Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Warminster Municipal Authority

Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.

 

268

Samples

0

Samples exceeding legal limit (MCL)

66

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
2020ND10ND
20210.450 ppt404ND - 4.80 ppt
20221.21 ppt14246ND - 4.60 ppt
20230.667 ppt8516ND - 4.40 ppt
2024ND10ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2021-07-0724810998.00ND
2021-07-0724811010.00ND
2021-07-0724811034.00ND
2021-07-0724811046.00ND
2021-07-0724810962.00ND
2021-07-0724810974.00ND
2021-09-0125202809.00ND
2021-09-0125202821.00ND
2021-09-0125202773.00ND
2021-09-0125202785.00ND
2021-09-1525386691.00ND
2021-09-1525386739.00ND
2021-09-1525386703.00ND
2021-09-1525386715.00ND
2021-10-1225571156.00ND
2021-10-1225571168.00ND
2021-10-1225571120.00ND
2021-10-1225571132.00ND
2021-10-2125387386.00ND
2021-10-2125387410.00ND
2021-11-0325571192.00ND
2021-11-0325571240.00ND
2021-11-0325571204.00ND
2021-11-0325571216.00ND
2021-11-1725571980.00ND
2021-11-1725572016.004.80 ppt
2021-11-1725572028.00ND
2021-11-1725571968.004.60 ppt
2021-11-1725571992.00ND
2021-11-1725572004.00ND
2021-12-0125747162.00ND
2021-12-0125747210.00ND
2021-12-0125747174.00ND
2021-12-0125747186.00ND
2021-12-1425747339.00ND
2021-12-1425747375.004.40 ppt
2021-12-1425747387.00ND
2021-12-1425747327.004.20 ppt
2021-12-1425747351.00ND
2021-12-1425747363.00ND
2022-01-0525925293.00ND
2022-01-0525925329.004.60 ppt
2022-01-0525925341.00ND
2022-01-0525925281.004.10 ppt
2022-01-0525925305.00ND
2022-01-0525925317.00ND
2022-01-1925925957.00ND
2022-01-1925925993.004.40 ppt
2022-01-1925926005.00ND
2022-01-1925925945.003.70 ppt
2022-01-1925925969.00ND
2022-01-1925925981.00ND
2022-02-0226101417.00ND
2022-02-0226101453.004.30 ppt
2022-02-0226101465.00ND
2022-02-0226101405.004.00 ppt
2022-02-0226101429.00ND
2022-02-0226101441.00ND
2022-02-1626101937.00ND
2022-02-1626101973.004.50 ppt
2022-02-1626101985.00ND
2022-02-1626101925.003.90 ppt
2022-02-1626101949.00ND
2022-02-1626101961.00ND
2022-03-0226102149.00ND
2022-03-0226102185.004.50 ppt
2022-03-0226102197.00ND
2022-03-0226102137.003.50 ppt
2022-03-0226102161.00ND
2022-03-0226102173.00ND
2022-03-1526271116.00ND
2022-03-1526271152.004.30 ppt
2022-03-1526271164.00ND
2022-03-1526271104.003.30 ppt
2022-03-1526271128.00ND
2022-03-1526271140.00ND
2022-04-0626446021.00ND
2022-04-0626446057.003.70 ppt
2022-04-0626446069.00ND
2022-04-0626446009.002.80 ppt
2022-04-0626446033.00ND
2022-04-0626446045.00ND
2022-04-1926446674.00ND
2022-04-1926446710.004.00 ppt
2022-04-1926446722.00ND
2022-04-1926446662.003.00 ppt
2022-04-1926446686.00ND
2022-04-1926446698.00ND
2022-05-0426630207.00ND
2022-05-0426630243.003.60 ppt
2022-05-0426630255.00ND
2022-05-0426630195.003.10 ppt
2022-05-0426630219.00ND
2022-05-0426630231.00ND
2022-05-2326630896.00ND
2022-05-2326630932.003.80 ppt
2022-05-2326630944.00ND
2022-05-2326630884.003.20 ppt
2022-05-2326630908.00ND
2022-05-2326630920.00ND
2022-06-0126825185.00ND
2022-06-0126825233.00ND
2022-06-0126825197.00ND
2022-06-0126825209.00ND
2022-06-1426825257.00ND
2022-06-1426825293.003.90 ppt
2022-06-1426825305.00ND
2022-06-1426825245.003.10 ppt
2022-06-1426825269.00ND
2022-06-1426825281.00ND
2022-07-0827019751.00ND
2022-07-0827019787.004.20 ppt
2022-07-0827019799.00ND
2022-07-0827019739.003.30 ppt
2022-07-0827019763.00ND
2022-07-0827019775.00ND
2022-07-2527214894.00ND
2022-07-2527214930.004.20 ppt
2022-07-2527214942.00ND
2022-07-2527214882.003.60 ppt
2022-07-2527214906.00ND
2022-07-2527214918.00ND
2022-08-0327214966.00ND
2022-08-0327215002.003.20 ppt
2022-08-0327215014.00ND
2022-08-0327214954.003.20 ppt
