Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Childersburg Water & Sewer 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.

 

34

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
2020ND100ND
2021N/A00N/A
2022ND80ND
2023ND160ND

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
2020-03-172003-00304-002ND
2020-03-172003-00304-003ND
2020-03-172003-00304-004ND
2020-03-172003-00304-005ND
2020-03-172003-00304-001ND
2020-09-152009-00295-001ND
2020-09-152009-00295-002ND
2020-09-152009-00295-003ND
2020-09-152009-00295-004ND
2020-09-152009-00295-005ND
2022-07-262207-00446-001ND
2022-07-262207-00446-002ND
2022-07-262207-00446-003ND
2022-07-262207-00446-004ND
2022-11-152211-00289-009ND
2022-11-152211-00289-007ND
2022-11-152211-00289-002ND
2022-11-152211-00289-005ND
2023-01-242301-00428-001ND
2023-01-242301-00428-002ND
2023-01-242301-00428-003ND
2023-01-242301-00428-004ND
2023-06-232306-00235-004ND
2023-06-232306-00235-003ND
2023-06-232306-00235-002ND
2023-06-232306-00235-001ND
2023-07-112307-00220-001ND
2023-07-112307-00220-002ND
2023-07-112307-00220-003ND
2023-07-112307-00220-004ND
2023-10-242310-00435-001ND
2023-10-242310-00435-002ND
2023-10-242310-00435-003ND
2023-10-242310-00435-004ND