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EWG's Tap Water Database — 2021 UPDATE

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Permethrin

City of Wichita Falls

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND80ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-103908902ND
2018-04-103908662ND
2018-06-053953352ND
2018-06-053953466ND
2018-09-114053177ND
2018-09-114052792ND
2018-12-044141711ND
2018-12-044141646ND