Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Aquarion Water Company of Connecticut - Valley System

NOTE: Aquarion Water Company of Connecticut - Valley System purchases water from Regional Water Authority which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Regional Water 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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND90ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND150ND

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: Aquarion Water Company of Connecticut - Valley System purchases water from Regional Water Authority which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Regional Water Authority.

Date Lab ID Result
2023-09-1867914701ND
2023-09-1867914001ND
2023-09-1867914101ND
2023-09-1867914401ND
2023-09-1867914301ND
2023-09-1867914201ND
2023-09-1967915101ND
2023-09-1967914901ND
2023-09-2067914801ND
2023-09-2767914601ND
2023-11-2768847201ND
2023-12-1368756001ND
2023-12-1368755901ND
2023-12-1368755801ND
2023-12-1368755701ND
2024-03-1869472901ND
2024-03-1869472801ND
2024-03-1869473101ND
2024-03-1869473001ND
2024-03-1869473501ND
2024-03-1869472701ND
2024-03-1869473401ND
2024-03-1969473701ND
2024-03-1969473201ND
2024-03-2069473601ND
2024-03-2069473301ND
2024-06-1170421001ND
2024-06-1170420901ND
2024-06-1170420801ND
2024-06-1170421101ND