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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Hartford Waterworks

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
2018N/A00N/A
2019ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-07-101133515ND
2019-07-101133517ND
2019-07-101133507ND
2019-07-101133509ND
2019-07-101133513ND
2020-01-201170165ND
2020-01-201170171ND
2020-01-201170169ND
2020-01-201170160ND
2020-01-201170167ND