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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Weston Municipal Utilities

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.

 

10

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
2019ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-07-161134681ND
2019-07-161134692ND
2019-07-161134690ND
2019-07-161134684ND
2019-07-161134686ND
2020-01-141169095ND
2020-01-141169093ND
2020-01-141169098ND
2020-01-141169091ND
2020-01-141169130ND