1,2,3-Trichloropropane
Harris County Municipal Utility District 62
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.
10
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2020-09-21 | AF27937 | ND |
| 2020-09-21 | AF27953 | ND |
| 2020-11-05 | AF33468 | ND |
| 2020-11-05 | AF33518 | ND |
| 2021-03-09 | AF46040 | ND |
| 2021-03-09 | AF46122 | ND |
| 2021-04-20 | AF50722 | ND |
| 2021-04-20 | AF50750 | ND |
| 2022-06-08 | AG00020 | ND |
| 2023-06-12 | AG43991 | ND |