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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Acton MUD

Chlorpyrifos is an organophosphate pesticide that has been widely used, but in 2021, application on food crops was banned by the EPA. Exposure to chlorpyrifos during pregnancy and early life harms the developing brain, including reduced IQ, delayed development of motor and sensory functions, and social and behavioral dysfunction.

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38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND160ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-12-18Q1980756004ND
2019-12-18Q1980756009ND
2019-12-18Q1980756008ND
2019-12-18Q1980756007ND
2019-12-18Q1980756010ND
2019-12-18Q1980756006ND
2019-12-18Q1980756005ND
2019-12-18Q1980756011ND
2019-12-18Q1980756003ND
2019-12-18Q1980756012ND
2019-12-18Q1980756002ND
2019-12-18Q1980756001ND
2019-12-19Q1980756019ND
2019-12-19Q1980756017ND
2019-12-19Q1980756018ND
2019-12-19Q1980756016ND
2020-03-17Q2011538001ND
2020-06-16Q2024394010ND
2020-06-16Q2024394009ND
2020-06-16Q2024394012ND
2020-06-16Q2024394008ND
2020-06-16Q2024394011ND
2020-06-16Q2024394007ND
2020-06-16Q2024394006ND
2020-06-16Q2024394005ND
2020-06-16Q2024394004ND
2020-06-16Q2024394003ND
2020-06-16Q2024394002ND
2020-06-16Q2024394001ND
2020-06-17Q2024394020ND
2020-06-17Q2024394019ND
2020-06-17Q2024394018ND
2020-06-17Q2024394017ND
2020-06-17Q2024394016ND
2020-06-17Q2024394015ND
2020-09-16Q2037111001ND
2020-09-16Q2037111002ND
2020-09-16Q2037111003ND