Know Your Environment. Protect Your Health.

Perfluorooctanoic acid (PFOA)

Whispering Pines

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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

26

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20186.00 ppt116.00 ppt
20193.00 ppt42ND - 9.00 ppt
20205.20 ppt54ND - 8.00 ppt
20212.98 ppt106ND - 5.90 ppt
20226.80 ppt885.80 ppt - 7.60 ppt
20237.14 ppt555.30 ppt - 8.60 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 Lab ID Result
2018-05-30GW1805301435EDK6.00 ppt
2019-03-28GWNT1903281200KERND
2019-06-21GWNT1906211400MKND
2019-09-18GWNT1909180900GGA9.00 ppt
2019-12-19GWNT1912190910KME3.00 ppt
2020-03-25GWNT2003251210SKND
2020-06-29GWNT2006291600MK2.00 ppt
2020-10-05LJ276608.00 ppt
2020-10-05GWNT2010051130MK8.00 ppt
2020-10-058.00 ppt
2021-01-272101B51-014.20 ppt
2021-01-274.20 ppt
2021-03-162103738-015.90 ppt
2021-03-165.90 ppt
2021-06-29ND
2021-06-292106F84ND
2021-09-214.80 ppt
2021-09-212109A98-014.80 ppt
2021-12-20ND
2021-12-202112934-01ND
2022-03-212203C07-016.20 ppt
2022-03-216.20 ppt
2022-06-287.60 ppt
2022-06-282206K09-017.60 ppt
2022-09-217.60 ppt
2022-09-212209F43-017.60 ppt
2022-11-295.80 ppt
2022-11-292211F58-015.80 ppt
2023-02-282302C71-018.60 ppt
2023-02-288.60 ppt
2023-06-276.50 ppt
2023-09-185.30 ppt
2023-10-316.70 ppt