Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Northport Cottage Owners

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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND130ND
2020ND60ND
2021ND110ND
2022ND60ND
2023ND30ND

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
2018-11-07SWEF1811071430GGAND
2018-11-07SWEF1811071430GGAND
2018-11-07SWIN1811071400GGAND
2019-05-03SWIN1905030840GSCND
2019-05-03SWEF1905030850GSCND
2019-05-03SWEF1905030850GSCND
2019-05-30SWIN1905301600GGAND
2019-05-30SWEF1905301605GGAND
2019-07-02SWEF1907021505GSCND
2019-07-02SWIN1907021500GSCND
2019-07-25SWEF1907250905GSCND
2019-07-25SWIN1907250900GSCND
2019-09-06SWEF1909061205GSCND
2019-09-06SWIN1909061200GSCND
2019-09-23SWEF1909231455KMEND
2019-09-23SWIN1909231505KMEND
2020-12-1520121554ND
2020-12-15ND
2020-12-15ND
2020-12-15ND
2020-12-1520121554-03ND
2020-12-1520121554-04ND
2021-01-18SWIN2101181300GSCND
2021-03-03SWIN2103031200GSCND
2021-05-24SWIN2105241350GSCND
2021-07-21SWIN2107211130GGAND
2021-09-09SWIN2109090930GSCND
2021-09-2321092617-01ND
2021-09-23ND
2021-09-28ND
2021-09-28ND
2021-09-2821092878-01ND
2021-09-2821092878-02ND
2022-08-3022083102-03ND
2022-08-3022083102-05ND
2022-08-3022083102-01ND
2022-08-30ND
2022-08-30ND
2022-08-30ND
2023-09-27ND
2023-09-27ND
2023-09-27ND