Permethrin

Kansas City

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	Samples taken	Range of results
2013	N/A	0	N/A
2014	ND	9	ND
2015	ND	12	ND
2016	ND	11	ND
2017	ND	6	ND
2018	ND	1	ND
2019	ND	4	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-04-06	D11763	ND
2014-05-04	D15202	ND
2014-06-01	D18931	ND
2014-07-01	D22860	ND
2014-08-01	D26836	ND
2014-09-05	D31301	ND
2014-10-13	D36014	ND
2014-11-04	D38817	ND
2014-12-03	D42624	ND
2015-01-05	D46697	ND
2015-02-09	D51137	ND
2015-03-11	D55013	ND
2015-04-29	D61355	ND
2015-05-28	D65077	ND
2015-06-15	D67376	ND
2015-07-08	D70235	ND
2015-08-26	D76796	ND
2015-09-23	D80567	ND
2015-10-26	D84945	ND
2015-11-16	D87792	ND
2015-12-08	D90592	ND
2016-01-14	D95251	ND
2016-02-29	E00504	ND
2016-03-09	E02289	ND
2016-04-13	E06748	ND
2016-05-11	E10413	ND
2016-07-15	E19092	ND
2016-08-14	E23100	ND
2016-09-25	E28654	ND
2016-10-19	E31869	ND
2016-11-14	E35060	ND
2016-12-07	E37941	ND
2017-04-10	E53857	ND
2017-05-21	E59345	ND
2017-06-21	E63346	ND
2017-07-15	E66567	ND
2017-08-28	E72302	ND
2017-09-26	E76242	ND
2018-05-30	F07367	ND
2019-03-13	35454509001SEA1	ND
2019-06-12	35475459001SEA2	ND
2019-09-25	35500953001SEA3	ND
2019-12-18	35520069001SEA4	ND