{"schemaVersion":2,"id":"us-NY2902830","communeId":"NY2902830","name":"WA of Western Nassau","slug":"wa-of-western-nassau-ny2902830","country":"us","region":"New York","supplier":"WA OF WESTERN NASSAU","networks":[{"code":"N00017/ASGAC00017","name":"Entry Point to Dist. System (Well 20 Treatment)"},{"code":"N01958/N01958T","name":"Entry Point to Dist. System (Well 16A Treatment)"},{"code":"N02414/GAC02414","name":"Entry Point to Dist. System (Well 28 Treatment)"},{"code":"N03720/IF03720","name":"Entry Point to Dist. System (Well 30 Treatment)"},{"code":"N04298/AOPAS3535A","name":"Entry Point to Dist. System (Well 35 & 35A Treatment)"},{"code":"N04390/AS07445","name":"Entry Point to Dist. System (Well 40 & 40A Treatment)"},{"code":"N05155/ASGAC4444A","name":"Entry Point to Dist. System (Well 44 & 44A Treatment)"},{"code":"N06744/ASGAC44B44C","name":"Entry Point to Dist. System (Well 44B & 44C Treatment)"},{"code":"N07482/IF07482","name":"Entry Point to Dist. System (Well 25A Treatment)"},{"code":"N07649/AOPAS5757A","name":"Entry Point to Dist. System (Well 57 & 57A Treatment)"},{"code":"N09151/AS15A15B","name":"Entry Point to Dist. System (Well 15A & 15B Treatment)"},{"code":"N10206/AS15C15E","name":"Entry Point to Dist. System (Well 15C & 15E Treatment)"},{"code":"N10211/IF28A28B","name":"Entry Point to Dist. System (Well 28A & 28B Treatment)"}],"latestSampleDate":"2024-01-25T00:00:00Z","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: granular activated carbon (GAC), no PFAS treatment (NMT). 13 entry points sampled, 29 sampling events between 2023-06-13 and 2024-01-25. The page's PFAS values come from the newest sample at Entry Point to Dist. System (Well 35 & 35A Treatment) (N04298/AOPAS3535A), 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":null,"valueText":"<0.015","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2023-12-07T00:00:00Z","sampleId":"GL01618-05","nonDetect":true,"upperBound":0.015},"pfas4DetectedCount":0,"lowerBound":true,"sampledAt":{"commune":"NY2902830","name":"Entry Point to Dist. 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