Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Warminster Municipal Authority

Perfluorooctane sulfonate (PFOS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

398

Samples

0

Samples exceeding legal limit (MCL)

70

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND220ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
20200.0820 ppt1303ND - 4.70 ppt
202113.0 ppt404ND - 160.0 ppt
202239.6 ppt14246ND - 200.0 ppt
202325.4 ppt8517ND - 210.0 ppt
2024ND10ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppt

The EWG Health Guideline of 0.3 ppt for PFOS was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2020-01-0824998700.00ND
2020-01-0824998702.00ND
2020-01-0824998622.00ND
2020-01-0824998624.00ND
2020-01-0824998748.00ND
2020-01-0824998750.00ND
2020-01-2224998706.00ND
2020-01-2224998708.00ND
2020-01-2224998628.00ND
2020-01-2224998630.00ND
2020-02-0524998712.00ND
2020-02-0524998714.00ND
2020-02-0524998634.00ND
2020-02-0524998636.00ND
2020-02-1924998718.00ND
2020-02-1924998720.00ND
2020-02-1924998640.00ND
2020-02-1924998642.00ND
2020-02-1925198934.00ND
2020-02-1926098971.00ND
2020-03-0424998646.00ND
2020-03-0424998648.00ND
2020-03-0424998757.00ND
2020-03-0424998759.00ND
2020-03-1824998652.00ND
2020-03-1824998654.00ND
2020-03-1824998763.00ND
2020-03-1824998765.00ND
2020-04-0124998658.00ND
2020-04-0124998660.00ND
2020-04-0124998769.00ND
2020-04-0124998771.00ND
2020-04-1524998664.00ND
2020-04-1524998666.00ND
2020-04-1524998775.00ND
2020-04-1524998777.00ND
2020-05-0624998670.00ND
2020-05-0624998672.00ND
2020-05-0624998781.00ND
2020-05-0624998783.00ND
2020-05-2024998724.00ND
2020-05-2024998726.00ND
2020-05-2024998676.00ND
2020-05-2024998678.00ND
2020-05-2024998787.00ND
2020-05-2024998789.00ND
2020-06-0324998730.00ND
2020-06-0324998732.00ND
2020-06-0324998682.00ND
2020-06-0324998684.00ND
2020-06-0324998793.00ND
2020-06-0324998795.00ND
2020-06-1724998736.00ND
2020-06-1724998738.00ND
2020-06-1724998688.00ND
2020-06-1724998690.00ND
2020-06-1724998799.00ND
2020-06-1724998801.00ND
2020-07-0824998742.00ND
2020-07-0824998744.00ND
2020-07-0824998694.00ND
2020-07-0824998696.00ND
2020-07-0824998805.00ND
2020-07-0824998807.00ND
2020-07-2224620573.00ND
2020-07-2224620575.00ND
2020-07-2224620507.00ND
2020-07-2224620509.00ND
2020-07-2224621304.00ND
2020-07-2224621306.00ND
2020-08-1324620579.00ND
2020-08-1324620581.00ND
2020-08-1324620513.00ND
2020-08-1324620515.00ND
2020-08-1324621310.00ND
2020-08-1324621312.00ND
2020-08-2524620585.00ND
2020-08-2524620587.00ND
2020-08-2524620519.00ND
2020-08-2524620521.00ND
2020-08-2524621316.00ND
2020-08-2524621318.00ND
2020-09-0924620591.00ND
2020-09-0924620593.00ND
2020-09-0924620525.00ND
2020-09-0924620527.00ND
2020-09-0924621322.00ND
2020-09-0924621324.00ND
2020-09-2324620597.00ND
2020-09-2324620599.00ND
2020-09-2324620531.00ND
2020-09-2324620533.00ND
2020-09-2324621328.00ND
2020-09-2324621330.00ND
2020-10-0724620603.00ND
2020-10-0724620605.00ND
2020-10-0724620537.00ND
2020-10-0724620539.00ND
2020-10-0724810909.00ND
2020-10-0724810911.00ND
2020-10-2124620609.00ND
2020-10-2124620611.00ND
2020-10-2124620543.00ND
2020-10-2124620545.00ND
2020-10-2124810915.00ND
2020-10-2124810917.00ND
2020-11-0424620615.00ND
2020-11-0424620617.00ND
2020-11-0424620549.00ND
2020-11-0424620551.00ND
2020-11-0424810921.00ND
2020-11-0424810923.00ND
2020-11-1824620621.00ND
2020-11-1824620623.00ND
2020-11-1824620555.00ND
2020-11-1824620557.00ND
2020-11-1824810927.00ND
2020-11-1824810929.00ND
2020-12-0224620627.002.30 ppt
2020-12-0224620629.00ND
2020-12-0224620561.00ND
