Know Your Environment. Protect Your Health.

Perfluorobutanoic Acid (PFBA)

Cross Timbers Water Supply Corporation

Perfluorobutanoic acid (PFBA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

1

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
2021N/A00N/A
2022N/A00N/A
20230.600 ppt151ND - 9.00 ppt
2024ND10ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,000 ppt

The EWG Health Guideline of 1,000 ppt for perfluorobutanoic acid was defined by EPA's recommended application of the toxicity value for PFHxA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Lab ID Result
2023-03-06102528PND
2023-03-06102530PND
2023-06-14104609RND
2023-06-14104732PND
2023-06-14104733PND
2023-06-14104735PND
2023-06-14104611RND
2023-06-14104736PND
2023-09-19108177PND
2023-09-20108174PND
2023-11-29111044PND
2023-11-29108175PND
2023-11-29111046PND
2023-11-29111047PND
2023-12-18111456R9.00 ppt
2024-02-12112590RND