1,3-Dichloropropene
Cherry Valley/ Rochdale Water District
NOTE: Cherry Valley/ Rochdale Water District purchases water from Worcester Department of Public Works which is required to test for 1,3-dichloropropene. Sample information shown below was taken by Worcester Department of Public Works.
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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
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: Cherry Valley/ Rochdale Water District purchases water from Worcester Department of Public Works which is required to test for 1,3-dichloropropene. Sample information shown below was taken by Worcester Department of Public Works.
| Date | Result |
|---|---|
| 2015-05-28 | ND |
| 2016-05-24 | ND |
| 2016-06-22 | ND |
| 2016-07-04 | ND |
| 2017-02-21 | ND |
| 2017-05-10 | ND |