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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

City of Atchison

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
2014ND20ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND40ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-26119216ND
2014-05-26119217ND
2015-05-18334304ND
2016-06-06560285ND
2017-05-22765772ND
2018-04-18Q1816296001ND
2018-05-14970831ND
2018-07-16Q1828048001ND
2018-10-16Q1841276001ND
2019-03-26Q1912377001ND