Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Permethrin

Golden State Water Company - Barstow

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
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-20201903200496ND
2019-03-20201903200494ND
2019-03-20201903200497ND
2019-03-20201903200495ND
2019-09-23201909230993ND
2019-09-23201909230991ND
2019-09-23201909230994ND
2019-09-23201909230992ND