Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Prairie Path Water Company-oakwood

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND20ND
20220.563 ppt82ND - 2.40 ppt
2023ND60ND

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
2021-08-174988899ND
2021-09-13810-1969-1ND
2022-01-11FA02202-01ND
2022-01-11FA02202-03ND
2022-04-28FD05174-01ND
2022-04-28FD05174-03ND
2022-07-27FG05395-01ND
2022-07-27FG05395-032.10 ppt
2022-10-19FJ03908-01ND
2022-10-19FJ03908-032.40 ppt
2023-01-30GA04701-01ND
2023-01-30GA04701-03ND
2023-06-14GF02763-01ND
2023-06-14GF02763-03ND
2023-09-19GI03496-01ND
2023-09-19GI03496-03ND