Oxamyl (Vydate)
Assumption Parish Waterworks District 1
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 | 3 | 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 | 35370415008 | ND |
| 2018-01-25 | 35370415008 | ND |
| 2018-07-23 | 35406285001 | ND |
| 2018-07-23 | 35406285001 | ND |
| 2019-01-29 | 35445085001 | ND |
| 2019-01-29 | 35445085001 | ND |
| 2019-07-24 | 35484850001 | ND |
| 2019-07-24 | 35484850001 | ND |
| 2020-03-23 | 35539297001 | ND |
| 2020-05-14 | 35550428001 | ND |
| 2020-10-15 | 35585526001 | ND |
| 2021-03-25 | 35621778001 | ND |
| 2021-11-04 | 35675771001 | ND |
| 2022-02-10 | 35696476001 | ND |
| 2022-08-25 | 35742736001 | ND |
| 2023-02-27 | 35782417001 | ND |
| 2023-10-23 | 35836720001 | ND |