Know Your Environment. Protect Your Health.

Perfluorobutane sulfonate (PFBS)

Leicester Water Supply District

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.

 

132

Samples

0

Samples exceeding legal limit (MCL)

77

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
20201.15 ppt86ND - 2.90 ppt
20211.41 ppt4238ND - 4.00 ppt
20221.13 ppt4636ND - 3.40 ppt
20231.35 ppt3635ND - 2.30 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
2020-12-091.10 ppt
2020-12-090.760 ppt
2020-12-091.10 ppt
2020-12-09ND
2020-12-09ND
2020-12-091.80 ppt
2020-12-092.90 ppt
2020-12-091.50 ppt
2021-02-221.000 ppt
2021-02-22ND
2021-02-221.10 ppt
2021-02-22ND
2021-02-221.20 ppt
2021-02-220.890 ppt
2021-02-221.10 ppt
2021-02-221.80 ppt
2021-02-221.80 ppt
2021-02-222.50 ppt
2021-02-222.70 ppt
2021-05-131.70 ppt
2021-05-131.50 ppt
2021-05-130.770 ppt
2021-05-131.10 ppt
2021-05-131.80 ppt
2021-05-132.00 ppt
2021-05-130.910 ppt
2021-07-201.90 ppt
2021-08-111.60 ppt
2021-08-111.000 ppt
2021-08-111.90 ppt
2021-08-112.10 ppt
2021-08-110.850 ppt
2021-08-111.10 ppt
2021-08-110.900 ppt
2021-08-111.20 ppt
2021-09-151.40 ppt
2021-09-152.20 ppt
2021-10-210.800 ppt
2021-10-212.60 ppt
2021-10-21ND
2021-10-21ND
2021-10-211.30 ppt
2021-10-210.970 ppt
2021-10-212.00 ppt
2021-10-210.960 ppt
2021-10-210.940 ppt
2021-11-233.30 ppt
2021-11-230.730 ppt
2021-12-151.40 ppt
2021-12-154.00 ppt
2022-01-251.10 ppt
2022-01-250.790 ppt
2022-01-251.000 ppt
2022-01-251.80 ppt
2022-01-250.880 ppt
2022-01-251.20 ppt
2022-01-261.20 ppt
2022-01-263.20 ppt
2022-01-26ND
2022-02-222.60 ppt
2022-02-220.960 ppt
2022-03-161.40 ppt
2022-03-162.10 ppt
2022-04-28ND
2022-04-280.910 ppt
2022-04-28ND
2022-04-28ND
2022-04-28ND
2022-04-281.30 ppt
2022-04-28ND
2022-04-280.760 ppt
2022-04-281.40 ppt
2022-05-190.910 ppt
2022-05-19ND
2022-06-281.10 ppt
2022-06-282.00 ppt
2022-07-20ND
2022-07-200.990 ppt
2022-07-20ND
2022-07-201.40 ppt
2022-07-200.920 ppt
2022-07-201.50 ppt
2022-07-201.90 ppt
2022-07-201.80 ppt
2022-08-250.990 ppt
2022-08-25ND
2022-09-221.30 ppt
2022-09-222.50 ppt
2022-10-262.40 ppt
2022-10-260.840 ppt
2022-10-261.50 ppt
2022-10-260.760 ppt
2022-11-220.780 ppt
2022-11-220.880 ppt
2022-12-203.40 ppt
2022-12-201.50 ppt
2023-01-271.70 ppt
2023-01-272.00 ppt
2023-01-271.40 ppt
2023-01-272.30 ppt
2023-01-27ND
2023-01-270.700 ppt
2023-01-271.30 ppt
2023-01-271.10 ppt
2023-01-270.840 ppt
2023-01-271.40 ppt
2023-02-211.10 ppt
2023-03-221.10 ppt
2023-04-252.20 ppt
2023-04-251.30 ppt
2023-04-251.50 ppt
2023-04-250.860 ppt
2023-04-251.70 ppt
2023-04-250.820 ppt
2023-05-221.000 ppt
2023-06-220.940 ppt
2023-07-241.30 ppt
2023-07-241.90 ppt
2023-07-242.00 ppt
2023-07-242.10 ppt
2023-07-241.30 ppt
2023-07-241.70 ppt
2023-08-221.20 ppt
2023-08-230.890 ppt
2023-09-282.00 ppt
2023-09-292.30 ppt
2023-10-171.000 ppt
2023-10-170.820 ppt
2023-10-171.60 ppt
2023-10-171.10 ppt
2023-10-170.990 ppt
2023-10-171.000 ppt