Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Wild Oaks Water Company

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.311 ppt122ND - 2.18 ppt
20220.333 ppt31ND - 1.000 ppt
2023ND40ND

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
2021-01-07L2100955-02-PFASND
2021-01-07L2100955-03-PFASND
2021-01-07L2100955-04-PFASND
2021-05-04L2123101-03-PFASND
2021-05-04L2123101-02-PFASND
2021-05-04L213101-02-PFASND
2021-07-20L2138912-03-PFASND
2021-07-20L2138912-02-PFAS1.55 ppt
2021-07-20L2138912-04-PFASND
2021-12-07L2167924-03-PFASND
2021-12-07L2167924-02-PFAS2.18 ppt
2021-12-07L2167924-01-PFASND
2022-02-15L2209131-02-PFASND
2022-02-15L2209131-03-PFASND
2022-02-15L2209131-01-PFAS1.000 ppt
2023-01-1223A1305-01-PFASND
2023-01-1223A1305-07-PFASND
2023-01-1223A1305-10-PFASND
2023-01-1223A1305-13-PFASND