Know Your Environment. Protect Your Health.

Perfluoroheptane sulfonic acid (PFHpS)

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Perfluoroheptane sulfonic acid (PFHpS) is a member of a group of perfluorinated chemicals used in many consumer products. PFHpS 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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.267 ppt31ND - 0.800 ppt
20220.233 ppt165ND - 0.860 ppt
20230.156 ppt103ND - 0.580 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.001 ppt

The EWG Health Guideline of 0.001 ppt for PFHpS was defined by EPA's recommended application of the PFHxS toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline protects against harm to the developing immune system.

ppt = parts per trillion

All test results

Date Lab ID Result
2021-12-0321L0478-02ND
2021-12-0321L0478-030.800 ppt
2021-12-0321L0478-01ND
2022-02-1422B0990-01ND
2022-02-1422B0990-02ND
2022-02-1422B0990-03ND
2022-02-1422B0990-04ND
2022-05-0222E0080-01ND
2022-05-0222E0080-02ND
2022-05-0222E0080-03ND
2022-07-0722G0294-010.760 ppt
2022-07-0722G0294-02ND
2022-07-0722G0294-030.780 ppt
2022-10-1722J0645-020.800 ppt
2022-10-1722J0645-03ND
2022-10-1722J0645-010.860 ppt
2022-11-3022L0039-01ND
2022-11-3022L0039-02ND
2022-11-3022L0039-030.520 ppt
2023-01-0923A0189-01ND
2023-01-0923A0189-02ND
2023-01-0923A0189-03ND
2023-05-0423E0521-010.580 ppt
2023-05-0423E0521-02ND
2023-05-0423E0521-030.550 ppt
2023-08-0923H1381-01ND
2023-08-0923H1381-02ND
2023-08-0923H1381-030.430 ppt
2023-12-0423L0136-01ND