Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Ward II Water District

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.

 

34

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
2023ND340ND

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
2023-05-22810-64057-1ND
2023-05-22810-64094-1ND
2023-05-22810-64061-1ND
2023-05-22810-64096-1ND
2023-05-22810-64097-1ND
2023-05-22810-64077-1ND
2023-05-22810-64099-1ND
2023-05-22810-64060-1ND
2023-05-22810-64086-1ND
2023-05-22810-64087-1ND
2023-05-22810-64093-1ND
2023-05-22810-64091-1ND
2023-05-22810-64056-1ND
2023-05-22810-64084-1ND
2023-05-22810-64082-1ND
2023-05-22810-64059-1ND
2023-05-22810-64080-1ND
2023-11-15810-85356-1ND
2023-11-15810-85279-1ND
2023-11-15810-85275-1ND
2023-11-15810-85282-1ND
2023-11-15810-85287-1ND
2023-11-15810-85263-1ND
2023-11-15810-85291-1ND
2023-11-15810-85296-1ND
2023-11-15810-85302-1ND
2023-11-15810-85360-1ND
2023-11-15810-85363-1ND
2023-11-15810-85364-1ND
2023-11-15810-85368-1ND
2023-11-15810-85271-1ND
2023-11-15810-85264-1ND
2023-11-15810-85265-1ND
2023-11-15810-85268-1ND