Know Your Environment. Protect Your Health.

Permethrin

North Wales Water Authority

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND200ND
2019ND20ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-143936274ND
2018-05-143936711ND
2018-05-143936203ND
2018-05-143936209ND
2018-05-143936814ND
2018-05-143936280ND
2018-05-143936696ND
2018-05-143936702ND
2018-05-143936399ND
2018-05-143936393ND
2018-08-134021061ND
2018-11-124118905ND
2018-11-124118864ND
2018-11-124118828ND
2018-11-124118926ND
2018-11-124119237ND
2018-11-124118976ND
2018-11-124119192ND
2018-11-124119248ND
2018-11-124119286ND
2019-01-074166304ND
2019-02-114194154ND