Oxamyl (Vydate)
Tallulah 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 | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | 0.243 ppb | 4 | 1 | ND - 0.970 ppb |
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 |
|---|---|---|
| 2018-10-22 | 35426078004 | ND |
| 2018-10-22 | 35426078004 | ND |
| 2018-11-05 | 35429984004 | ND |
| 2018-11-05 | 35429984003 | ND |
| 2018-11-05 | 35429984001 | ND |
| 2018-11-05 | 35429984002 | ND |
| 2018-11-05 | 35429984003 | ND |
| 2018-11-05 | 35429984004 | ND |
| 2018-11-05 | 35429984002 | ND |
| 2018-11-05 | 35429984001 | ND |
| 2019-01-10 | 35441784002 | ND |
| 2019-01-10 | 35441784004 | ND |
| 2019-01-10 | 35441784002 | ND |
| 2019-01-10 | 35441784001 | ND |
| 2019-01-10 | 35441784004 | ND |
| 2019-01-10 | 35441784003 | ND |
| 2019-01-10 | 35441784001 | ND |
| 2019-01-10 | 35441784003 | ND |
| 2021-11-01 | 35674847004 | ND |
| 2021-11-01 | 35674847003 | ND |
| 2021-11-01 | 35674847002 | ND |
| 2021-11-01 | 35674847001 | ND |
| 2022-02-14 | 35697828001 | ND |
| 2022-02-15 | 35697824001 | ND |
| 2022-02-15 | 35697824002 | ND |
| 2022-02-15 | 35697824003 | ND |
| 2023-03-17 | 35787887002 | ND |
| 2023-04-17 | 35794067001 | ND |
| 2023-07-17 | 35814095001 | ND |
| 2023-10-02 | 35831872001 | 0.970 ppb |