1,3-Dichloropropene
Del Dios Mutual Water Company
NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for 1,3-dichloropropene. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).
1,3-Dichloropropene is a volatile cancer-causing chemical primarily used as a nematocide to fumigate agricultural soils. It exists in two different forms: cis-1,3-dichloropropene and trans-1,3-dichloropropene.
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 | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.2 ppb
The EWG Health Guideline of 0.2 ppb for 1,3-dichloropropene 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 cancer.
ppb = parts per billion
All test results
NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for 1,3-dichloropropene. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).
| Date | Lab ID | Result |
|---|