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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

Southern Okla Water Corp

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.

 

24

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
2019ND170ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-01-07BA08102-02DND
2019-01-07BA08102-03DND
2019-01-07BA08102-01DND
2019-04-01BD02058-01END
2019-04-01BD02058-03HND
2019-07-08BG09158-01DND
2019-07-08BG09158-02DND
2019-07-08BG09158-03DND
2019-10-07BJ08136-13END
2019-10-07BJ08136-03END
2019-10-07BJ08136-02END
2019-10-07BJ08136-01END
2019-10-07BJ08136-15END
2019-10-07BJ08136-14DND
2019-10-07BJ08136-12END
2019-10-07BJ08136-11END
2019-10-07BJ08136-10END
2020-04-06CD07093-01DND
2020-04-06CD07097-03CND
2020-04-06CD07102-01CND
2020-04-06CD07102-02DND
2020-04-06CD07093-02DND
2020-04-06CD07093-03DND
2020-07-06CG07145-01CND