Know Your Environment. Protect Your Health.

Perfluorohexanoic Acid (PFHxA)

Pepperell DPW Water Division

Perfluorohexanoic acid is a member of a group of perfluorinated chemicals used in many consumer products. 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.

 

147

Samples

0

Samples exceeding legal limit (MCL)

35

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
20210.460 ppt4825ND - 2.05 ppt
20220.645 ppt5029ND - 2.60 ppt
20230.785 ppt4934ND - 2.25 ppt

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 perfluorohexanoic acid was defined by EPA's toxicity value 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 Result
2021-03-08ND
2021-03-081.01 ppt
2021-03-080.962 ppt
2021-03-080.819 ppt
2021-03-080.792 ppt
2021-04-060.608 ppt
2021-04-060.720 ppt
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-060.588 ppt
2021-04-06ND
2021-05-12ND
2021-05-120.902 ppt
2021-05-120.675 ppt
2021-05-12ND
2021-05-120.843 ppt
2021-06-23ND
2021-06-230.629 ppt
2021-06-230.637 ppt
2021-06-23ND
2021-06-23ND
2021-07-22ND
2021-07-22ND
2021-07-22ND
2021-08-182.05 ppt
2021-08-180.763 ppt
2021-08-181.98 ppt
2021-08-180.648 ppt
2021-08-18ND
2021-09-22ND
2021-09-220.895 ppt
2021-09-220.839 ppt
2021-10-150.597 ppt
2021-10-15ND
2021-10-150.926 ppt
2021-10-15ND
2021-10-15ND
2021-10-150.947 ppt
2021-10-15ND
2021-11-17ND
2021-11-171.04 ppt
2021-11-17ND
2021-11-170.739 ppt
2021-12-20ND
2021-12-200.731 ppt
2021-12-20ND
2021-12-200.720 ppt
2022-01-13ND
2022-01-13ND
2022-01-13ND
2022-01-13ND
2022-01-13ND
2022-02-150.757 ppt
2022-02-150.634 ppt
2022-02-15ND
2022-02-22ND
2022-03-17ND
2022-03-17ND
2022-03-170.747 ppt
2022-03-170.621 ppt
2022-04-19ND
2022-04-19ND
2022-04-280.825 ppt
2022-04-280.878 ppt
2022-05-09ND
2022-05-120.988 ppt
2022-05-121.22 ppt
2022-05-121.28 ppt
2022-06-130.709 ppt
2022-06-131.21 ppt
2022-06-13ND
2022-06-131.05 ppt
2022-07-262.60 ppt
2022-07-261.45 ppt
2022-07-260.650 ppt
2022-07-260.759 ppt
2022-07-261.09 ppt
2022-09-132.02 ppt
2022-09-13ND
2022-09-131.05 ppt
2022-09-131.02 ppt
2022-09-13ND
2022-09-130.891 ppt
2022-09-130.888 ppt
2022-10-040.884 ppt
2022-10-041.97 ppt
2022-10-04ND
2022-10-040.822 ppt
2022-10-05ND
2022-11-010.787 ppt
2022-11-01ND
2022-11-010.910 ppt
2022-11-011.93 ppt
2022-12-06ND
2022-12-06ND
2022-12-061.59 ppt
2022-12-06ND
2023-01-031.08 ppt
2023-01-03ND
2023-01-030.908 ppt
2023-01-030.634 ppt
2023-01-25ND
2023-01-25ND
2023-02-07ND
2023-02-070.729 ppt
2023-02-070.622 ppt
2023-02-070.767 ppt
2023-02-09ND
2023-03-06ND
2023-03-060.907 ppt
2023-03-06ND
2023-03-061.01 ppt
2023-04-040.871 ppt
2023-04-040.727 ppt
2023-04-04ND
2023-04-040.618 ppt
2023-05-020.987 ppt
2023-05-020.962 ppt
2023-05-02ND
2023-05-03ND
2023-06-061.30 ppt
2023-06-060.620 ppt
2023-06-060.812 ppt
2023-07-241.32 ppt
2023-07-241.35 ppt
2023-07-241.12 ppt
2023-07-241.19 ppt
2023-07-24ND
2023-08-082.03 ppt
2023-08-081.53 ppt
2023-08-081.01 ppt
2023-08-161.37 ppt
2023-09-121.14 ppt
2023-09-120.792 ppt
2023-09-121.34 ppt
2023-09-19ND
2023-09-19ND
2023-10-030.866 ppt
2023-10-03ND
2023-10-031.41 ppt
2023-11-071.50 ppt
2023-11-071.59 ppt
2023-11-07ND
2023-12-072.25 ppt
2023-12-070.892 ppt
2023-12-072.22 ppt