sample at Entry Point to Dist. System (New Boston WTF) (90001/10030), 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":0.0047,"valueText":"0.0047","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-02-05T00:00:00Z","sampleId":"M5A0772-01"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":{"commune":"MA3079000","name":"Entry Point to Dist. System (New Boston WTF)","network":"90001/10030"},"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"},{"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":"M5D0143-01","date":"2025-05-06","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00016/EP001"],"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":"c9e32d36f15eb9cd654ff8e988edbf302db8c79874e0c99b0af5cde4020633cf"},{"id":"M5A0595-01","date":"2025-02-05","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00016/EP001"],"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":"6b8e0d643600aaa3b3810cb2a536d1e17483f12dd9d2bb59b5f6cf83663ba8dc"},{"id":"M5A0772-01","date":"2025-02-05","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90001/10030"],"sum20":null,"pfas4":{"value":0.0047,"valueText":"0.0047","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":"67a9e004af20e80a76e240bac536029d80e1b7fa8204959e9ddd7af7c5c7a0a7"},{"id":"M5A0772-03","date":"2025-02-05","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90002/10040"],"sum20":null,"pfas4":{"value":0.0047,"valueText":"0.0047","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":"fc4f3efeaf7ba97dc03859ddfb57404e9d662f50bf4b05af3607a4efe7a2bccc"},{"id":"M4J0680-01","date":"2024-11-05","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00016/EP001"],"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":"e2c17e65bd2ff2529b7ca64709135433b5d4702d4992d1d34a2892e8b2ca0baa"},{"id":"M4G0030-01","date":"2024-08-07","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00016/EP001"],"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":"dc9502435bbe555a9c8350034d2d4600974f8ffdd911963895df03327a109f4a"},{"id":"M4G0032-01","date":"2024-08-07","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90001/10030"],"sum20":null,"pfas4":{"value":0.0061,"valueText":"0.0061","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":"385d9de1d85d4d329cf47d485d7f8b364431768cb0ef61d18045c07004c620ed"},{"id":"M4G0032-03","date":"2024-08-07","commune":"MA3079000","communeName":"DRACUT WATER SUPPLY DISTRICT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["90002/10040"],"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":"58d2a8c7d13aaae0c73d66952b31372e5d25a494eaf77cfed9a388880ff26805"}],"revision":"bc8a0d7a00f903f0baa8671558581094eb0b202f83fdd1ba37789d0cba780f1c","us":{"pwsid":"MA3079000","state":"MA","systemType":"CWS","sizeClass":"L","sourceWater":["GW","SW"],"counties":["Middlesex"],"zips":["01826","01879"],"entryPoints":3,"samples":8,"detectedCompounds":["PFOA","PFBS","PFPeA"],"treatment":["NMT"],"potentialSources":"Yes","pfoaMax":0.0061,"pfosMax":null,"hazardIndex":0.0019,"centroidSource":"sab"}}