Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Wedowee Water, Sewer, & Gas Board

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND40ND
2021N/A00N/A
2022ND20ND
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
2020-02-19C0B2560-01ND
2020-04-15C0D2337-01ND
2020-09-23209090-01ND
2020-10-21C0J3080-01ND
2022-09-07307958-01ND
2022-11-1635760846ND
2023-03-22316006-35788064ND
2023-06-07318024-35805354ND
2023-08-02320608-23080386ND
2023-11-15324789-23111404ND