Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Brunswick / Topsham Water District

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND60ND
2023ND80ND

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
2022-07-182207-03085-003ND
2022-07-182207-03085-002ND
2022-07-182207-03085-001ND
2022-07-21402201614ND
2022-11-012211-00281-002ND
2022-11-012211-00281-001ND
2023-06-20M3E1340-01ND
2023-06-20M3E1340-03ND
2023-06-20M3E1340-05ND
2023-07-102307-01218-005ND
2023-07-102307-01218-003ND
2023-12-13M3K0602-01ND
2023-12-13M3K0602-03ND
2023-12-13M3K0602-05ND