Perfluorohexane sulfonate (PFHXS)
American Water O&m, Llc - Vsfb
NOTE: American Water O&m, Llc - Vsfb purchases water from Central Coast Water Authority which is required to test for perfluorohexane sulfonate (pfhxs). Sample information shown below was taken by Central Coast Water Authority.
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 | ND | 13 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 8 | 0 | ND |
| 2024 | ND | 2 | 0 | ND |
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
NOTE: American Water O&m, Llc - Vsfb purchases water from Central Coast Water Authority which is required to test for perfluorohexane sulfonate (pfhxs). Sample information shown below was taken by Central Coast Water Authority.
| Date | Lab ID | Result |
|---|