Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Carmel Clay Water

NOTE: Carmel Clay Water purchases water from Citizens Water - Indianapolis which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Citizens Water - Indianapolis.

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND130ND

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: Carmel Clay Water purchases water from Citizens Water - Indianapolis which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Citizens Water - Indianapolis.

Date Lab ID Result
2023-08-22810-75471-1ND
2023-08-22810-75456-1ND
2023-08-22810-75463-1ND
2023-08-23810-75454-1ND
2023-08-23810-75468-1ND
2023-08-23810-75465-1ND
2023-08-23810-75460-1ND
2023-08-23810-75462-1ND
2023-08-30810-76021-1ND
2023-11-07810-84474-1ND
2023-11-08810-84464-1ND
2023-11-08810-84467-1ND
2023-11-08810-84462-1ND
2024-02-19810-95005-1ND
2024-02-19810-95002-1ND
2024-02-19810-94997-1ND
2024-02-20810-94981-1ND
2024-02-21810-94989-1ND
2024-02-21810-94994-1ND
2024-02-21810-94986-1ND
2024-02-28810-95996-1ND
2024-05-02810-103415-1ND
2024-05-03810-103419-1ND
2024-05-03810-103378-1ND
2024-05-03810-103417-1ND
2024-07-12810-111725-1ND