1,3-Dichloropropene
Littleton Water Department
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.
39
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 |
|---|---|---|---|---|
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 9 | 0 | ND |
| 2022 | ND | 9 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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
| Date | Result |
|---|---|
| 2018-04-11 | ND |
| 2018-05-01 | ND |
| 2018-05-01 | ND |
| 2018-05-01 | ND |
| 2018-05-07 | ND |
| 2018-05-07 | ND |
| 2018-06-19 | ND |
| 2019-05-01 | ND |
| 2019-05-01 | ND |
| 2019-05-01 | ND |
| 2019-05-01 | ND |
| 2019-05-30 | ND |
| 2019-06-05 | ND |
| 2019-06-17 | ND |
| 2020-05-14 | ND |
| 2020-05-14 | ND |
| 2020-05-26 | ND |
| 2020-05-26 | ND |
| 2020-05-26 | ND |
| 2020-05-26 | ND |
| 2020-06-16 | ND |
| 2021-04-05 | ND |
| 2021-04-05 | ND |
| 2021-04-05 | ND |
| 2021-04-05 | ND |
| 2021-04-05 | ND |
| 2021-04-12 | ND |
| 2021-06-09 | ND |
| 2021-07-26 | ND |
| 2021-10-21 | ND |
| 2022-02-16 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |
| 2022-05-18 | ND |