Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Hemlock Mutual Water Company

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020ND20ND
2021ND70ND
2022ND60ND
2023ND80ND

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
2015-06-02113626PND
2020-11-16CA1910053_001_001-202011161015ND
2020-11-16CA1910053_002_002-202011161000ND
2021-02-08CA1910053_001_001-202102080825ND
2021-04-14CA1910053_002_002-202104140850ND
2021-04-14CA1910053_001_001-202104140900ND
2021-07-07CA1910053_002_002-202107071045ND
2021-07-07CA1910053_001_001-202107071050ND
2021-10-15CA1910053_001_001-202110150945ND
2021-10-15CA1910053_002_002-202110150930ND
2022-01-07CA1910053_001_001-202201070930ND
2022-01-07CA1910053_002_002-202201070915ND
2022-04-07CA1910053_002_002-202204070945ND
2022-04-07CA1910053_001_001-202204071000ND
2022-10-05CA1910053_001_001-202210051055ND
2022-10-05CA1910053_002_002-202210051035ND
2023-03-30CA1910053_002_002-202303300925ND
2023-04-17CA1910053_001_001-202304170855ND
2023-04-17CA1910053_002_002-202304170830ND
2023-09-06CA1910053_001_001-202309060955ND
2023-09-06CA1910053_002_002-202309060945ND
2023-10-05CA1910053_002_002-202310050920ND
2023-12-06CA1910053_001_001-202312060910ND
2023-12-06CA1910053_001_001-20231206NULND