2020-12-0224620563.00ND
2020-12-0224810933.00ND
2020-12-0224810935.00ND
2020-12-1524620633.003.60 ppt
2020-12-1524620635.00ND
2020-12-1524620567.00ND
2020-12-1524620569.00ND
2020-12-1524810939.004.70 ppt
2020-12-1524810941.00ND
2021-07-0724810994.00ND
2021-07-0724811006.00ND
2021-07-0724811030.00ND
2021-07-0724811042.00ND
2021-07-0724810958.00ND
2021-07-0724810970.00ND
2021-09-0125202810.00ND
2021-09-0125202822.00ND
2021-09-0125202774.00ND
2021-09-0125202786.00ND
2021-09-1525386692.00ND
2021-09-1525386740.00ND
2021-09-1525386704.00ND
2021-09-1525386716.00ND
2021-10-1225571157.00ND
2021-10-1225571169.00ND
2021-10-1225571121.00ND
2021-10-1225571133.00ND
2021-10-2125387387.00ND
2021-10-2125387411.00ND
2021-11-0325571193.00ND
2021-11-0325571241.00ND
2021-11-0325571205.00ND
2021-11-0325571217.00ND
2021-11-1725571981.00ND
2021-11-1725572017.00160.0 ppt
2021-11-1725572029.00ND
2021-11-1725571969.00110.0 ppt
2021-11-1725571993.00ND
2021-11-1725572005.00ND
2021-12-0125747163.00ND
2021-12-0125747211.00ND
2021-12-0125747175.00ND
2021-12-0125747187.00ND
2021-12-1425747340.00ND
2021-12-1425747376.00150.0 ppt
2021-12-1425747388.00ND
2021-12-1425747328.00100.0 ppt
2021-12-1425747352.00ND
2021-12-1425747364.00ND
2022-01-0525925294.00ND
2022-01-0525925330.00150.0 ppt
2022-01-0525925342.00ND
2022-01-0525925282.00100.0 ppt
2022-01-0525925306.00ND
2022-01-0525925318.00ND
2022-01-1925925958.00ND
2022-01-1925925994.00160.0 ppt
2022-01-1925926006.00ND
2022-01-1925925946.0095.0 ppt
2022-01-1925925970.00ND
2022-01-1925925982.00ND
2022-02-0226101418.00ND
2022-02-0226101454.00170.0 ppt
2022-02-0226101466.00ND
2022-02-0226101406.00100.0 ppt
2022-02-0226101430.00ND
2022-02-0226101442.00ND
2022-02-1626101938.00ND
2022-02-1626101974.00190.0 ppt
2022-02-1626101986.00ND
2022-02-1626101926.0092.0 ppt
2022-02-1626101950.00ND
2022-02-1626101962.00ND
2022-03-0226102150.00ND
2022-03-0226102186.00190.0 ppt
2022-03-0226102198.00ND
2022-03-0226102138.0089.0 ppt
2022-03-0226102162.00ND
2022-03-0226102174.00ND
2022-03-1526271117.00ND
2022-03-1526271153.00180.0 ppt
2022-03-1526271165.00ND
2022-03-1526271105.0074.0 ppt
2022-03-1526271129.00ND
2022-03-1526271141.00ND
2022-04-0626446022.00ND
2022-04-0626446058.00180.0 ppt
2022-04-0626446070.00ND
2022-04-0626446010.0067.0 ppt
2022-04-0626446034.00ND
2022-04-0626446046.00ND
2022-04-1926446675.00ND
2022-04-1926446711.00200.0 ppt
2022-04-1926446723.00ND
2022-04-1926446663.0070.0 ppt
2022-04-1926446687.00ND
2022-04-1926446699.00ND
2022-05-0426630208.00ND
2022-05-0426630244.00160.0 ppt
2022-05-0426630256.00ND
2022-05-0426630196.0071.0 ppt
2022-05-0426630220.00ND
2022-05-0426630232.00ND
2022-05-2326630897.00ND
2022-05-2326630933.00180.0 ppt
2022-05-2326630945.00ND
2022-05-2326630885.0072.0 ppt
2022-05-2326630909.00ND
2022-05-2326630921.00ND
2022-06-0126825186.00ND
2022-06-0126825234.00ND
2022-06-0126825198.00ND
2022-06-0126825210.00ND
2022-06-1426825258.00ND
2022-06-1426825294.00180.0 ppt
2022-06-1426825306.00ND
2022-06-1426825246.0075.0 ppt
2022-06-1426825270.00ND
2022-06-1426825282.00ND
2022-07-0827019752.00ND
2022-07-0827019788.00180.0 ppt
2022-07-0827019800.00ND
2022-07-0827019740.0077.0 ppt
2022-07-0827019764.00ND
2022-07-0827019776.00ND
2022-07-2527214895.00ND
2022-07-2527214931.00150.0 ppt
2022-07-2527214943.00ND
2022-07-2527214883.0093.0 ppt
2022-07-2527214907.00ND
2022-07-2527214919.00ND
2022-08-0327214967.00ND
2022-08-0327215003.00100.0 ppt
2022-08-0327215015.00ND
2022-08-0327214955.0085.0 ppt
2022-08-0327214979.00ND
2022-08-0327214991.00ND
2022-08-1727215677.00ND
