Oxamyl (Vydate)

City of Watsonville

Oxamyl is a neurotoxic insecticide used on cotton, fruit and vegetable crops. It may harm fetal development.

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	N/A	0	N/A
2015	N/A	0	N/A
2016	ND	28	ND
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	N/A	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 26 ppb

The EWG Health Guideline of 26 ppb for oxamyl was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the central nervous system.

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for oxamyl, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date	Lab ID	Result
2016-03-15	9590-016-1120	ND
2016-03-15	9590-014-1120	ND
2016-03-15	9590-013-0915	ND
2016-03-15	9590-012-1015	ND
2016-03-15	9590-015-1050	ND
2016-03-15	9590-011-1205	ND
2016-03-15	9590-010-0950	ND
2016-03-15	9590-009-1015	ND
2016-03-15	9590-007-1145	ND
2016-03-15	9590-029-1050	ND
2016-03-15	9590-006-0930	ND
2016-03-15	9590-030-0830	ND
2016-06-14	9590-016-1020	ND
2016-06-14	9590-030-1020	ND
2016-06-14	9590-015-1300	ND
2016-06-14	9590-029-1000	ND
2016-06-14	9590-014-0850	ND
2016-06-14	9590-004-1210	ND
2016-06-14	9590-013-0840	ND
2016-06-14	9590-012-1220	ND
2016-06-14	9590-011-1315	ND
2016-06-14	9590-010-0950	ND
2016-06-14	9590-009-1050	ND
2016-06-14	9590-007-1045	ND
2016-06-14	9590-006-0910	ND
2016-06-20	9590-005-1510	ND
2016-09-13	9590-005-1440	ND
2016-09-13	9590-004-1400	ND