Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Allendale Water Department

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.

 

93

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20180.833 ppt31ND - 2.50 ppt
20190.678 ppt236ND - 3.80 ppt
20200.961 ppt266ND - 9.12 ppt
20210.842 ppt155ND - 3.13 ppt
20220.454 ppt102ND - 2.43 ppt
2023ND150ND
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
2018-10-1520181001800102.50 ppt
2018-10-152018100180009ND
2018-11-09201811140598ND
2019-01-16201901180422ND
2019-01-162019011804232.60 ppt
2019-01-16201901180424ND
2019-02-12201902140391ND
2019-02-12201902140393ND
2019-02-12201902140395ND
2019-04-17201904180517ND
2019-04-172019041805152.30 ppt
2019-04-17201904180509ND
2019-08-19201908200671ND
2019-08-192019082006732.00 ppt
2019-08-19201908200675ND
2019-08-19201908200653ND
2019-08-192019082006352.80 ppt
2019-08-19201908200637ND
2019-08-19201908200655ND
2019-10-09201910110777ND
2019-10-09201910110773ND
2019-10-09201910110775ND
2019-10-092019101107592.10 ppt
2019-10-09201910110757ND
2019-10-09201910110761ND
2019-11-062019110708503.80 ppt
2020-01-162020011702202.40 ppt
2020-01-16202001170222ND
2020-01-162020011702244.00 ppt
2020-01-16202001170226ND
2020-01-16202001170303ND
2020-03-190030939-01ND
2020-04-020040178-012.87 ppt
2020-04-020040178-07ND
2020-04-020040178-05ND
2020-04-020040178-039.12 ppt
2020-04-020040177-05ND
2020-04-020040177-033.44 ppt
2020-04-020040177-01ND
2020-07-020070155-01ND
2020-07-020070155-03ND
2020-07-020070155-05ND
2020-07-020070152-03ND
2020-07-020070152-01ND
2020-07-020070152-05ND
2020-10-080100519-07ND
2020-10-080100518-03ND
2020-10-080100519-033.16 ppt
2020-10-080100519-01ND
2020-10-080100518-05ND
2020-10-080100519-05ND
2020-10-080100518-01ND
2021-01-071010338-01ND
2021-01-071010338-042.47 ppt
2021-01-071010338-06ND
2021-01-071010337-05ND
2021-01-071010337-012.26 ppt
2021-01-071010337-033.13 ppt
2021-01-071010337-07ND
2021-04-081040421-04ND
2021-04-081040421-012.64 ppt
2021-04-081040421-06ND
2021-07-011070121-01ND
2021-07-011070121-042.13 ppt
2021-07-011070121-07ND
2021-10-201101041-01ND
2021-10-201101041-04ND
2022-01-062010302-01ND
2022-01-062010302-02ND
2022-04-072040467-01ND
2022-04-072040467-04ND
2022-07-142070774-022.11 ppt
2022-07-142070774-04ND
2022-07-212071102-01ND
2022-10-132100675-01ND
2022-10-132100675-042.43 ppt
2022-10-132100675-06ND
2023-01-1223A0664-01ND
2023-01-1223A0664-03ND
2023-01-17100441PND
2023-01-17100440PND
2023-01-17100849PND
2023-04-1323D0677-04ND
2023-04-1323D0677-01ND
2023-04-18104419PND
2023-06-0823F0472-01ND
2023-07-1323G0773-01ND
2023-07-1323G0773-03ND
2023-07-1923G1213-01ND
2023-07-1923G1213-02ND
2023-10-1123J0844-01ND
2023-10-1123J0844-03ND
2024-02-14112146PND