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EWG's Tap Water Database — 2021 UPDATE

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Permethrin

Pa-american Water Co-connellsv

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.

 

8

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
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-07-1745023301ND
2019-07-1745023401ND
2019-10-0946835201ND
2019-10-0946835301ND
2020-01-1447976701ND
2020-01-1447976801ND
2020-04-0649599301ND
2020-04-0649599401ND