Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Port Orchard Water Department

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND110ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND40ND
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

Date Lab ID Result
2015-01-26B5A2436-01ND
2015-01-26B5A2436-07ND
2015-01-26B5A2436-04ND
2015-01-26B5A2436-10ND
2015-01-28B5A2687-01ND
2015-04-06B5D0545-01ND
2015-07-06B5G0540-01ND
2015-07-14B5G1535-05ND
2015-07-14B5G1535-01ND
2015-07-14B5G1535-03ND
2015-10-13B5J1338-01ND
2022-05-174289217ND
2022-05-174289218ND
2022-05-174289216ND
2022-05-174289219ND