1,2,3-Trichloropropane
Laytonville County Water District
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.
12
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2018-01-09 | 5867-001-0725 | ND |
| 2018-01-09 | 5867-006-0710 | ND |
| 2018-04-03 | 5867-001-0725 | ND |
| 2018-04-03 | 5867-006-0705 | ND |
| 2018-07-05 | 5867-001-0730 | ND |
| 2018-07-05 | 5867-006-0708 | ND |
| 2018-10-09 | 5867-001-0745 | ND |
| 2018-10-09 | 5867-006-0730 | ND |
| 2019-01-08 | 5867-001-0807 | ND |
| 2019-01-08 | 5867-006-0735 | ND |
| 2019-04-02 | 5867-001-0725 | ND |
| 2019-04-02 | 5867-006-0707 | ND |