{"schemaVersion":2,"id":"us-PA1090131","communeId":"PA1090131","name":"Richland TWP Water Authority","slug":"richland-twp-water-authority-pa1090131","country":"us","region":"Pennsylvania","supplier":"RICHLAND TWP WATER AUTHORITY","networks":[{"code":"101/EP101","name":"Sweet Briar Sample Tap (Sweet Briar)"},{"code":"102/EP102","name":"Richland Court Sample Tap (Richland Court)"},{"code":"104/EP104","name":"Walnut Bank Sample Tap (Walnut Bank)"}],"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). 3 entry points sampled, 6 sampling events between 2025-04-23 and 2025-10-21. The page's PFAS values come from the newest sample at Walnut Bank Sample Tap (Walnut Bank) (104/EP104), 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":0.0186,"valueText":"0.0186","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-10-21T00:00:00Z","sampleId":"133449P"},"pfas4DetectedCount":3,"lowerBound":true,"sampledAt":{"commune":"PA1090131","name":"Walnut Bank Sample Tap (Walnut Bank)","network":"104/EP104"},"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":"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":"PFHxA","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":"133447P","date":"2025-10-21","commune":"PA1090131","communeName":"RICHLAND TWP WATER AUTHORITY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/EP101"],"sum20":null,"pfas4":{"value":0.0106,"valueText":"0.0106","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":"41c5106f9c9a45b5574d6ee51fbdbf23758c3a93ce512119abdd792d6f6e2de6"},{"id":"133448P","date":"2025-10-21","commune":"PA1090131","communeName":"RICHLAND TWP WATER AUTHORITY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["102/EP102"],"sum20":null,"pfas4":{"value":0.015,"valueText":"0.015","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":"802ae918ade0622a08569f7287b1b999fb79380146cf6337dfb26a5b49381bfa"},{"id":"133449P","date":"2025-10-21","commune":"PA1090131","communeName":"RICHLAND TWP WATER AUTHORITY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["104/EP104"],"sum20":null,"pfas4":{"value":0.0186,"valueText":"0.0186","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"723d88be7c680a8966a84159137d417d5ebefa80b096271d8a8141f0619d85ff"},{"id":"127778P","date":"2025-04-23","commune":"PA1090131","communeName":"RICHLAND TWP WATER AUTHORITY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["101/EP101"],"sum20":null,"pfas4":{"value":0.0086,"valueText":"0.0086","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":"182bba08e1c00c3c55fe553f3b1fa13edae8a70e23fb049a3214a3563553db70"},{"id":"127779P","date":"2025-04-23","commune":"PA1090131","communeName":"RICHLAND TWP WATER AUTHORITY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["102/EP102"],"sum20":null,"pfas4":{"value":0.0142,"valueText":"0.0142","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":"d17f9d928141d74923655e4a2625ae4686d0c07da8bff89cc0e448df1bae2e5b"},{"id":"127780P","date":"2025-04-23","commune":"PA1090131","communeName":"RICHLAND TWP WATER AUTHORITY","sourceUrl":"https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule","networks":["104/EP104"],"sum20":null,"pfas4":{"value":0.018,"valueText":"0.018","unit":"µg/L","nonDetect":false,"lowerBound":true,"qualifiers":[{"name":"PFHxS","valueText":"<0.003","unit":"µg/L"}]},"revision":"a42247b5dee1ecea364c84b08a007a1ffb6f4d17d9107314ca89754dc79f8ee0"}],"revision":"2aefb947fdf26a7f19dd6829d6133fcdf219519654313f13de3cf4a86220fa4c","us":{"pwsid":"PA1090131","state":"PA","systemType":"CWS","sizeClass":"S","sourceWater":["GW"],"counties":["Bucks"],"zips":["18951"],"entryPoints":3,"samples":6,"detectedCompounds":["PFOA","PFOS","PFNA","PFBS","PFBA","PFHxA","PFPeA"],"treatment":["NMT"],"potentialSources":"No","pfoaMax":0.0071,"pfosMax":0.0083,"hazardIndex":0.5119,"centroidSource":"sab"}}