{"schemaVersion":2,"id":"us-NJ1103001","communeId":"NJ1103001","name":"Aqua NJ - Hamilton Square","slug":"aqua-nj-hamilton-square-nj1103001","country":"us","region":"New Jersey","supplier":"AQUA NJ - HAMILTON SQUARE","networks":[{"code":"11032/TP011032","name":"Entry Point to Dist. System (Well 13 TP)"},{"code":"12035/TP012035","name":"Entry Point to Dist. System (Well 14 TP)"},{"code":"91002/TP001002","name":"Entry Point to Dist. System (Well 11 TP)"},{"code":"93011/TP003011","name":"Entry Point to Dist. System (Well 10 TP)"},{"code":"94014/TP004014","name":"Entry Point to Dist. System (Well 12 TP)"}],"latestSampleDate":"2025-09-03T00:00:00Z","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). 5 entry points sampled, 9 sampling events between 2025-03-25 and 2025-09-03. The page's PFAS values come from the newest sample at Entry Point to Dist. System (Well 14 TP) (12035/TP012035), 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":0.0322,"valueText":"0.0322","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-09-03T00:00:00Z","sampleId":"810-162595-1"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"NJ1103001","name":"Entry Point to Dist. System (Well 14 TP)","network":"12035/TP012035"},"qualifiers":[{"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 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":"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":"810-162577-1","date":"2025-09-03","commune":"NJ1103001","communeName":"AQUA NJ - HAMILTON SQUARE","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["93011/TP003011"],"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":"d70baa6bae1ae3e311385eff4e8186703165fac59aa2a7da02a0fa0e783cc91b"},{"id":"810-162589-1","date":"2025-09-03","commune":"NJ1103001","communeName":"AQUA NJ - HAMILTON SQUARE","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["91002/TP001002"],"sum20":null,"pfas4":{"value":0.0185,"valueText":"0.0185","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"d279fce0e83d44e82ff58d5624ebeceedc54fb7bba688fb1fc033c6e9ebe1be2"},{"id":"810-162591-1","date":"2025-09-03","commune":"NJ1103001","communeName":"AQUA NJ - HAMILTON SQUARE","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["11032/TP011032"],"sum20":null,"pfas4":{"value":0.018,"valueText":"0.018","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"419885d1343b98520a44600a85d21d69aacaf8604736921782aaa6304cb3526a"},{"id":"810-162595-1","date":"2025-09-03","commune":"NJ1103001","communeName":"AQUA NJ - HAMILTON SQUARE","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["12035/TP012035"],"sum20":null,"pfas4":{"value":0.0322,"valueText":"0.0322","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"03bb5292a962914f8600f88c989bfc16987dcac7d60406a8721c933ba3d8019d"},{"id":"810-150238-1","date":"2025-05-27","commune":"NJ1103001","communeName":"AQUA NJ - HAMILTON SQUARE","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["93011/TP003011"],"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":"52733f30da57a32505699e18709f7e818f5ebb5455612e066934b496dcd85295"},{"id":"810-142544-1","date":"2025-03-25","commune":"NJ1103001","communeName":"AQUA NJ - HAMILTON SQUARE","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["11032/TP011032"],"sum20":null,"pfas4":{"value":0.0152,"valueText":"0.0152","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"420776607cf5f0c54f928897a9e3986cd2de9d8778e2efa5fd4680c7318403df"},{"id":"810-142547-1","date":"2025-03-25","commune":"NJ1103001","communeName":"AQUA NJ - 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