1,2,3-Trichloropropane
City of Hemphill
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.
8
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | 0.0250 ppb | 2 | 1 | ND - 0.0500 ppb |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-08-27 | Q1834366002 | ND |
| 2019-01-09 | Q1901414006 | 0.0500 ppb |
| 2019-07-01 | Q1941622001 | ND |
| 2020-08-06 | Q2031203001 | ND |
| 2021-08-23 | Q2122801001 | ND |
| 2022-01-24 | Q2202260003 | ND |
| 2022-08-01 | Q2221878002 | ND |
| 2023-07-25 | Q2329490001 | ND |