{"schemaVersion":2,"id":"us-NY2902824","communeId":"NY2902824","name":"Garden City (V)","slug":"garden-city-v-ny2902824","country":"us","region":"New York","supplier":"GARDEN CITY (V)","networks":[{"code":"00095/GAC00095","name":"Entry Point to Dist. System (Well 7 GAC Plant)"},{"code":"03881/AS03881","name":"Airstripper (Well 9 Treatment)"},{"code":"03934/AS03934","name":"Airstripper (Wells 10 & 11 EP From Booster Station)"},{"code":"05163/AS05163","name":"Airstripper (Wells 8 & 12 Treatment)"},{"code":"07058/ASGAC1314","name":"Entry Point to Dist. System (Wells 13 & 14 GAC Plant)"},{"code":"10033/IFGAC1516","name":"Entry Point to Dist. System (Wells 15 & 16 GAC Plant)"}],"latestSampleDate":"2026-06-17T00:00:00Z","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). 6 entry points sampled, 16 sampling events between 2023-05-16 and 2026-06-17. The page's PFAS values come from the newest sample at Airstripper (Well 9 Treatment) (03881/AS03881), 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":0.0114,"valueText":"0.0114","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2023-11-06T00:00:00Z","sampleId":"35841109002SE2"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":{"commune":"NY2902824","name":"Airstripper (Well 9 Treatment)","network":"03881/AS03881"},"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","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":"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":"35045764001SE1","date":"2026-06-17","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["07058/ASGAC1314"],"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":"cd005e174ca80467c733071c90a7897e51f2d5985e1a6f253506805f8dd0cc5a"},{"id":"35942083001SE2","date":"2025-03-10","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["10033/IFGAC1516"],"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":"bd8e14429af218e718514eeadedaf2a431b74709db30e1b352a0370c7e1a2759"},{"id":"35886525001SE1","date":"2024-06-17","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["10033/IFGAC1516"],"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":"ab485fd69a1041e579e68cdda82ff886d643b4a784d6412cfb178ec6d1166191"},{"id":"35841109006SE2","date":"2023-11-28","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["07058/ASGAC1314"],"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":"84ce6af76fd395633455be83945764277552930fc0b6e0bc8fc5d5c92457af83"},{"id":"35843178001SE2","date":"2023-11-20","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00095/GAC00095"],"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":"ad6dc23d146bdebb375139c4f3a6a72503b722cb0a87ea27e07190266ffeb788"},{"id":"35843178005SE2","date":"2023-11-20","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["05163/AS05163"],"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":"8639db76030e0fef80348364b7c082efeea80bf6af1c24d2052526af7905d4af"},{"id":"35841109002SE2","date":"2023-11-06","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["03881/AS03881"],"sum20":null,"pfas4":{"value":0.0114,"valueText":"0.0114","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"6bd2c3c246a66b49995c10912178a796d153de93de004733426fe618c83b45f0"},{"id":"35841109004SE2","date":"2023-11-06","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["03934/AS03934"],"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":"4af62b9d81b0bc30f885a40792c1f155710e3806a1cf6238262a531f118974b2"},{"id":"GK00634-01","date":"2023-11-02","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["03881/AS03881"],"sum20":null,"pfas4":{"value":0.0098,"valueText":"0.0098","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"10922ca9c62edb89436d75521a0f7c8ce58c32a02dc8aca326c36719df63b297"},{"id":"GF04699-03","date":"2023-06-26","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["03934/AS03934"],"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":"392a08bd160545817aeaa640f927dc6846ed7b4814c82406c19d792769ad593b"},{"id":"35804970001SE1","date":"2023-06-06","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["00095/GAC00095"],"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":"945c7e97b9db7f40773b6fa985077783ddbe07aacc74444475f86508b906f8c2"},{"id":"35800698001SE1","date":"2023-05-17","commune":"NY2902824","communeName":"GARDEN CITY (V)","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["05163/AS05163"],"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":"b9766d1bf4f651f13f270ea5ead33451634c7dbd535d03784b257e470ed11d70"}],"revision":"9e259103cfb1855da038fbf6667d34fe1686b05ed0e8109a3bfe0c59dfc66e45","us":{"pwsid":"NY2902824","state":"NY","systemType":"CWS","sizeClass":"L","sourceWater":["GW"],"counties":["Nassau"],"zips":["11530"],"entryPoints":6,"samples":16,"detectedCompounds":["PFOS","PFNA","PFBA"],"treatment":["NMT"],"potentialSources":"Yes","pfoaMax":null,"pfosMax":0.0043,"hazardIndex":0.71,"centroidSource":"sab"}}