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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Public Wholesale Water Supply District 19

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.

 

4

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
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-05-03322258ND
2016-05-30554351ND
2017-06-04770936ND
2018-05-08968038ND