{"schemaVersion":2,"id":"us-PA1090128","communeId":"PA1090128","name":"Dtma Main System","slug":"dtma-main-system-pa1090128","country":"us","region":"Pennsylvania","supplier":"DTMA MAIN SYSTEM","networks":[{"code":"101/EP101","name":"SOUTH WELL 1 Entry Point (SOUTH WELL 1)"},{"code":"103/EP103","name":"SOUTH WELL 6 Entry Point (SOUTH WELL 6)"},{"code":"104/EP104","name":"SOUTH WELL 7 Entry Point (SOUTH WELL 7)"},{"code":"107/EP107","name":"NORTH WELLS 3&4 Entry Point (NORTH WELLS 3&4 EP)"},{"code":"108/EP108","name":"CENTRAL WELL 3 Entry Point (CENTRAL WELL 3)"},{"code":"110/EP110","name":"CENTRAL WELL 7 Entry Point (CENTRAL WELL 7)"},{"code":"111/EP111","name":"NORTHWEST WELL 1 Entry Point (NORTHWEST WELL 1)"},{"code":"112/EP112","name":"NPWA INTERCONNECTION Entry Point (NPWA INTERCONNECTION)"}],"latestSampleDate":"2025-10-21T00:00:00Z","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). 8 entry points sampled, 18 sampling events between 2025-01-23 and 2025-10-21. The page's PFAS values come from the newest sample at CENTRAL WELL 7 Entry Point (CENTRAL WELL 7) (110/EP110), 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":0.0273,"valueText":"0.0273","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-07-15T00:00:00Z","sampleId":"130043P"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"PA1090128","name":"CENTRAL WELL 7 Entry Point (CENTRAL WELL 7)","network":"110/EP110"},"qualifiers":[{"name":"PFHxS","valueText":"<0.003","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":"PFDA","valueText":"<0.003","unit":"µg/L"},{"name":"PFDoA","valueText":"<0.003","unit":"µg/L"},{"name":"PFEESA","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":"133446P","date":"2025-10-21","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["112/EP112"],"sum20":null,"pfas4":{"value":null,"valueText":"<0.015","unit":"µg/L","nonDetect":true,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"e6a30b99d7302eb82749f4555e6609306d139604f2dbe81983fa2c0c21cf9af4"},{"id":"130038P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/EP101"],"sum20":null,"pfas4":{"value":0.0165,"valueText":"0.0165","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":"2d0cc2951f16a6b5542369567c0279465317c6c603b5e22496d30a1c589dc59b"},{"id":"130039P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["103/EP103"],"sum20":null,"pfas4":{"value":0.0194,"valueText":"0.0194","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":"aaab56f1be6a314cafb517cb72c76c1bf20af97529069e493db52280aec6059e"},{"id":"130040P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["104/EP104"],"sum20":null,"pfas4":{"value":0.0219,"valueText":"0.0219","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":"5b8318f3f938c9cec52bdbe39861686ce2a25b2d83f095f5d7ed220694045f45"},{"id":"130041P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["107/EP107"],"sum20":null,"pfas4":{"value":0.0168,"valueText":"0.0168","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":"dad23586e09c0570c2a7b2181e32907e0c92ea58eb28c89833ab75eac2661a3c"},{"id":"130042P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["108/EP108"],"sum20":null,"pfas4":{"value":0.0268,"valueText":"0.0268","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"e5c8b9a689b508801bcade91da35341a14163a44f765f300def83117f07664f4"},{"id":"130043P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["110/EP110"],"sum20":null,"pfas4":{"value":0.0273,"valueText":"0.0273","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"8dbec26233240bd786d2907bc1578bd4ab5b215134fca78733f48f87086cdbe3"},{"id":"130044P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["111/EP111"],"sum20":null,"pfas4":{"value":0.0245,"valueText":"0.0245","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":"a7a3698d17ce6aafd7404ea3756143d3ac4bf2d91264e678340ed8147aa6cd1f"},{"id":"130045P","date":"2025-07-15","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["112/EP112"],"sum20":null,"pfas4":{"value":null,"valueText":"<0.015","unit":"µg/L","nonDetect":true,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"8e3e7a35f47145eb8ec3a5b27de22614f9a9d6b6aa37bf1fe8a919df50391192"},{"id":"127777P","date":"2025-04-22","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["112/EP112"],"sum20":null,"pfas4":{"value":null,"valueText":"<0.015","unit":"µg/L","nonDetect":true,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"b64c3b038bc8822af8487a2d488ef3e804e122b9305e8532f8e009c8a2beed2b"},{"id":"124869P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/EP101"],"sum20":null,"pfas4":{"value":0.0163,"valueText":"0.0163","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":"e874aab0dc8f049d77cb977cc64b8d23ab2d6d86ebb4e800129d7aa25a61f975"},{"id":"124870P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["103/EP103"],"sum20":null,"pfas4":{"value":0.0214,"valueText":"0.0214","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":"41187ffdc03913e0ab2ed988f2318102c8b67556dd6b8914e1eda12bb113d4f7"},{"id":"124871P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["104/EP104"],"sum20":null,"pfas4":{"value":0.0209,"valueText":"0.0209","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":"09a8c974f9d9f82c61d5cb62105610d2a46a978857624812653785b3c3c52674"},{"id":"124872P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["107/EP107"],"sum20":null,"pfas4":{"value":0.0187,"valueText":"0.0187","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":"a782620e2f136686c79a48ab2ccb9faeaaef486d10da2f5649a829e3714035b7"},{"id":"124873P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["108/EP108"],"sum20":null,"pfas4":{"value":0.026,"valueText":"0.026","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"0d212665c62c71ad2f4db77409d818b31f832b44ccec1dabf620880a114e0828"},{"id":"124874P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["110/EP110"],"sum20":null,"pfas4":{"value":0.0303,"valueText":"0.0303","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"ac28f331d62882ee7201df36b3dc272ec1b815fdf5526557b0bae3ab50a1d313"},{"id":"124875P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["111/EP111"],"sum20":null,"pfas4":{"value":0.0203,"valueText":"0.0203","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":"06a76d30a3d8b9f54db404226a3c9de04fe8495ebbe073249195038f3b0f69f0"},{"id":"124876P","date":"2025-01-23","commune":"PA1090128","communeName":"DTMA MAIN SYSTEM","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["112/EP112"],"sum20":null,"pfas4":{"value":null,"valueText":"<0.015","unit":"µg/L","nonDetect":true,"lowerBound":true,"qualifiers":[{"name":"PFOA","valueText":"<0.004","unit":"µg/L"},{"name":"PFOS","valueText":"<0.004","unit":"µg/L"},{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"},{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"4645898ead87aed2a29e6963215c8bb1767f2e6ff39b25174b232fb90bbd0da0"}],"revision":"22733b0bff7bfb984f350aeb9c149ef8215a5ff759b8a40e06cce8175da1ea54","us":{"pwsid":"PA1090128","state":"PA","systemType":"CWS","sizeClass":"S","sourceWater":["GW","SW"],"counties":["Bucks"],"zips":["18901","18902","18912","18914","18923","18925","18929","18976"],"entryPoints":8,"samples":18,"detectedCompounds":["PFOA","PFOS","PFNA","PFBS","PFBA","PFHpA","PFHxA","PFPeA"],"treatment":["NMT"],"potentialSources":"No","pfoaMax":0.0142,"pfosMax":0.0134,"hazardIndex":0.6617,"centroidSource":"sab"}}