Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Ardmore Water System

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

1

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
2020ND60ND
2021N/A00N/A
20220.780 ppt51ND - 3.90 ppt
2023ND120ND
2024ND50ND

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
2020-02-2820144380002_PFASND
2020-02-2820144380003_PFASND
2020-02-2820144380001_PFASND
2020-08-1320167216001_PFASND
2020-08-1320167216002_PFASND
2020-08-1320167216003_PFASND
2022-09-0235744081001_PFASND
2022-09-0235744081002_PFASND
2022-11-2835762245001_PFASND
2022-11-2835762245003_PFASND
2022-12-1335766151001_PFAS3.90 ppt
2023-02-2735782139001_PFASND
2023-02-2735782139003_PFASND
2023-02-2735782139005_PFASND
2023-05-0435797065001_PFASND
2023-05-0435797071001_PFASND
2023-05-0435797065003_PFASND
2023-08-1835821817001_PFASND
2023-08-1835821817003_PFASND
2023-08-1835821819001_PFASND
2023-10-2035836012004_PFASND
2023-10-2035836012005_PFASND
2023-11-0735839705001_PFASND
2024-03-05114098PND
2024-03-05114099PND
2024-03-05114100PND
2024-09-10120544PND
2024-09-10120546PND