Perfluorohexane sulfonate (PFHXS)
Devens Massdevelopment
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 | 16.8 ppt | 7 | 7 | 7.00 ppt - 49.0 ppt |
| 2019 | 2.68 ppt | 30 | 11 | ND - 19.8 ppt |
| 2020 | 5.11 ppt | 1 | 1 | 5.11 ppt |
| 2021 | 4.70 ppt | 200 | 108 | ND - 49.3 ppt |
| 2022 | 1.28 ppt | 171 | 43 | ND - 41.9 ppt |
| 2023 | 1.61 ppt | 129 | 19 | ND - 45.0 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 | Result |
|---|---|
| 2018-02-27 | 49.0 ppt |
| 2018-05-14 | 7.00 ppt |
| 2018-05-14 | 16.0 ppt |
| 2018-08-03 | 7.46 ppt |
| 2018-08-03 | 14.1 ppt |
| 2018-10-25 | 8.22 ppt |
| 2018-10-25 | 15.9 ppt |
| 2019-02-20 | 8.06 ppt |
| 2019-02-20 | 19.8 ppt |
| 2019-05-21 | 6.47 ppt |
| 2019-05-21 | 17.4 ppt |
| 2019-08-02 | ND |
| 2019-08-20 | 6.23 ppt |
| 2019-08-20 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | 3.14 ppt |
| 2019-09-25 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | 4.81 ppt |
| 2019-10-09 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-23 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | 1.01 ppt |
| 2019-11-06 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | 3.22 ppt |
| 2019-11-20 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | 1.48 ppt |
| 2019-12-04 | ND |
| 2019-12-18 | ND |
| 2019-12-23 | 8.91 ppt |
| 2019-12-23 | ND |
| 2020-07-14 | 5.11 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 5.20 ppt |
| 2021-01-06 | 0.990 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | 38.3 ppt |
| 2021-01-06 | 5.60 ppt |
| 2021-01-06 | 1.40 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | 5.90 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 6.20 ppt |
| 2021-01-13 | 7.50 ppt |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | 4.90 ppt |
| 2021-01-13 | 15.1 ppt |
| 2021-02-03 | 4.90 ppt |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | 49.3 ppt |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-17 | ND |
| 2021-02-17 | 0.832 ppt |
| 2021-02-17 | 44.4 ppt |
| 2021-02-24 | ND |
| 2021-02-24 | 19.2 ppt |
| 2021-02-24 | 1.05 ppt |
| 2021-02-24 | 3.18 ppt |
| 2021-02-24 | ND |
| 2021-02-24 | 6.99 ppt |
| 2021-02-24 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | 40.5 ppt |
| 2021-03-02 | 1.83 ppt |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-10 | 20.4 ppt |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | 1.10 ppt |
| 2021-03-10 | ND |
| 2021-03-10 | 2.12 ppt |
| 2021-03-17 | 39.9 ppt |
| 2021-03-17 | ND |
| 2021-03-17 | 2.12 ppt |
| 2021-03-24 | ND |
| 2021-03-24 | 2.38 ppt |
| 2021-03-24 | 1.02 ppt |
| 2021-03-24 | 18.3 ppt |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | 5.53 ppt |
| 2021-03-31 | 36.7 ppt |
| 2021-03-31 | ND |
| 2021-03-31 | 3.90 ppt |
| 2021-03-31 | ND |
| 2021-03-31 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | 1.24 ppt |
| 2021-04-08 | 1.12 ppt |
| 2021-04-19 | ND |
| 2021-06-02 | 1.17 ppt |
| 2021-06-02 | 3.42 ppt |
| 2021-06-02 | 4.70 ppt |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | 17.7 ppt |
| 2021-06-02 | 2.09 ppt |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-16 | 14.8 ppt |
| 2021-06-16 | 3.37 ppt |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | 1.20 ppt |
| 2021-06-16 | 2.90 ppt |
| 2021-06-16 | 2.02 ppt |
| 2021-06-23 | ND |
| 2021-06-23 | 4.64 ppt |
| 2021-06-23 | 1.75 ppt |
| 2021-06-23 | ND |
| 2021-06-23 | 39.0 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | 2.46 ppt |
| 2021-07-07 | 7.79 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | 48.8 ppt |
| 2021-07-07 | 6.26 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | 2.10 ppt |
| 2021-07-07 | 0.681 ppt |
| 2021-07-07 | 6.02 ppt |
| 2021-07-07 | 3.23 ppt |
| 2021-07-14 | 1.82 ppt |
| 2021-07-14 | 20.9 ppt |
| 2021-07-14 | 3.34 ppt |
| 2021-07-14 | ND |
| 2021-07-14 | 1.11 ppt |
| 2021-07-14 | ND |
| 2021-07-21 | 45.2 ppt |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-21 | 9.50 ppt |
| 2021-07-28 | 4.16 ppt |
| 2021-07-28 | 2.03 ppt |
| 2021-07-28 | 1.52 ppt |
| 2021-07-28 | 16.4 ppt |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | 5.90 ppt |
| 2021-08-05 | ND |
| 2021-08-05 | 0.724 ppt |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-11 | 5.11 ppt |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | 3.09 ppt |
| 2021-08-11 | 14.1 ppt |
| 2021-08-11 | 1.41 ppt |
| 2021-08-11 | 4.84 ppt |
| 2021-08-11 | 4.84 ppt |
| 2021-08-11 | 3.09 ppt |
| 2021-08-11 | 14.1 ppt |
| 2021-08-18 | 0.447 ppt |
| 2021-08-18 | 1.64 ppt |
| 2021-08-18 | 1.62 ppt |
| 2021-08-18 | 42.0 ppt |
| 2021-08-18 | 0.769 ppt |
| 2021-08-25 | 4.16 ppt |
| 2021-08-25 | 5.79 ppt |
| 2021-08-25 | ND |
| 2021-08-25 | 7.39 ppt |
| 2021-08-25 | 15.6 ppt |
| 2021-08-25 | ND |
| 2021-08-25 | 2.44 ppt |
| 2021-09-08 | 7.30 ppt |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | 3.60 ppt |
| 2021-09-08 | 7.20 ppt |
| 2021-09-08 | 2.42 ppt |
