Diazinon (Spectracide)
Golden State Water Company - Cowan Heights
Diazinon is a toxic pesticide. The EPA banned residential uses in 2004 and restricted uses on food crops due to safety concerns. Diazinon exposures damage the nervous system, especially during gestation and childhood.
8
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppb
The EWG Health Guideline of 1 ppb for diazinon was defined by the Environmental Protection Agency as a lifetime health-based limit for effects other than cancer. This health guideline protects against .
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-01-19 | 4417-001-0835 | ND |
| 2016-01-19 | 4417-004-0850 | ND |
| 2016-04-19 | 4417-001-0825 | ND |
| 2016-04-19 | 4417-004-0835 | ND |
| 2019-03-25 | 4417-001-0855 | ND |
| 2019-03-25 | 4417-004-0840 | ND |
| 2019-05-06 | 4417-001-1155 | ND |
| 2019-05-06 | 4417-004-1205 | ND |