{"schemaVersion":2,"id":"us-MI0005520","communeId":"MI0005520","name":"Portage","slug":"portage-mi0005520","country":"us","region":"Michigan","supplier":"PORTAGE","networks":[{"code":"06343/TP201","name":"Treatment Plant Tap (Milham Treatment)"},{"code":"06421/TP202","name":"Treatment Plant Tap (Amberly Treatment)"},{"code":"06422/TP203","name":"Treatment Plant Tap (Rolling Hills Treatment)"},{"code":"06423/TP204","name":"Treatment Plant Tap (Pershing Treatment)"},{"code":"06424/TP205","name":"Treatment Plant Tap (Wedgewood Treatment)"},{"code":"06425/TP206","name":"Treatment Plant Tap (Winterforest Treatment)"},{"code":"06426/TP207","name":"Treatment Plant Tap (Westfield Treatment)"},{"code":"06428/TP209","name":"Treatment Plant Tap (Portage Creek Treatment)"},{"code":"06535/TP223","name":"Treatment Plant Tap (Garden Lane #5 Treatment)"},{"code":"10218/TP224","name":"Treatment Plant Tap (Arsenic Treatment Plant (Garden Lane #1 - #4))"},{"code":"10219/TP211","name":"Treatment Plant Tap (Shuman Treatment)"}],"latestSampleDate":"2025-09-25T00:00:00Z","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: no PFAS treatment (NMT). 11 entry points sampled, 24 sampling events between 2025-03-11 and 2025-09-25. The page's PFAS values come from the newest sample at Treatment Plant Tap (Wedgewood Treatment) (06424/TP205), 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":0.0038,"valueText":"0.0038","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-09-25T00:00:00Z","sampleId":"810-165516-1"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":{"commune":"MI0005520","name":"Treatment Plant Tap (Wedgewood Treatment)","network":"06424/TP205"},"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFOS","valueText":"<0.004","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 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