| 2021-09-08 | 17.1 ppt |
| 2021-10-06 | 6.48 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 3.28 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 0.605 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | 2.67 ppt |
| 2021-10-06 | 3.46 ppt |
| 2021-10-06 | 4.18 ppt |
| 2021-10-06 | 2.59 ppt |
| 2021-10-06 | 7.44 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 15.2 ppt |
| 2021-10-06 | 5.07 ppt |
| 2021-10-06 | 1.53 ppt |
| 2021-10-06 | 1.59 ppt |
| 2021-10-06 | 0.723 ppt |
| 2021-10-06 | 2.21 ppt |
| 2021-10-06 | 9.13 ppt |
| 2021-12-02 | 1.38 ppt |
| 2021-12-02 | ND |
| 2021-12-02 | 6.40 ppt |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | 5.55 ppt |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | 2.43 ppt |
| 2021-12-08 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | 3.26 ppt |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | 41.9 ppt |
| 2022-01-05 | 2.76 ppt |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | 4.84 ppt |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | 1.35 ppt |
| 2022-01-12 | 2.07 ppt |
| 2022-02-02 | ND |
| 2022-02-02 | 3.43 ppt |
| 2022-02-02 | ND |
| 2022-02-02 | 4.10 ppt |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | 1.61 ppt |
| 2022-02-09 | 2.15 ppt |
| 2022-02-09 | 0.784 ppt |
| 2022-02-09 | 0.564 ppt |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-03-09 | 4.10 ppt |
| 2022-03-09 | ND |
| 2022-03-09 | 3.00 ppt |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | 1.50 ppt |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | 1.70 ppt |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | 1.30 ppt |
| 2022-04-13 | 4.40 ppt |
| 2022-04-13 | 1.80 ppt |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | 9.00 ppt |
| 2022-05-04 | 4.30 ppt |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | 3.20 ppt |
| 2022-05-04 | 2.10 ppt |
| 2022-05-04 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | 9.00 ppt |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-27 | ND |
| 2022-05-27 | 41.0 ppt |
| 2022-06-08 | 3.60 ppt |
| 2022-06-08 | 5.50 ppt |
| 2022-06-08 | 1.90 ppt |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | 0.870 ppt |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | 2.20 ppt |
| 2022-07-13 | ND |
| 2022-07-13 | 5.20 ppt |
| 2022-07-13 | ND |
| 2022-07-13 | 3.40 ppt |
| 2022-07-13 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-08-03 | 4.80 ppt |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | 2.40 ppt |
| 2022-08-03 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | 6.70 ppt |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-09-01 | ND |
| 2022-09-01 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | 3.90 ppt |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | 4.10 ppt |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | 3.70 ppt |
| 2022-10-05 | 0.630 ppt |
| 2022-10-05 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | 2.80 ppt |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | 5.00 ppt |
| 2022-11-02 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | 4.40 ppt |
| 2022-11-10 | ND |
| 2022-12-07 | 3.10 ppt |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | 45.0 ppt |
| 2023-01-11 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | 6.40 ppt |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-02-03 | ND |
| 2023-02-03 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | 31.0 ppt |
| 2023-02-24 | 6.30 ppt |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | 3.80 ppt |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | 6.79 ppt |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-28 | ND |
| 2023-04-28 | ND |
| 2023-04-28 | 43.1 ppt |
| 2023-05-03 | ND |
| 2023-05-03 | 7.02 ppt |
| 2023-05-03 | ND |
| 2023-05-12 | ND |
| 2023-05-26 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | 6.64 ppt |
| 2023-06-07 | ND |
| 2023-06-09 | ND |
| 2023-06-23 | ND |
| 2023-07-07 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | 5.34 ppt |
| 2023-07-11 | ND |
| 2023-07-18 | ND |
| 2023-07-21 | 1.74 ppt |
| 2023-08-04 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | 5.56 ppt |
| 2023-08-08 | 2.48 ppt |
| 2023-08-18 | ND |
| 2023-09-01 | ND |
| 2023-09-01 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | 3.60 ppt |
| 2023-09-19 | 7.80 ppt |
| 2023-09-19 | ND |
| 2023-09-29 | ND |
| 2023-09-29 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-05 | 4.80 ppt |
| 2023-10-05 | ND |
| 2023-10-13 | ND |
| 2023-10-19 | 8.40 ppt |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-27 | ND |
| 2023-10-27 | ND |
| 2023-11-07 | 11.0 ppt |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 2023-11-07 | 0.880 ppt |
| 2023-11-09 | ND |
| 2023-11-09 | ND |
| 2023-11-09 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-12-08 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-22 | ND |
| 2023-12-22 | ND |