{"schemaVersion":2,"id":"us-PA7010022","communeId":"PA7010022","name":"Littlestown Boro","slug":"littlestown-boro-pa7010022","country":"us","region":"Pennsylvania","supplier":"LITTLESTOWN BORO","networks":[{"code":"101/E","name":"Entry Point (SOUTH QUEEN STREET)"},{"code":"102/E","name":"Entry Point (LUMBER ST)"},{"code":"104/E","name":"Entry Point (WELL 11)"},{"code":"106/E","name":"Entry Point (BRIARWOOD)"},{"code":"107/E","name":"Entry Point (MEADOWVIEW)"},{"code":"108/E","name":"Entry Point (APPLER)"},{"code":"109/E","name":"Entry Point (HERITAGE HILL)"}],"latestSampleDate":"2024-07-15T00:00:00Z","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. 7 entry points sampled, 14 sampling events between 2024-01-16 and 2024-07-15. The page's PFAS values come from the newest sample at Entry Point (APPLER) (108/E), 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":0.0234,"valueText":"0.0234","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2024-07-15T00:00:00Z","sampleId":"119010P"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"PA7010022","name":"Entry Point (APPLER)","network":"108/E"},"qualifiers":[{"name":"PFNA","valueText":"<0.004","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":"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":"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":"119005P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/E"],"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":"ea9c9cc5138521d4dc51a69771fc98bb0e0340242258d35215dc9a0f54b16b79"},{"id":"119006P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["102/E"],"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":"4f56590f265b0f5f12db02aba8b14443b467593b4b93964e59ccc0418d9a21a9"},{"id":"119007P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["104/E"],"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":"8ffec9b14f3a39ff776d9bb11fe57db842aa3546cbbb8047a2e380a82828cc39"},{"id":"119008P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["106/E"],"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":"a7535ad0274b6bde7874aebfbf93ec4b237c149cddbd7fd38375cdf5f0003dee"},{"id":"119009P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["107/E"],"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":"3356c0f94524cda6cfe32ad98eccf65a96a775a31e185f70b5bb2a780f2952c3"},{"id":"119010P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["108/E"],"sum20":null,"pfas4":{"value":0.0234,"valueText":"0.0234","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"34668af5d22d8087f906c3cddc029f29defbf7d4273c3dc8fa09b5fe6be3f531"},{"id":"119011P","date":"2024-07-15","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["109/E"],"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":"bd7502d41d54f7d0e6fafb051e7573c7b446252ebade395e409a4df27f05bfa5"},{"id":"111811P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/E"],"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":"7dbe89519d8a70c32e25f117295fabb1e76b23254531a008c65fdd45a2344f56"},{"id":"111812P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["102/E"],"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":"a5fbe039db968b4ec84f016a95a49b644d71954b411fd01d0349abe3786c7ec3"},{"id":"111813P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["104/E"],"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":"ba44ba12849d88b241cc1b9c72d35151a33e6f82c54f33b79a25d6f996cf5adb"},{"id":"111814P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["106/E"],"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":"a4ca3aeb1e162de945cb459cf30b8a5b8c0a48df032ee28316e5c396b0deeba3"},{"id":"111815P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["107/E"],"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":"4e22a3775c0f86d74c585aac0ee973d60c80603a083b8e6e903fc503d9c5e37f"},{"id":"111816P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["108/E"],"sum20":null,"pfas4":{"value":0.0182,"valueText":"0.0182","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFNA","valueText":"<0.004","unit":"µg/L"}]},"revision":"aed059c6fac8b8d6bbebc1544ad3fa3402d608b7a255c4a07504a302405101ad"},{"id":"111817P","date":"2024-01-16","commune":"PA7010022","communeName":"LITTLESTOWN BORO","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["109/E"],"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":"ccb1fbc2c0ec8915ab53f9827159153da470371180e1ac67eaaf62caaf12de2d"}],"revision":"edd1c53cfa01f388f8a9429d22393db974df448f8b5eab9be7bb7d0a24b21167","us":{"pwsid":"PA7010022","state":"PA","systemType":"CWS","sizeClass":"S","sourceWater":["GW"],"counties":["Adams"],"zips":["17340"],"entryPoints":7,"samples":14,"detectedCompounds":["PFOA","PFOS","PFHxS","PFBS","PFHxA","PFPeA"],"treatment":[],"potentialSources":"No","pfoaMax":0.0045,"pfosMax":0.0129,"hazardIndex":0.6033,"centroidSource":"sab"}}