Oxamyl (Vydate)
Berwick Bayou Vista Water Works Commission
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 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-01-25 | 35370415001 | ND |
| 2018-01-25 | 35370415001 | ND |
| 2018-07-09 | 35403038001 | ND |
| 2018-07-09 | 35403038001 | ND |
| 2019-01-15 | 35442693001 | ND |
| 2019-01-15 | 35442693001 | ND |
| 2019-07-09 | B1902907-001 | ND |
| 2019-07-09 | B1902907-001 | ND |
| 2020-02-04 | 35528640001 | ND |
| 2020-03-19 | 35538834001 | ND |
| 2020-10-15 | 35585522001 | ND |
| 2020-11-18 | 35593540001 | ND |
| 2021-03-25 | 35621779001 | ND |
| 2021-11-30 | 35680897001 | ND |
| 2022-05-11 | 35717556001 | ND |
| 2022-07-28 | 35735505001 | ND |
| 2023-09-26 | 35830707001 | ND |
| 2023-10-09 | 35833393001 | ND |