Permethrin

City of Florence

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.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Range of results
2014	N/A	N/A
2015	N/A	N/A
2016	N/A	N/A
2017	N/A	N/A
2018	N/A	N/A
2019	N/A	N/A

ppb = parts per billion

All test results

Date	Lab ID	Result
2020-01-21	4545154	ND
2020-01-21	4544929	ND
2020-01-21	4544949	ND
2020-01-21	4544877	ND
2020-01-21	4545054	ND
2020-01-21	4545117	ND
2020-01-21	4545034	ND
2020-01-21	4545149	ND
2020-01-22	4546697	ND
2020-01-22	4546338	ND
2020-01-22	4546256	ND
2020-04-07	4603822	ND
2020-07-06	4664518	ND
2020-07-06	4664688	ND
2020-07-06	4664632	ND
2020-07-06	4664613	ND
2020-07-06	4664655	ND
2020-07-07	4666266	ND
2020-07-07	4666270	ND
2020-07-07	4665938	ND
2020-07-07	4666292	ND
2020-07-07	4666072	ND
2020-07-07	4666036	ND
2020-10-06	4743877	ND