Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

North Cherokee Water Supply Corporation

NOTE: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by City of Jacksonville.

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.

 

14

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
2014ND120ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND50ND
2024ND10ND

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

NOTE: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by City of Jacksonville.

Date Lab ID Result
2014-05-14201405160299AMND
2014-05-14201405160373AMND
2014-05-14201405160434AMND
2014-05-14201405160371AMND
2014-05-14201405160361AMND
2014-08-21201408220513AMND
2014-11-18201411190272AMND
2014-11-18201411190298AMND
2014-11-18201411190466AMND
2014-11-18201411190579AMND
2014-11-18201411190427AMND
2014-11-18201411190586AMND
2015-02-26201502270199AMND
2015-02-26201502270193AMND