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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Wellington, City of

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND50ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-22136507ND
2015-06-21352481ND
2016-06-27571465ND
2017-06-18781461ND
2018-02-12100468PND
2018-05-08103879PND
2018-06-18990509ND
2018-08-21107192PND
2018-11-05109201PND