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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

California Water Service Company - Hermosa / Redondo Beach

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.

 

8

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
2018ND20ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-19201809190652ND
2018-12-06201812060672ND
2019-03-20201903200661ND
2019-06-06201906060675ND
2020-07-22202007220444ND
2020-08-26202008260615ND
2020-12-08202012080485ND
2020-12-08202012080491ND