Perfluorohexane sulfonate (PFHXS)
Plymouth
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 1.55 ppt | 2 | 2 | 1.20 ppt - 1.90 ppt |
| 2022 | 1.19 ppt | 13 | 11 | ND - 2.60 ppt |
| 2023 | 1.39 ppt | 36 | 27 | ND - 7.40 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 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 | Lab ID | Result |
|---|---|---|
| 2021-06-04 | 21F0300-03 | 1.20 ppt |
| 2021-06-04 | 21F0300-01 | 1.90 ppt |
| 2022-06-03 | 22F0215-01 | 0.890 ppt |
| 2022-06-03 | 22F0215-03 | 0.960 ppt |
| 2022-06-03 | 22F0215-04 | 2.60 ppt |
| 2022-06-03 | 22F0215-05 | 1.70 ppt |
| 2022-09-08 | 22I0502-01 | 1.10 ppt |
| 2022-11-04 | 22K0352-06 | 0.820 ppt |
| 2022-11-04 | 22K0352-08 | ND |
| 2022-11-04 | 22K0352-07 | 1.50 ppt |
| 2022-11-04 | 22K0352-05 | 1.80 ppt |
| 2022-11-04 | 22K0352-04 | 2.60 ppt |
| 2022-11-04 | 22K0352-03 | 0.470 ppt |
| 2022-11-04 | 22K0352-02 | ND |
| 2022-11-04 | 22K0352-01 | 1.000 ppt |
| 2023-05-25 | 23E2766-11 | 0.960 ppt |
| 2023-05-25 | 32301773-3 | ND |
| 2023-05-25 | 32301773-1 | 2.94 ppt |
| 2023-05-25 | 23E2766-16 | 2.20 ppt |
| 2023-05-25 | 23E2766-15 | ND |
| 2023-05-25 | 23E2766-14 | 0.690 ppt |
| 2023-05-25 | 23E2766-13 | 1.40 ppt |
| 2023-05-25 | 23E2766-12 | 0.530 ppt |
| 2023-05-25 | 23E2766-10 | 7.40 ppt |
| 2023-05-25 | 23E2766-08 | ND |
| 2023-05-25 | 23E2766-07 | 1.60 ppt |
| 2023-05-25 | 23E2766-06 | ND |
| 2023-05-25 | 23E2766-05 | 0.740 ppt |
| 2023-05-25 | 23E2766-04 | 1.70 ppt |
| 2023-05-25 | 23E2766-03 | 1.80 ppt |
| 2023-05-25 | 23E2766-01 | 1.000 ppt |
| 2023-05-25 | 23E2766-02 | 2.60 ppt |
| 2023-05-25 | 23E2766-09 | 2.60 ppt |
| 2023-09-15 | 23I0866-08 | ND |
| 2023-09-15 | 23I0866-16 | 2.50 ppt |
| 2023-09-15 | 23I0866-15 | 0.310 ppt |
| 2023-09-15 | 23I0866-14 | 1.000 ppt |
| 2023-09-15 | 23I0866-13 | 2.00 ppt |
| 2023-09-15 | 23I0866-12 | 0.390 ppt |
| 2023-09-15 | 23I0866-11 | 0.880 ppt |
| 2023-09-15 | 23I0866-10 | 5.20 ppt |
| 2023-09-15 | 23I0866-09 | 2.50 ppt |
| 2023-09-15 | 23I0866-07 | 1.40 ppt |
| 2023-09-15 | 23I0866-06 | ND |
| 2023-09-15 | 23I0866-05 | 0.960 ppt |
| 2023-09-15 | 23I0866-04 | 1.30 ppt |
| 2023-09-15 | 23I0866-02 | 2.40 ppt |
| 2023-09-15 | 23I0866-01 | 1.20 ppt |
| 2023-09-25 | 23I1301-01 | ND |
| 2023-12-11 | 32304198-1 | ND |
| 2023-12-11 | 32304198-3 | ND |