2022-08-0327214978.00ND
2022-08-0327214990.00ND
2022-08-1727215676.00ND
2022-08-1727215712.004.10 ppt
2022-08-1727215724.00ND
2022-08-1727215664.003.60 ppt
2022-08-1727215688.00ND
2022-08-1727215700.00ND
2022-09-0727421581.00ND
2022-09-0727421617.003.20 ppt
2022-09-0727421629.00ND
2022-09-0727421569.003.80 ppt
2022-09-0727421593.00ND
2022-09-0727421605.00ND
2022-09-2127422331.00ND
2022-09-2127422367.003.50 ppt
2022-09-2127422379.00ND
2022-09-2127422319.004.00 ppt
2022-09-2127422343.00ND
2022-09-2127422355.00ND
2022-10-0527624780.003.20 ppt
2022-10-0527624792.00ND
2022-10-0527624804.00ND
2022-10-0527624744.003.50 ppt
2022-10-0527624756.00ND
2022-10-0527624768.00ND
2022-10-1927625349.003.40 ppt
2022-10-1927625361.00ND
2022-10-1927625373.00ND
2022-10-1927625313.003.50 ppt
2022-10-1927625325.00ND
2022-10-1927625337.00ND
2022-11-0227806469.00ND
2022-11-0227806505.003.70 ppt
2022-11-0227806517.00ND
2022-11-0227806457.003.40 ppt
2022-11-0227806481.00ND
2022-11-0227806493.00ND
2022-11-1627807162.00ND
2022-11-1627807198.004.20 ppt
2022-11-1627807210.00ND
2022-11-1627807150.004.30 ppt
2022-11-1627807174.00ND
2022-11-1627807186.00ND
2022-12-0727982266.00ND
2022-12-0727982302.004.40 ppt
2022-12-0727982314.00ND
2022-12-0727982254.003.70 ppt
2022-12-0727982278.00ND
2022-12-0727982290.00ND
2022-12-2127982338.00ND
2022-12-2127982374.004.30 ppt
2022-12-2127982386.00ND
2022-12-2127982326.003.50 ppt
2022-12-2127982350.00ND
2022-12-2127982362.00ND
2023-01-0428155439.00ND
2023-01-0428155475.003.50 ppt
2023-01-0428155487.00ND
2023-01-0428155427.003.30 ppt
2023-01-0428155451.00ND
2023-01-0428155463.00ND
2023-01-1828156007.00ND
2023-01-1828156043.003.90 ppt
2023-01-1828156055.00ND
2023-01-1828155995.003.50 ppt
2023-01-1828156019.00ND
2023-01-1828156031.00ND
2023-02-0128332867.00ND
2023-02-0128332903.003.70 ppt
2023-02-0128332915.00ND
2023-02-0128332855.003.00 ppt
2023-02-0128332879.00ND
2023-02-0128332891.00ND
2023-02-1428504145.00ND
2023-02-1428504181.003.50 ppt
2023-02-1428504193.00ND
2023-02-1428504133.003.20 ppt
2023-02-1428504157.00ND
2023-02-1428504169.00ND
2023-03-0128504846.00ND
2023-03-0128504882.003.80 ppt
2023-03-0128504894.00ND
2023-03-0128504834.003.20 ppt
2023-03-0128504858.00ND
2023-03-0128504870.00ND
2023-03-1528683101.00ND
2023-03-1528683137.003.90 ppt
2023-03-1528683149.00ND
2023-03-1528683089.003.20 ppt
2023-03-1528683113.00ND
2023-03-1528683125.00ND
2023-04-0428683173.00ND
2023-04-0428683209.00ND
2023-04-0428683221.00ND
2023-04-0428683161.003.00 ppt
2023-04-0428683185.00ND
2023-04-0428683197.00ND
2023-04-1928880671.00ND
2023-04-1928880719.00ND
2023-04-1928880683.00ND
2023-04-1928880695.00ND
2023-04-2828880731.004.40 ppt
2023-05-0328881409.00ND
2023-05-0328881445.004.30 ppt
2023-05-0328881457.00ND
2023-05-0328881397.003.30 ppt
2023-05-0328881421.00ND
2023-05-0328881433.00ND
2023-05-1729089393.00ND
2023-05-1729089417.00ND
2023-06-0729090062.00ND
2023-06-0729090086.00ND
2023-06-2129090122.00ND
2023-06-2129090123.00ND
2023-07-0529284789.00ND
2023-07-0529284791.00ND
2023-07-1929284682.00ND
2023-07-1929284681.00ND
2023-08-0229476876.00ND
2023-08-1629476877.00ND
2023-08-1629476874.00ND
2023-08-2329477577.00ND
2023-09-0629682810.00ND
2023-09-1429682861.00ND
2023-09-2029683393.00ND
2023-09-2029683444.00ND
2023-10-0429869365.00ND
2023-10-0429869414.00ND
2023-10-1829869525.00ND
2023-10-1829869471.00ND
2023-10-313J05163-01ND
2023-11-0130053610.00ND
2023-11-0130053556.00ND
2023-11-023J04715-01ND
2023-11-1530053718.00ND
2023-11-1530053664.00ND
2023-12-0630229371.00ND
2023-12-0630229317.00ND
2023-12-1830229576.00ND
2023-12-1830229522.00ND
2024-02-074B00747-01ND