Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Lacey 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

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
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND90ND
2024ND90ND

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
2023-12-13K2314009-001ND
2023-12-13K2314009-003ND
2023-12-13K2314009-017ND
2023-12-13K2314009-009ND
2023-12-13K2314009-011ND
2023-12-13K2314009-013ND
2023-12-13K2314009-007ND
2023-12-13K2314009-015ND
2023-12-13K2314009-005ND
2024-06-25K2406560-017ND
2024-06-25K2406560-015ND
2024-06-25K2406560-013ND
2024-06-25K2406560-011ND
2024-06-25K2406560-009ND
2024-06-25K2406560-007ND
2024-06-25K2406560-005ND
2024-06-25K2406560-003ND
2024-06-25K2406560-001ND