Know Your Environment. Protect Your Health.

Perfluorooctanoic acid (PFOA)

Nas Whiting Field

Perfluorooctanoic acid (PFOA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

95

Samples

0

Samples exceeding legal limit (MCL)

25

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND30ND
202260.1 ppt122ND - 710.0 ppt
202343.2 ppt8023ND - 660.0 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.09 ppt

The EWG Health Guideline of 0.09 ppt for PFOA was was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

Date Result
2021-03-19ND
2021-05-27ND
2021-08-19ND
2022-01-05ND
2022-01-05ND
2022-07-27ND
2022-07-27ND
2022-08-24ND
2022-08-24ND
2022-09-07710.0 ppt
2022-09-0711.0 ppt
2022-09-07ND
2022-09-07ND
2022-11-02ND
2022-11-02ND
2023-01-04ND
2023-01-04ND
2023-04-11ND
2023-04-11ND
2023-04-11560.0 ppt
2023-04-1124.0 ppt
2023-04-1112.0 ppt
2023-05-10ND
2023-05-10ND
2023-05-10270.0 ppt
2023-05-1035.0 ppt
2023-05-1025.0 ppt
2023-05-24ND
2023-05-24ND
2023-05-31ND
2023-05-31ND
2023-06-0722.0 ppt
2023-06-07ND
2023-06-07ND
2023-06-0733.0 ppt
2023-06-07430.0 ppt
2023-06-14ND
2023-06-14ND
2023-06-21ND
2023-06-21ND
2023-06-28ND
2023-06-28ND
2023-07-05ND
2023-07-05ND
2023-07-1216.0 ppt
2023-07-1228.0 ppt
2023-07-12590.0 ppt
2023-07-12ND
2023-07-12ND
2023-07-19ND
2023-07-19ND
2023-07-26ND
2023-07-26ND
2023-08-02ND
2023-08-02ND
2023-08-14ND
2023-08-14ND
2023-09-06ND
2023-09-06ND
2023-09-0621.0 ppt
2023-09-0611.0 ppt
2023-09-20ND
2023-09-27ND
2023-09-27ND
2023-10-04660.0 ppt
2023-10-04ND
2023-10-04ND
2023-10-0420.0 ppt
2023-10-0415.0 ppt
2023-10-10ND
2023-10-10ND
2023-10-18ND
2023-10-18ND
2023-10-25ND
2023-10-25ND
2023-11-01ND
2023-11-01ND
2023-11-08ND
2023-11-0823.0 ppt
2023-11-08ND
2023-11-08320.0 ppt
2023-11-0845.0 ppt
2023-11-15ND
2023-11-15ND
2023-11-29ND
2023-11-29ND
2023-12-0631.0 ppt
2023-12-0656.0 ppt
2023-12-06210.0 ppt
2023-12-06ND
2023-12-06ND
2023-12-20ND
2023-12-20ND
2023-12-27ND
2023-12-27ND