2022-08-1727215713.00130.0 ppt
2022-08-1727215725.00ND
2022-08-1727215665.0099.0 ppt
2022-08-1727215689.00ND
2022-08-1727215701.00ND
2022-09-0727421582.00ND
2022-09-0727421618.0096.0 ppt
2022-09-0727421630.00ND
2022-09-0727421570.00110.0 ppt
2022-09-0727421594.00ND
2022-09-0727421606.00ND
2022-09-2127422332.00ND
2022-09-2127422368.00100.0 ppt
2022-09-2127422380.00ND
2022-09-2127422320.00120.0 ppt
2022-09-2127422344.00ND
2022-09-2127422356.00ND
2022-10-0527624781.0096.0 ppt
2022-10-0527624793.00ND
2022-10-0527624805.00ND
2022-10-0527624745.00100.0 ppt
2022-10-0527624757.00ND
2022-10-0527624769.00ND
2022-10-1927625350.00130.0 ppt
2022-10-1927625362.00ND
2022-10-1927625374.00ND
2022-10-1927625314.00100.0 ppt
2022-10-1927625326.00ND
2022-10-1927625338.00ND
2022-11-0227806470.00ND
2022-11-0227806506.00140.0 ppt
2022-11-0227806518.00ND
2022-11-0227806458.0088.0 ppt
2022-11-0227806482.00ND
2022-11-0227806494.00ND
2022-11-1627807163.00ND
2022-11-1627807199.00150.0 ppt
2022-11-1627807211.00ND
2022-11-1627807151.00110.0 ppt
2022-11-1627807175.00ND
2022-11-1627807187.00ND
2022-12-0727982267.00ND
2022-12-0727982303.00150.0 ppt
2022-12-0727982315.00ND
2022-12-0727982255.0097.0 ppt
2022-12-0727982279.00ND
2022-12-0727982291.00ND
2022-12-2127982339.00ND
2022-12-2127982375.00190.0 ppt
2022-12-2127982387.00ND
2022-12-2127982327.0094.0 ppt
2022-12-2127982351.00ND
2022-12-2127982363.00ND
2023-01-0428155440.00ND
2023-01-0428155476.00170.0 ppt
2023-01-0428155488.00ND
2023-01-0428155428.0078.0 ppt
2023-01-0428155452.00ND
2023-01-0428155464.00ND
2023-01-1828156008.00ND
2023-01-1828156044.00200.0 ppt
2023-01-1828156056.00ND
2023-01-1828155996.0086.0 ppt
2023-01-1828156020.00ND
2023-01-1828156032.00ND
2023-02-0128332868.00ND
2023-02-0128332904.00190.0 ppt
2023-02-0128332916.00ND
2023-02-0128332856.0073.0 ppt
2023-02-0128332880.00ND
2023-02-0128332892.00ND
2023-02-1428504146.00ND
2023-02-1428504182.00170.0 ppt
2023-02-1428504194.00ND
2023-02-1428504134.0082.0 ppt
2023-02-1428504158.00ND
2023-02-1428504170.00ND
2023-03-0128504847.00ND
2023-03-0128504883.00190.0 ppt
2023-03-0128504895.00ND
2023-03-0128504835.0080.0 ppt
2023-03-0128504859.00ND
2023-03-0128504871.00ND
2023-03-1528683102.00ND
2023-03-1528683138.00210.0 ppt
2023-03-1528683150.00ND
2023-03-1528683090.0079.0 ppt
2023-03-1528683114.00ND
2023-03-1528683126.00ND
2023-04-0428683174.00ND
2023-04-0428683210.00ND
2023-04-0428683222.00ND
2023-04-0428683162.0074.0 ppt
2023-04-0428683186.00ND
2023-04-0428683198.00ND
2023-04-1928880672.00ND
2023-04-1928880720.00ND
2023-04-1928880684.00ND
2023-04-1928880696.00ND
2023-04-2828880732.00210.0 ppt
2023-05-0328881410.00ND
2023-05-0328881446.00190.0 ppt
2023-05-0328881458.00ND
2023-05-0328881398.0074.0 ppt
2023-05-0328881422.00ND
2023-05-0328881434.00ND
2023-05-1729089394.00ND
2023-05-1729089418.00ND
2023-06-0729090063.00ND
2023-06-0729090087.00ND
2023-06-2129089931.00ND
2023-06-2129089933.00ND
2023-07-0529284795.00ND
2023-07-0529284798.001.72 ppt
2023-07-1929284688.00ND
2023-07-1929284687.00ND
2023-08-0229476887.00ND
2023-08-1629476888.00ND
2023-08-1629476885.00ND
2023-08-2329477576.00ND
2023-09-0629682809.00ND
2023-09-1429682860.00ND
2023-09-2029683392.00ND
2023-09-2029683443.00ND
2023-10-0429869364.00ND
2023-10-0429869413.00ND
2023-10-1829869524.00ND
2023-10-1829869470.00ND
2023-10-313J05163-01ND
2023-11-0130053609.00ND
2023-11-0130053555.00ND
2023-11-023J04715-01ND
2023-11-1530053717.00ND
2023-11-1530053663.00ND
2023-12-0630229370.00ND
2023-12-0630229316.00ND
2023-12-1830229575.00ND
2023-12-1830229521.00ND
2024-02-074B00747-01ND