Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Grosse Pointe, City of

NOTE: Grosse Pointe, City of purchases water from Grosse Pointe Farms which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Grosse Pointe Farms.

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.

 

31

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019ND130ND
2020ND10ND
2021ND70ND
2022ND20ND
2023ND40ND

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: Grosse Pointe, City of purchases water from Grosse Pointe Farms which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by Grosse Pointe Farms.

Date Lab ID Result
2018-07-17SWEF1807171020GSCND
2018-07-17SWEF1807171020GSCND
2018-07-17SWIN1807171015GSCND
2019-04-30SWIN1904301400GSCND
2019-04-30SWEF1904301405GSCND
2019-04-30SWEF1904301405GSCND
2019-05-30SWIN1905300850MKND
2019-05-30SWEF1905300855MKND
2019-06-28SWEF1906280750GSCND
2019-06-28SWIN1906280740GSCND
2019-07-30SWEF1907300820MKND
2019-07-30SWIN1907300815MKND
2019-08-27SWEF1908271200GSCND
2019-08-27SWIN1908271155GSCND
2019-09-24SWIN1909241200GSCND
2019-09-24SWEF1909241205GSCND
2020-10-073649740002ND
2021-01-21SWIN2101211300RGND
2021-02-173675770001ND
2021-02-17ND
2021-03-08SWIN2103081415SKND
2021-05-12SWIN2105121125GSCND
2021-07-13SWIN2107131400GGAND
2021-09-14SWIN2109141330GGAND
2022-03-223764280001ND
2022-03-22ND
2023-01-18ND
2023-01-183832000001ND
2024-01-16112015PND
2024-04-16115513PND
2024-07-16118646PND