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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

City of Laramie

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
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-11-064112779ND
2018-11-064112783ND
2018-11-064112674ND
2018-11-064113325ND
2019-02-054190109ND
2019-05-144294119ND
2019-05-144293987ND
2019-05-144294142ND
2019-05-144294055ND
2019-08-124385774ND