Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Western Allegheny County Mun A

NOTE: Western Allegheny County Mun A purchases water from Pennsylvania American Water Pittsburgh which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Pennsylvania American Water Pittsburgh.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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: Western Allegheny County Mun A purchases water from Pennsylvania American Water Pittsburgh which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Pennsylvania American Water Pittsburgh.

Date Lab ID Result
2024-01-0869150201ND
2024-01-0969151301ND
2024-01-0969151201ND
2024-04-1569785301ND
2024-04-2269786001ND
2024-04-2269786101ND
2024-07-0870958101ND
2024-07-0870958201ND