Methomyl

Truckee Meadows Water Authority

Methomyl is an extremely toxic carbamate insecticide that targets the nervous system. In 2015 the EPA restricted some uses of methomyl on some food crops to reduce risks to human health.

MORE ABOUT THIS CONTAMINANT

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	26	ND
2015	ND	16	ND
2016	N/A	0	N/A
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	N/A	0	N/A

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-04-22	0414-16-S	ND
2014-04-22	0414-13-S	ND
2014-04-22	0414-12-S	ND
2014-04-23	0414-17-S	ND
2014-06-09	0614-06-S	ND
2014-06-09	0614-07-S	ND
2014-06-17	0614-14-S	ND
2014-06-17	0614-13-S	ND
2014-06-17	0614-12-S	ND
2014-06-17	0614-11-S	ND
2014-06-17	0614-10-S	ND
2014-06-17	0614-09-S	ND
2014-07-29	0714-37-S	ND
2014-07-29	0714-32	ND
2014-07-29	0714-36-S	ND
2014-07-29	0714-35-S	ND
2014-07-29	0714-33-S	ND
2014-07-29	0714-34-S	ND
2014-07-30	0714-45-S	ND
2014-07-30	0714-46-S	ND
2014-07-30	0714-48-S	ND
2014-07-30	0714-47-S	ND
2014-09-02	0914-06-W18	ND
2014-09-02	0914-05-S	ND
2014-09-02	0914-06-S	ND
2014-09-02	0914-07-S	ND
2015-06-08	1506018-01	ND
2015-06-08	1506017-01	ND
2015-06-17	1506035-01	ND
2015-06-17	1506036-01	ND
2015-06-17	1506037-01	ND
2015-06-17	1506038-01	ND
2015-06-23	1506055-01	ND
2015-06-23	1506061-01	ND
2015-07-22	1507045-EUR	ND
2015-07-22	1507046-EUR	ND
2015-08-19	1508047-EUR	ND
2015-08-19	1508048-EUR	ND
2015-08-19	1508050-EUR	ND
2015-08-19	1508051-EUR	ND
2015-08-19	1508053-EUR	ND
2015-08-19	1508054-EUR	ND