Oxamyl (Vydate)
Walnut Grove Utilities
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 | 5 | 0 | ND |
| 2019 | ND | 13 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 15 | 0 | ND |
| 2022 | ND | 23 | 0 | ND |
| 2023 | ND | 23 | 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 |
|---|---|---|
| 2018-06-12 | 680-153971-1 | ND |
| 2018-06-13 | 680-154051-1 | ND |
| 2018-07-03 | 680-154927-1 | ND |
| 2018-07-10 | 680-155198-1 | ND |
| 2018-10-16 | 680-159419-1 | ND |
| 2019-02-26 | 680-165150-1 | ND |
| 2019-02-26 | 680-165155-1 | ND |
| 2019-03-05 | 680-165488-1 | ND |
| 2019-03-05 | 680-165490-1 | ND |
| 2019-03-12 | 680-165969-1 | ND |
| 2019-04-02 | 680-167058-1 | ND |
| 2019-04-02 | 680-167063-1 | ND |
| 2019-04-09 | 680-167500-1 | ND |
| 2019-04-09 | 680-167502-1 | ND |
| 2019-07-16 | 680-171849-1 | ND |
| 2019-07-16 | 680-171850-1 | ND |
| 2019-08-07 | 680-172766-1 | ND |
| 2019-08-07 | 680-172772-1 | ND |
| 2020-03-11 | 680-181457-1 | ND |
| 2020-03-12 | 680-181458-1 | ND |
| 2020-03-12 | 680-181458-1 | ND |
| 2020-04-13 | 680-182769-1 | ND |
| 2020-06-11 | 680-185024-1 | ND |
| 2020-09-02 | 680-188324-1 | ND |
| 2020-09-02 | 680-188323-1 | ND |
| 2021-03-18 | 1034634-01 | ND |
| 2021-03-18 | 1034633-01 | ND |
| 2021-04-22 | 1044869-01 | ND |
| 2021-04-29 | 1052161-01 | ND |
| 2021-05-06 | 1052823-01 | ND |
| 2021-05-13 | 1054055-01 | ND |
| 2021-07-21 | 1075197-01 | ND |
| 2021-08-12 | 1085060-01 | ND |
| 2021-08-16 | 1085287-01 | ND |
| 2021-08-16 | 1085285-01 | ND |
| 2021-09-07 | 1092735-01 | ND |
| 2021-10-12 | 810-5182-1 | ND |
| 2021-12-28 | 810-11025-1 | ND |
| 2021-12-29 | 810-11326-3 | ND |
| 2021-12-29 | 810-11220-1 | ND |
| 2022-03-08 | 810-17576-1A | ND |
| 2022-03-08 | 810-17573-1A | ND |
| 2022-03-08 | 810-17505-1A | ND |
| 2022-03-08 | 810-17508-1A | ND |
| 2022-03-09 | FWC0111B | ND |
| 2022-03-09 | 810-18451-1A | ND |
| 2022-03-09 | 810-18448-1 | ND |
| 2022-03-14 | FWC0176-01S | ND |
| 2022-03-23 | 810-18980-1S | ND |
| 2022-05-16 | FWF0001-01B | ND |
| 2022-05-16 | FWE0086 | ND |
| 2022-05-16 | FWE0085-01 | ND |
| 2022-05-16 | FWE0082-01A | ND |
| 2022-07-11 | FWG0325 | ND |
| 2022-07-11 | FWG0313 | ND |
| 2022-07-11 | FWG0322 | ND |
| 2022-09-28 | FWJ0040 | ND |
| 2022-09-28 | FWJ0039 | ND |
| 2022-10-26 | FWJ0180-01 | ND |
| 2022-11-14 | FWJ0183-01 | ND |
| 2022-11-15 | FWJ0189-01 | ND |
| 2022-11-15 | FWJ0173-01 | ND |
| 2022-12-14 | 810-47844-1 | ND |
| 2023-02-06 | FXB0073-01 | ND |
| 2023-02-07 | FXB0069-01 | ND |
| 2023-02-07 | FXB0060-01 | ND |
| 2023-02-09 | FXB0076-01 | ND |
| 2023-02-15 | FXB0432-01 | ND |
| 2023-02-15 | FXB0430-01 | ND |
| 2023-02-15 | FXB00446-01 | ND |
| 2023-02-16 | FXB0071-01 | ND |
| 2023-04-04 | FXC0540 | ND |
| 2023-04-04 | FXC0511 | ND |
| 2023-04-05 | FXC0556 | ND |
| 2023-04-05 | FXC0562 | ND |
| 2023-04-05 | FXC0551 | ND |
| 2023-04-05 | FXC0547 | ND |
| 2023-04-06 | FXC0505 | ND |
| 2023-05-01 | FXD0496 | ND |
| 2023-07-31 | FXF0578 | ND |
| 2023-07-31 | FXF0567 | ND |
| 2023-08-02 | FXF0582 | ND |
| 2023-08-02 | FXF0571 | ND |
| 2023-11-14 | 68354201 | ND |
| 2023-11-14 | 68354301 | ND |
| 2023-11-14 | 68354401 | ND |