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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Waukesha Water Utility

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.

 

14

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
2019ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-08-061139287ND
2019-08-061139276ND
2019-08-131140606ND
2019-08-131140610ND
2019-08-141141232ND
2019-08-141141234ND
2019-08-211142616ND
2020-02-041172156ND
2020-02-041172158ND
2020-02-041172154ND
2020-02-121173828ND
2020-02-121173825ND
2020-02-121173826ND
2020-02-121173830ND