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EWG's Tap Water Database — 2021 UPDATE

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Permethrin

Enid

Permethrin is an insecticide used on agricultural crops, but most uses are non-agricultural. It can be applied to residential areas to control mosquitoes and ticks and also used as a bug repellent on clothing, as well as medical applications to treat head lice. Long-term exposure to permethrin may harm the liver.

 

10

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
2020-12-08CL08053-05END
2020-12-08CL08053-04CND
2020-12-08CL08053-03CND
2020-12-08CL08053-02END
2020-12-08CL08053-01CND
2021-03-02DC02048-08END
2021-03-02DC02048-09BND
2021-03-02DC02048-01BND
2021-03-02DC02048-02BND
2021-03-02DC02048-03BND