Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Ayden, Town of

NOTE: Ayden, Town of purchases water from Neuse Regional Water and Sewer Authority which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Neuse Regional Water and Sewer 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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND10ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A
2024ND90ND

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

NOTE: Ayden, Town of purchases water from Neuse Regional Water and Sewer Authority which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Neuse Regional Water and Sewer Authority.

Date Lab ID Result
2014-02-192977721ND
2014-05-123024193ND
2014-08-113080351ND
2014-11-123137964ND
2019-08-06ND