Oxamyl (Vydate)
Warrington Twp Water&sew Dept
NOTE: Warrington Twp Water&sew Dept purchases water from North Wales Water Authority which is required to test for oxamyl (vydate). Sample information shown below was taken by North Wales Water Authority.
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 | 1 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 7 | 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
NOTE: Warrington Twp Water&sew Dept purchases water from North Wales Water Authority which is required to test for oxamyl (vydate). Sample information shown below was taken by North Wales Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2020-04-01 | 22025482.00 | ND |
| 2020-04-20 | 22026087.00 | ND |
| 2020-04-20 | 22026177.00 | ND |
| 2020-04-20 | 22026117.00 | ND |
| 2020-04-20 | 22026147.00 | ND |
| 2020-04-27 | 22217308.00 | ND |
| 2020-04-27 | 22217278.00 | ND |
| 2020-04-27 | 22217338.00 | ND |
| 2020-04-27 | 22217397.00 | ND |
| 2020-04-27 | 22217368.00 | ND |
| 2020-07-06 | 22609705.00 | ND |
| 2020-07-27 | 22801146.00 | ND |
| 2020-07-27 | 22801172.00 | ND |
| 2020-07-27 | 22801115.00 | ND |
| 2020-07-27 | 22801206.00 | ND |
| 2020-07-27 | 22801085.00 | ND |
| 2020-08-31 | 23001507.00 | ND |
| 2020-08-31 | 23001479.00 | ND |
| 2020-08-31 | 23001423.00 | ND |
| 2020-08-31 | 23001451.00 | ND |
| 2023-04-03 | 28704950.00 | ND |
| 2023-04-03 | 28704953.00 | ND |
| 2023-04-03 | 28704954.00 | ND |
| 2023-04-03 | 28704952.00 | ND |
| 2023-04-03 | 28704951.00 | ND |
| 2023-04-04 | 28704955.00 | ND |
| 2023-06-05 | 29110383.00 | ND |
| 2023-07-10 | 29304321.00 | ND |
| 2023-07-10 | 29304320.00 | ND |
| 2023-07-10 | 29304318.00 | ND |
| 2023-07-10 | 29304317.00 | ND |
| 2023-07-11 | 29304322.00 | ND |
| 2023-07-11 | 29304319.00 | ND |
| 2023-07-11 | 29304323.00 | ND |