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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Waipio Heights

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
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-04201903050128ND
2019-03-05201903060662ND
2019-09-03201909050222ND
2019-09-09201909110441ND