Oxamyl (Vydate)
Mustang Valley Water Supply Corporation
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 | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 5 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2020-08-26 | Q2034243013 | ND |
| 2020-08-26 | Q2034243021 | ND |
| 2020-08-26 | Q2034243025 | ND |
| 2020-08-26 | Q2034243031 | ND |
| 2020-08-26 | Q2034243040 | ND |
| 2023-07-24 | Q2329212005 | ND |
| 2023-07-24 | Q2329212006 | ND |
| 2023-11-28 | Q2350634001 | ND |
| 2023-11-28 | Q2350634002 | ND |
| 2023-11-28 | Q2350634003 | ND |