{"schemaVersion":2,"id":"us-NJ0721001","communeId":"NJ0721001","name":"West Caldwell Water Department","slug":"west-caldwell-water-department-nj0721001","country":"us","region":"New Jersey","supplier":"WEST CALDWELL WATER DEPARTMENT","networks":[{"code":"93008/CC003008","name":"Representative Intertie (Beverly Pit)"}],"latestSampleDate":"2024-04-12T00:00:00Z","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, 6 sampling events between 2023-07-18 and 2024-04-12. The page's PFAS values come from the newest sample at Representative Intertie (Beverly Pit) (93008/CC003008). 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":0.0126,"valueText":"0.0126","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2024-04-12T00:00:00Z","sampleId":"35873691001SE4"},"pfas4DetectedCount":2,"lowerBound":true,"sampledAt":{"commune":"NJ0721001","name":"Representative Intertie (Beverly Pit)","network":"93008/CC003008"},"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"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":"NFDHA","valueText":"<0.02","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":"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":"35873691001SE4","date":"2024-04-12","commune":"NJ0721001","communeName":"WEST CALDWELL WATER DEPARTMENT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["93008/CC003008"],"sum20":null,"pfas4":{"value":0.0126,"valueText":"0.0126","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":"e820fc3f5cab13a8380083ebea3da3743ddb74aa4d5b34d469eb82d1d7f8ef95"},{"id":"810-87125-1","date":"2023-12-06","commune":"NJ0721001","communeName":"WEST CALDWELL WATER DEPARTMENT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["93008/CC003008"],"sum20":null,"pfas4":{"value":0.0128,"valueText":"0.0128","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":"1ccb9d0893bb63d84fb358d765fb113a4b27d4cfa9c23d89a9ced9476e8f56c0"},{"id":"810-78570-1","date":"2023-09-20","commune":"NJ0721001","communeName":"WEST CALDWELL WATER DEPARTMENT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["93008/CC003008"],"sum20":null,"pfas4":{"value":0.0138,"valueText":"0.0138","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":"be32a9c4f5cdbde8b37ba68cde49bda602817458470aff6dff373c38647b5fea"},{"id":"810-70274-1","date":"2023-07-18","commune":"NJ0721001","communeName":"WEST CALDWELL WATER DEPARTMENT","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["93008/CC003008"],"sum20":null,"pfas4":{"value":0.0131,"valueText":"0.0131","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":"5cacb2be879546bc87a626fc450a37b70b7793495d5d4f43b132e04751d327b6"}],"revision":"2d62fbd5a4ea9cacedcbc336ce8b584eded5a514367e9734a731ad0d9a4bb3f6","us":{"pwsid":"NJ0721001","state":"NJ","systemType":"CWS","sizeClass":"L","sourceWater":["SW"],"counties":["Essex"],"zips":["07006"],"entryPoints":1,"samples":6,"detectedCompounds":["PFOA","PFOS","PFBA","PFHxA","PFPeA"],"treatment":["NMT"],"potentialSources":"Yes","pfoaMax":0.0083,"pfosMax":0.0055,"hazardIndex":null,"centroidSource":"sab"}}