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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

City of South Sioux City

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.

 

16

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
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND120ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-06-02356525ND
2015-06-02356526ND
2015-08-17375026ND
2015-08-17375027ND
2018-01-29B8A2743-01_EPA 5ND
2018-01-29B8A2743-02_EPA 5ND
2018-01-29B8A2743-03_EPA 5ND
2018-04-16B8D1820-01ND
2018-05-29544369ND
2018-05-29544370ND
2018-07-11B8G1575-03ND
2018-07-11B8G1575-02ND
2018-07-24B8G3128-02ND
2018-08-27561083ND
2018-08-27561084ND
2018-10-24B8J3641-01ND