{"schemaVersion":2,"id":"us-NY4303666","communeId":"NY4303666","name":"Nyack Village Water Supply","slug":"nyack-village-water-supply-ny4303666","country":"us","region":"New York","supplier":"NYACK VILLAGE WATER SUPPLY","networks":[{"code":"4303666/LS","name":"Lab Sink (Nyack Water)"}],"latestSampleDate":"2025-12-30T00:00:00Z","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). 1 entry point sampled, 4 sampling events between 2025-03-26 and 2025-12-30. The page's PFAS values come from the newest sample at Lab Sink (Nyack Water) (4303666/LS). 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":0.0184,"valueText":"0.0184","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-12-30T00:00:00Z","sampleId":"630-127015-1"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"NY4303666","name":"Lab Sink (Nyack Water)","network":"4303666/LS"},"qualifiers":[{"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":"630-127015-1","date":"2025-12-30","commune":"NY4303666","communeName":"NYACK VILLAGE WATER SUPPLY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["4303666/LS"],"sum20":null,"pfas4":{"value":0.0184,"valueText":"0.0184","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"351a148996745a87128e2a29f666e4948f034c02b171fdac9dcc489d48978f9d"},{"id":"630-120443-1","date":"2025-09-08","commune":"NY4303666","communeName":"NYACK VILLAGE WATER SUPPLY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["4303666/LS"],"sum20":null,"pfas4":{"value":0.015,"valueText":"0.015","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":"d7aca14eae2f5c60c7171e58d69acac42eb0c945b83bd310c5c788e2d1c00657"},{"id":"630-113719-1","date":"2025-06-23","commune":"NY4303666","communeName":"NYACK VILLAGE WATER SUPPLY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["4303666/LS"],"sum20":null,"pfas4":{"value":0.0125,"valueText":"0.0125","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":"cde075f05260a8046149ef223439a2c0e65a59ad71be3b14405d8d72bff16a6b"},{"id":"630-107232-1","date":"2025-03-26","commune":"NY4303666","communeName":"NYACK VILLAGE WATER SUPPLY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["4303666/LS"],"sum20":null,"pfas4":{"value":0.0123,"valueText":"0.0123","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":"4a7302f5101d5543bb9b7aa0b21a48d5fcbe4c50ee8f18b4eca0abee2745e959"}],"revision":"db626349b18126ef81a37c24b0bd71779d77bd354a9897bdca5bb34885bd5488","us":{"pwsid":"NY4303666","state":"NY","systemType":"CWS","sizeClass":"L","sourceWater":["SW"],"counties":["Rockland"],"zips":["10960","10994"],"entryPoints":1,"samples":4,"detectedCompounds":["PFOA","PFOS","PFHxS","PFBS","PFBA","PFHpA","PFHxA","PFPeA"],"treatment":["NMT"],"potentialSources":"No","pfoaMax":0.0098,"pfosMax":0.0056,"hazardIndex":0.3615,"centroidSource":"sab"}}