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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

West Lamar Water Assn #1

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.

 

12

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
2019ND120ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-04-2335463823001SEA1ND
2019-04-2335463823002SEA1ND
2019-04-2335463823003SEA1ND
2019-04-2335463823004SEA1ND
2019-04-2335463823005SEA1ND
2019-04-2335463823006SEA1ND
2019-10-2435507509001SEA2ND
2019-10-2435507509002SEA2ND
2019-10-2435507509003SEA2ND
2019-10-2435507509004SEA2ND
2019-10-2435507509005SEA2ND
2019-10-2435507509006SEA2ND