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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

City of Upland

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.

 

19

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
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2020-03-25202003250314ND
2020-03-25202003030089ND
2020-03-25202003030088ND
2020-03-25202003030087ND
2020-03-25202003250317ND
2020-03-25202003250316ND
2020-03-25202003030079ND
2020-03-25202003250315ND
2020-03-25202003250313ND
2020-03-25202003250312ND
2020-03-25202003030080ND
2020-06-24202006240433ND
2020-06-24202006240440ND
2020-06-24202006240439ND
2020-06-24202006240441ND
2020-06-24202006240442ND
2020-06-24202006240438ND
2020-06-24202006240434ND
2020-07-15202007150133ND