Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Waite Park

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

18

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
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND30ND
20220.134 ppt336ND - 1.10 ppt
20230.388 ppt1812ND - 1.10 ppt

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
2021-11-0821K0735-02ND
2021-11-0821K0735-03ND
2021-11-0821K0735-01ND
2022-02-1522B1075-01ND
2022-02-1522B1075-02ND
2022-02-1522B1075-03ND
2022-02-1522B1075-04ND
2022-02-1522B1075-05ND
2022-04-1922D1078-01ND
2022-04-1922D1078-02ND
2022-04-1922D1078-03ND
2022-04-1922D1078-04ND
2022-05-2622E2204-02ND
2022-05-2622E2204-04ND
2022-05-2622E2204-03ND
2022-05-2622E2204-01ND
2022-06-2922F1803-01ND
2022-06-2922F1803-02ND
2022-06-2922F1803-03ND
2022-06-2922F1803-04ND
2022-07-2722G2093-01ND
2022-07-2722G2093-02ND
2022-07-2722G2093-030.250 ppt
2022-07-2722G2093-041.10 ppt
2022-10-1722J0640-040.970 ppt
2022-10-1722J0640-03ND
2022-10-1722J0640-01ND
2022-10-1722J0640-020.630 ppt
2022-11-2122K1007-01ND
2022-11-2122K1007-020.550 ppt
2022-11-2122K1007-03ND
2022-11-2122K1007-040.920 ppt
2022-12-1922L0944-01ND
2022-12-1922L0944-02ND
2022-12-1922L0944-03ND
2022-12-1922L0944-04ND
2023-01-0923A0164-01ND
2023-01-0923A0164-02ND
2023-01-0923A0164-03ND
2023-01-0923A0164-04ND
2023-04-1123D0604-010.360 ppt
2023-04-1123D0604-041.10 ppt
2023-04-1123D0604-030.450 ppt
2023-04-1123D0604-020.590 ppt
2023-05-01103974PND
2023-07-1723G0979-010.450 ppt
2023-07-1723G0979-020.630 ppt
2023-07-1723G0979-030.330 ppt
2023-07-1723G0979-040.730 ppt
2023-10-2523J1405-010.480 ppt
2023-10-2523J1405-020.520 ppt
2023-10-2523J1405-030.430 ppt
2023-10-2523J1405-040.910 ppt
2023-11-28109711PND