1,2,3-Trichloropropane
Marygold Mutual Water Company
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.
15
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 | 4 | 0 | ND |
| 2019 | ND | 11 | 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 |
|---|---|---|
| 2018-03-28 | 3761-006-1150 | ND |
| 2018-03-28 | 3761-007-1150 | ND |
| 2018-09-12 | 3761-007-1040 | ND |
| 2018-09-26 | 3761-006-1016 | ND |
| 2019-01-16 | 3761-007-0951 | ND |
| 2019-01-30 | 3761-006-1003 | ND |
| 2019-04-17 | 3761-007-1004 | ND |
| 2019-04-24 | 3761-006-1007 | ND |
| 2019-05-15 | 3761-006-1054 | ND |
| 2019-06-12 | 3761-007-1130 | ND |
| 2019-07-17 | 3761-006-1046 | ND |
| 2019-07-24 | 3761-007-1101 | ND |
| 2019-10-09 | 3761-006-1027 | ND |
| 2019-10-16 | 3761-007-1030 | ND |
| 2019-12-11 | 3761-006-0921 | ND |