Perfluorobutane sulfonate (PFBS)
Devens Massdevelopment
Perfluorobutane sulfonate (PFBS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS 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.
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 | 1.41 ppt | 7 | 2 | ND - 7.30 ppt |
| 2019 | ND | 28 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 0.559 ppt | 196 | 53 | ND - 6.95 ppt |
| 2022 | 0.213 ppt | 171 | 33 | ND - 5.34 ppt |
| 2023 | 0.176 ppt | 129 | 12 | ND - 6.13 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 2,000 ppt
The EWG Health Guideline of 2,000 ppt for perfluorobutane sulfonate was defined by EPA’s Human Health toxicity value. This health guideline hormone disruption and harm to fetal growth and child development.
ppt = parts per trillion
All test results
| Date | Result |
|---|---|
| 2018-02-27 | 7.30 ppt |
| 2018-05-14 | 2.60 ppt |
| 2018-05-14 | ND |
| 2018-08-03 | ND |
| 2018-08-03 | ND |
| 2018-10-25 | ND |
| 2018-10-25 | ND |
| 2019-02-20 | ND |
| 2019-02-20 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-08-02 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-25 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-09 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-23 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-11-06 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-20 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-12-04 | ND |
| 2019-12-18 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 5.00 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | 1.80 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 2.00 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 1.80 ppt |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | 0.830 ppt |
| 2021-02-03 | 1.79 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 | ND |
| 2021-02-03 | 5.91 ppt |
| 2021-02-03 | ND |
| 2021-02-17 | ND |
| 2021-02-17 | ND |
| 2021-02-17 | 5.63 ppt |
| 2021-02-24 | 1.03 ppt |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | 5.01 ppt |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-10 | 1.11 ppt |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-17 | 5.06 ppt |
| 2021-03-17 | ND |
| 2021-03-17 | 0.697 ppt |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | 0.889 ppt |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-31 | 4.90 ppt |
| 2021-03-31 | 1.18 ppt |
| 2021-03-31 | 1.18 ppt |
| 2021-03-31 | ND |
| 2021-03-31 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-19 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | 1.04 ppt |
| 2021-06-02 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-23 | 1.77 ppt |
| 2021-06-23 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | 5.28 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | 1.11 ppt |
| 2021-07-07 | 2.39 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | 2.07 ppt |
| 2021-07-07 | 0.901 ppt |
| 2021-07-07 | 6.95 ppt |
| 2021-07-07 | 0.549 ppt |
| 2021-07-07 | 2.31 ppt |
| 2021-07-07 | 1.21 ppt |
| 2021-07-14 | ND |
| 2021-07-14 | 1.34 ppt |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-21 | 6.08 ppt |
| 2021-07-21 | ND |
| 2021-07-21 | 0.485 ppt |
| 2021-07-21 | ND |
| 2021-07-21 | 2.68 ppt |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | 1.03 ppt |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | 0.669 ppt |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-11 | 0.538 ppt |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | 0.922 ppt |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-18 | ND |
| 2021-08-18 | 0.843 ppt |
| 2021-08-18 | ND |
| 2021-08-18 | 5.24 ppt |
| 2021-08-18 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | 0.523 ppt |
| 2021-08-25 | 0.562 ppt |
| 2021-08-25 | 0.863 ppt |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | 1.13 ppt |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | 2.47 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 1.48 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 0.829 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | 1.23 ppt |
| 2021-10-06 | 0.795 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 0.954 ppt |
| 2021-10-06 | 0.781 ppt |
| 2021-10-06 | 0.666 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 0.646 ppt |
| 2021-10-06 | 2.90 ppt |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | 2.59 ppt |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | 5.34 ppt |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | 2.41 ppt |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | 1.05 ppt |
| 2022-01-12 | 0.824 ppt |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | 0.544 ppt |
| 2022-02-09 | 0.599 ppt |
| 2022-02-09 | 0.968 ppt |
| 2022-02-09 | 1.26 ppt |
| 2022-02-09 | 0.471 ppt |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | 0.730 ppt |
| 2022-03-09 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | 0.900 ppt |
| 2022-03-16 | 0.960 ppt |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | 0.840 ppt |
| 2022-03-16 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | 1.10 ppt |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 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 | 1.20 ppt |
| 2022-05-04 | 0.500 ppt |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | 1.70 ppt |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | 1.20 ppt |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-27 | 4.10 ppt |
| 2022-05-27 | ND |
| 2022-06-08 | 0.550 ppt |
| 2022-06-08 | 1.30 ppt |
| 2022-06-08 | 0.790 ppt |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | 0.750 ppt |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 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 | 0.580 ppt |
| 2022-07-13 | ND |
| 2022-07-13 | 0.570 ppt |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 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 | 0.530 ppt |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | 1.10 ppt |
| 2022-08-18 | ND |
| 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 | ND |
| 2022-09-07 | 0.520 ppt |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | 0.490 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 | 0.480 ppt |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | 0.530 ppt |
| 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 | 0.670 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 | 0.800 ppt |
| 2022-11-10 | 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 |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | 5.60 ppt |
| 2023-01-11 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | 3.60 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 | 1.80 ppt |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | 0.610 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 | 0.699 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 | 6.13 ppt |
| 2023-05-03 | ND |
| 2023-05-03 | 0.747 ppt |
| 2023-05-03 | ND |
| 2023-05-12 | ND |
| 2023-05-26 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | 0.805 ppt |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-09 | ND |
| 2023-06-23 | ND |
| 2023-07-07 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | 0.659 ppt |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-18 | ND |
| 2023-07-21 | ND |
| 2023-08-04 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | 0.557 ppt |
| 2023-08-08 | ND |
| 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 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-29 | ND |
| 2023-09-29 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-05 | ND |
| 2023-10-05 | ND |
| 2023-10-13 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-27 | ND |
| 2023-10-27 | ND |
| 2023-11-07 | ND |
| 2023-11-07 | 1.10 ppt |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 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 | 0.450 ppt |