Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Groveland Water Department

Perfluorohexane sulfonate 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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

50

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
20211.48 ppt25250.780 ppt - 2.33 ppt
20221.61 ppt16160.680 ppt - 3.70 ppt
20231.02 ppt990.488 ppt - 1.48 ppt
2024ND20ND

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 perfluorohexane sulfonate was defined by EPA's toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline harm to the developing immune system.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

Date Result
2021-01-071.72 ppt
2021-01-072.26 ppt
2021-01-071.02 ppt
2021-01-071.01 ppt
2021-01-071.78 ppt
2021-02-012.33 ppt
2021-02-011.15 ppt
2021-02-011.71 ppt
2021-03-091.60 ppt
2021-03-090.780 ppt
2021-03-090.780 ppt
2021-05-032.00 ppt
2021-06-031.80 ppt
2021-07-061.50 ppt
2021-07-060.910 ppt
2021-07-062.29 ppt
2021-07-061.50 ppt
2021-07-061.11 ppt
2021-07-060.910 ppt
2021-08-021.40 ppt
2021-09-011.70 ppt
2021-10-041.70 ppt
2021-10-040.850 ppt
2021-11-051.30 ppt
2021-12-061.80 ppt
2022-01-063.70 ppt
2022-01-060.700 ppt
2022-02-072.00 ppt
2022-03-031.90 ppt
2022-04-010.680 ppt
2022-04-012.20 ppt
2022-05-022.10 ppt
2022-06-021.90 ppt
2022-07-061.60 ppt
2022-07-060.880 ppt
2022-08-021.65 ppt
2022-09-061.40 ppt
2022-10-030.870 ppt
2022-10-031.30 ppt
2022-11-081.36 ppt
2022-12-051.55 ppt
2023-01-050.894 ppt
2023-01-051.16 ppt
2023-02-071.37 ppt
2023-05-050.686 ppt
2023-05-051.15 ppt
2023-07-061.48 ppt
2023-07-060.639 ppt
2023-10-051.28 ppt
2023-10-050.488 ppt
2024-04-16ND
2024-04-16ND