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EWG's Tap Water Database — 2021 UPDATE

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Permethrin

Bell Arthur Water Corporation

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.

 

14

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
2019ND140ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-04110772PND
2019-03-04110773PND
2019-03-04110774PND
2019-03-04110775PND
2019-03-04110776PND
2019-03-04110777PND
2019-06-05112600PND
2019-09-03114760PND
2019-09-03114761PND
2019-09-03114762PND
2019-09-03114764PND
2019-09-03114765PND
2019-09-18115144RND
2019-12-02116240PND