Know Your Environment. Protect Your Health.

Perfluorooctanoic acid (PFOA)

Leicester Water Supply District

Perfluorooctanoic acid (PFOA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOA 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.

 

136

Samples

0

Samples exceeding legal limit (MCL)

129

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
20203.89 ppt86ND - 13.0 ppt
20217.20 ppt46460.760 ppt - 19.0 ppt
20227.12 ppt4641ND - 24.0 ppt
202312.4 ppt36361.10 ppt - 23.0 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.09 ppt

The EWG Health Guideline of 0.09 ppt for PFOA was was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

Date Result
2020-12-091.60 ppt
2020-12-091.000 ppt
2020-12-098.10 ppt
2020-12-09ND
2020-12-09ND
2020-12-0913.0 ppt
2020-12-091.50 ppt
2020-12-095.90 ppt
2021-02-221.80 ppt
2021-02-220.850 ppt
2021-02-222.10 ppt
2021-02-220.760 ppt
2021-02-227.50 ppt
2021-02-2211.0 ppt
2021-02-225.90 ppt
2021-02-224.80 ppt
2021-02-2213.0 ppt
2021-02-225.40 ppt
2021-02-223.90 ppt
2021-02-2214.0 ppt
2021-05-134.00 ppt
2021-05-1313.0 ppt
2021-05-134.10 ppt
2021-05-139.10 ppt
2021-05-136.90 ppt
2021-05-1313.0 ppt
2021-05-1316.0 ppt
2021-06-227.30 ppt
2021-06-224.50 ppt
2021-06-227.10 ppt
2021-07-204.20 ppt
2021-08-1111.0 ppt
2021-08-118.20 ppt
2021-08-115.10 ppt
2021-08-114.30 ppt
2021-08-1116.0 ppt
2021-08-118.40 ppt
2021-08-116.10 ppt
2021-08-119.60 ppt
2021-09-1511.0 ppt
2021-09-155.30 ppt
2021-10-215.60 ppt
2021-10-215.00 ppt
2021-10-210.880 ppt
2021-10-215.00 ppt
2021-10-218.70 ppt
2021-10-211.60 ppt
2021-10-216.80 ppt
2021-10-2119.0 ppt
2021-10-216.80 ppt
2021-11-236.40 ppt
2021-11-234.90 ppt
2021-12-158.20 ppt
2021-12-157.10 ppt
2022-01-258.10 ppt
2022-01-254.60 ppt
2022-01-257.70 ppt
2022-01-2516.0 ppt
2022-01-259.20 ppt
2022-01-256.70 ppt
2022-01-262.10 ppt
2022-01-265.60 ppt
2022-01-26ND
2022-02-225.90 ppt
2022-02-228.80 ppt
2022-03-1611.0 ppt
2022-03-165.80 ppt
2022-04-28ND
2022-04-286.90 ppt
2022-04-285.50 ppt
2022-04-281.30 ppt
2022-04-286.90 ppt
2022-04-284.00 ppt
2022-04-2814.0 ppt
2022-04-285.00 ppt
2022-04-284.60 ppt
2022-05-196.00 ppt
2022-05-19ND
2022-06-289.40 ppt
2022-06-284.70 ppt
2022-07-20ND
2022-07-20ND
2022-07-2010.00 ppt
2022-07-2014.0 ppt
2022-07-207.80 ppt
2022-07-2017.0 ppt
2022-07-204.10 ppt
2022-07-2019.0 ppt
2022-08-258.70 ppt
2022-08-251.10 ppt
2022-09-2210.00 ppt
2022-09-223.90 ppt
2022-10-2624.0 ppt
2022-10-261.80 ppt
2022-10-268.10 ppt
2022-10-267.20 ppt
2022-11-222.10 ppt
2022-11-229.60 ppt
2022-12-208.10 ppt
2022-12-2011.0 ppt
2023-01-279.30 ppt
2023-01-2716.0 ppt
2023-01-2719.0 ppt
2023-01-279.60 ppt
2023-01-271.10 ppt
2023-01-2715.0 ppt
2023-01-275.90 ppt
2023-01-2713.0 ppt
2023-01-279.10 ppt
2023-01-2718.0 ppt
2023-02-218.00 ppt
2023-03-229.40 ppt
2023-04-2512.0 ppt
2023-04-2522.0 ppt
2023-04-2518.0 ppt
2023-04-2510.00 ppt
2023-04-256.80 ppt
2023-04-255.50 ppt
2023-05-228.60 ppt
2023-06-227.80 ppt
2023-07-2415.0 ppt
2023-07-2417.0 ppt
2023-07-2423.0 ppt
2023-07-2423.0 ppt
2023-07-2412.0 ppt
2023-07-2416.0 ppt
2023-08-228.40 ppt
2023-08-238.30 ppt
2023-09-2817.0 ppt
2023-09-2918.0 ppt
2023-10-177.60 ppt
2023-10-179.20 ppt
2023-10-1722.0 ppt
2023-10-177.80 ppt
2023-10-179.50 ppt
2023-10-178.20 ppt