{"schemaVersion":2,"id":"us-NJ0251001","communeId":"NJ0251001","name":"Ridgewood Water","slug":"ridgewood-water-nj0251001","country":"us","region":"New Jersey","supplier":"RIDGEWOOD WATER","networks":[{"code":"10030/TP010030","name":"Entry Point to Dist. System (Ames 3 TP)"},{"code":"14038/TP014038","name":"Entry Point to Dist. System (Van Houten TP)"},{"code":"20051/TP020051","name":"Entry Point to Dist. System (Waldo TP)"},{"code":"25062/TP025062","name":"Entry Point to Dist. System (Main TP)"},{"code":"28068/TP028068","name":"Entry Point to Dist. System (Prospect TP)"},{"code":"30072/TP030072","name":"Entry Point to Dist. System (Stevens TP)"},{"code":"32076/TP032076","name":"Entry Point to Dist. System (East Ridgewood TP)"},{"code":"33079/TP033079","name":"Entry Point to Dist. System (Irving TP)"},{"code":"35083/TP035083","name":"Entry Point to Dist. System (West End TP)"},{"code":"41094/TP041094","name":"Entry Point to Dist. System (Twinny TP)"},{"code":"44099/TP044099","name":"Entry Point to Dist. System (Salem TP)"},{"code":"49126/TP049126","name":"Entry Point to Dist. System (Carr TP)"},{"code":"59059/CC059059","name":"Representative Interconnection (Marr)"},{"code":"61150/CC061150","name":"Representative Interconnection (Passaic Valley)"},{"code":"94012/TP004012","name":"Entry Point to Dist. System (Wortendyke TP)"},{"code":"95023/TP005023","name":"Entry Point to Dist. System (Cedar Hill TP)"},{"code":"99001/CC001001","name":"Representative Intertie (UWNJ Ridgewood Consecutive Connection)"}],"latestSampleDate":"2025-03-04T00:00:00Z","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). 17 entry points sampled, 40 sampling events between 2023-03-01 and 2025-03-04. The page's PFAS values come from the newest sample at Entry Point to Dist. System (Prospect TP) (28068/TP028068), 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":0.0486,"valueText":"0.0486","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2023-09-12T00:00:00Z","sampleId":"810-77440-1"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"NJ0251001","name":"Entry Point to Dist. 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