Oxamyl (Vydate)
Wallingford Water Department
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 | ND | 5 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-08-05 | CD73202-P5 | ND |
| 2019-08-12 | CD83465-P5 | ND |
| 2019-09-16 | CE10614-P5 | ND |
| 2019-10-10 | CE30938-P5 | ND |
| 2019-11-04 | CE53371-P5 | ND |
| 2020-06-08 | CG08411-P5 | ND |
| 2020-09-08 | CG72643B | ND |
| 2022-04-04 | CK99720-SOC5 | ND |
| 2022-04-06 | CL02025-SOC5 | ND |
| 2022-08-10 | CM01617-P5 | ND |
| 2022-09-06 | CM23340-P5 | ND |