Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Allendale Water Department

Perfluorooctane sulfonate (PFOS) 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.

 

93

Samples

0

Samples exceeding legal limit (MCL)

78

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20186.40 ppt32ND - 12.0 ppt
20197.91 ppt2320ND - 23.0 ppt
20208.37 ppt26261.80 ppt - 23.6 ppt
20217.30 ppt15151.79 ppt - 15.8 ppt
20226.39 ppt109ND - 13.7 ppt
20233.07 ppt156ND - 13.1 ppt
2024ND10ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppt

The EWG Health Guideline of 0.3 ppt for PFOS 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 Lab ID Result
2018-10-1520181001800107.20 ppt
2018-10-15201810018000912.0 ppt
2018-11-09201811140598ND
2019-01-162019011804229.80 ppt
2019-01-162019011804235.80 ppt
2019-01-16201901180424ND
2019-02-122019021403913.90 ppt
2019-02-1220190214039314.0 ppt
2019-02-12201902140395ND
2019-04-17201904180517ND
2019-04-172019041805157.10 ppt
2019-04-1720190418050910.00 ppt
2019-08-192019082006717.80 ppt
2019-08-1920190820067317.0 ppt
2019-08-192019082006752.10 ppt
2019-08-192019082006538.00 ppt
2019-08-192019082006357.00 ppt
2019-08-1920190820063723.0 ppt
2019-08-192019082006552.40 ppt
2019-10-092019101107772.80 ppt
2019-10-0920191011077319.0 ppt
2019-10-092019101107759.00 ppt
2019-10-0920191011075914.0 ppt
2019-10-092019101107578.30 ppt
2019-10-092019101107612.90 ppt
2019-11-062019110708508.10 ppt
2020-01-1620200117022015.0 ppt
2020-01-162020011702222.60 ppt
2020-01-162020011702247.20 ppt
2020-01-1620200117022618.0 ppt
2020-01-162020011703032.60 ppt
2020-03-190030939-015.75 ppt
2020-04-020040178-019.74 ppt
2020-04-020040178-072.85 ppt
2020-04-020040178-0523.6 ppt
2020-04-020040178-037.80 ppt
2020-04-020040177-052.27 ppt
2020-04-020040177-0316.7 ppt
2020-04-020040177-017.99 ppt
2020-07-020070155-017.14 ppt
2020-07-020070155-0314.1 ppt
2020-07-020070155-051.80 ppt
2020-07-020070152-038.33 ppt
2020-07-020070152-0114.2 ppt
2020-07-020070152-051.95 ppt
2020-10-080100519-072.13 ppt
2020-10-080100518-036.26 ppt
2020-10-080100519-036.76 ppt
2020-10-080100519-019.80 ppt
2020-10-080100518-051.92 ppt
2020-10-080100519-0511.8 ppt
2020-10-080100518-019.39 ppt
2021-01-071010338-018.44 ppt
2021-01-071010338-0412.9 ppt
2021-01-071010338-061.86 ppt
2021-01-071010337-058.15 ppt
2021-01-071010337-018.00 ppt
2021-01-071010337-035.47 ppt
2021-01-071010337-071.88 ppt
2021-04-081040421-042.45 ppt
2021-04-081040421-0115.8 ppt
2021-04-081040421-069.00 ppt
2021-07-011070121-019.11 ppt
2021-07-011070121-0411.8 ppt
2021-07-011070121-072.04 ppt
2021-10-201101041-0110.8 ppt
2021-10-201101041-041.79 ppt
2022-01-062010302-0113.7 ppt
2022-01-062010302-022.50 ppt
2022-04-072040467-0112.3 ppt
2022-04-072040467-042.84 ppt
2022-07-142070774-026.63 ppt
2022-07-142070774-04ND
2022-07-212071102-014.68 ppt
2022-10-132100675-016.74 ppt
2022-10-132100675-0412.4 ppt
2022-10-132100675-062.07 ppt
2023-01-1223A0664-019.75 ppt
2023-01-1223A0664-03ND
2023-01-17100441PND
2023-01-17100440P13.1 ppt
2023-01-17100849PND
2023-04-1323D0677-04ND
2023-04-1323D0677-019.89 ppt
2023-04-18104419PND
2023-06-0823F0472-014.98 ppt
2023-07-1323G0773-016.17 ppt
2023-07-1323G0773-03ND
2023-07-1923G1213-01ND
2023-07-1923G1213-02ND
2023-10-1123J0844-01ND
2023-10-1123J0844-032.14 ppt
2024-02-14112146PND