Oxamyl (Vydate)

Sulphur Water System

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	ND	12	ND
2015	ND	2	ND
2016	N/A	0	N/A
2017	ND	12	ND
2018	N/A	0	N/A
2019	ND	12	ND

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
2014-07-21	AD93897	ND
2014-07-21	AD93894	ND
2014-07-21	AD93897	ND
2014-07-21	AD93896	ND
2014-07-21	AD93895	ND
2014-07-21	AD93894	ND
2014-07-21	AD93895	ND
2014-07-21	AD93896	ND
2014-10-06	AD98325	ND
2014-10-06	AD98326	ND
2014-10-06	AD98325	ND
2014-10-06	AD98326	ND
2015-03-02	35177665003	ND
2015-03-02	35177665003	ND
2017-07-17	35324418005	ND
2017-07-17	35324418004	ND
2017-07-17	35324418003	ND
2017-07-17	35324418002	ND
2017-07-17	35324418001	ND
2017-07-17	35324418005	ND
2017-07-17	35324418004	ND
2017-07-17	35324418003	ND
2017-07-17	35324418002	ND
2017-07-17	35324418001	ND
2017-09-19	35337316003	ND
2017-09-19	35337316003	ND
2019-07-08	B1902871-001	ND
2019-07-08	B1902871-002	ND
2019-07-08	B1902871-001	ND
2019-07-08	B1902871-002	ND
2019-12-09	35518078001	ND
2019-12-09	35518078004	ND
2019-12-09	35518078003	ND
2019-12-09	35518078002	ND
2019-12-09	35518078001	ND
2019-12-09	35518078004	ND
2019-12-09	35518078003	ND
2019-12-09	35518078002	ND