Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Pepperell DPW Water Division

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.

 

146

Samples

0

Samples exceeding legal limit (MCL)

10

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
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND470ND
20220.0430 ppt503ND - 0.898 ppt
20230.1000 ppt497ND - 0.775 ppt

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 Result
2021-03-08ND
2021-03-08ND
2021-03-08ND
2021-03-08ND
2021-03-08ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-06-23ND
2021-06-23ND
2021-06-23ND
2021-06-23ND
2021-06-23ND
2021-07-22ND
2021-07-22ND
2021-07-22ND
2021-08-18ND
2021-08-18ND
2021-08-18ND
2021-08-18ND
2021-09-22ND
2021-09-22ND
2021-09-22ND
2021-10-15ND
2021-10-15ND
2021-10-15ND
2021-10-15ND
2021-10-15ND
2021-10-15ND
2021-10-15ND
2021-11-17ND
2021-11-17ND
2021-11-17ND
2021-11-17ND
2021-12-20ND
2021-12-20ND
2021-12-20ND
2021-12-20ND
2022-01-13ND
2022-01-13ND
2022-01-13ND
2022-01-13ND
2022-01-13ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-22ND
2022-03-17ND
2022-03-17ND
2022-03-17ND
2022-03-17ND
2022-04-19ND
2022-04-19ND
2022-04-28ND
2022-04-28ND
2022-05-09ND
2022-05-12ND
2022-05-120.898 ppt
2022-05-120.607 ppt
2022-06-13ND
2022-06-13ND
2022-06-13ND
2022-06-13ND
2022-07-26ND
2022-07-26ND
2022-07-260.652 ppt
2022-07-26ND
2022-07-26ND
2022-09-13ND
2022-09-13ND
2022-09-13ND
2022-09-13ND
2022-09-13ND
2022-09-13ND
2022-09-13ND
2022-10-04ND
2022-10-04ND
2022-10-04ND
2022-10-04ND
2022-10-05ND
2022-11-01ND
2022-11-01ND
2022-11-01ND
2022-11-01ND
2022-12-06ND
2022-12-06ND
2022-12-06ND
2022-12-06ND
2023-01-03ND
2023-01-03ND
2023-01-03ND
2023-01-03ND
2023-01-25ND
2023-01-25ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-07ND
2023-02-09ND
2023-03-06ND
2023-03-06ND
2023-03-06ND
2023-03-06ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-05-02ND
2023-05-02ND
2023-05-02ND
2023-05-03ND
2023-06-06ND
2023-06-06ND
2023-06-06ND
2023-07-24ND
2023-07-24ND
2023-07-24ND
2023-07-24ND
2023-07-240.612 ppt
2023-08-080.775 ppt
2023-08-080.728 ppt
2023-08-080.721 ppt
2023-08-16ND
2023-09-12ND
2023-09-12ND
2023-09-12ND
2023-09-19ND
2023-09-19ND
2023-10-03ND
2023-10-03ND
2023-10-03ND
2023-11-07ND
2023-11-07ND
2023-11-07ND
2023-12-070.700 ppt
2023-12-070.729 ppt
2023-12-070.638 ppt