1,2,3-Trichloropropane
Delft Colony Water
1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.
14
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 | 8 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.0007 ppb
The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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 | Lab ID | Result |
|---|---|---|
| 2018-01-26 | CA5403023_001_001-201801261055 | ND |
| 2018-01-26 | CA5403023_002_002-201801261045 | ND |
| 2018-04-04 | CA5403023_002_002-201804041252 | ND |
| 2018-04-04 | CA5403023_001_001-201804041223 | ND |
| 2018-07-09 | CA5403023_001_001-201807091100 | ND |
| 2018-07-09 | CA5403023_002_002-201807091026 | ND |
| 2018-10-01 | CA5403023_002_002-201810011055 | ND |
| 2018-10-01 | CA5403023_001_001-201810010948 | ND |
| 2019-10-11 | CA5403023_001_001-201910111440 | ND |
| 2019-10-11 | CA5403023_002_002-201910111435 | ND |
| 2020-10-12 | CA5403023_001_001-202010121045 | ND |
| 2020-10-12 | CA5403023_002_002-202010121135 | ND |
| 2023-10-31 | CA5403023_001_001-202310311420 | ND |
| 2023-11-15 | CA5403023_002_002-202311151400 | ND |