Know Your Environment. Protect Your Health.

Perfluorooctanoic acid (PFOA)

Ardmore Water System

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

22

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
20201.67 ppt62ND - 5.30 ppt
2021N/A00N/A
20224.50 ppt553.20 ppt - 7.40 ppt
20233.27 ppt1211ND - 5.00 ppt
20244.02 ppt54ND - 5.90 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
2020-02-2820144380002_PFASND
2020-02-2820144380003_PFAS5.30 ppt
2020-02-2820144380001_PFAS4.70 ppt
2020-08-1320167216001_PFASND
2020-08-1320167216002_PFASND
2020-08-1320167216003_PFASND
2022-09-0235744081001_PFAS4.20 ppt
2022-09-0235744081002_PFAS4.30 ppt
2022-11-2835762245001_PFAS3.40 ppt
2022-11-2835762245003_PFAS3.20 ppt
2022-12-1335766151001_PFAS7.40 ppt
2023-02-2735782139001_PFAS3.00 ppt
2023-02-2735782139003_PFAS3.10 ppt
2023-02-2735782139005_PFAS3.80 ppt
2023-05-0435797065001_PFASND
2023-05-0435797071001_PFAS4.60 ppt
2023-05-0435797065003_PFAS3.10 ppt
2023-08-1835821817001_PFAS2.90 ppt
2023-08-1835821817003_PFAS2.80 ppt
2023-08-1835821819001_PFAS3.50 ppt
2023-10-2035836012004_PFAS4.20 ppt
2023-10-2035836012005_PFAS5.00 ppt
2023-11-0735839705001_PFAS3.20 ppt
2024-03-05114098P5.90 ppt
2024-03-05114099PND
2024-03-05114100P4.30 ppt
2024-09-10120544P4.80 ppt
2024-09-10120546P5.10 ppt