1,2,3-Trichloropropane
Castaic Lake Water Agency
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.
28
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 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 12 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-07-30 | 9588-006-0930 | ND |
| 2014-07-30 | 9588-005-0830 | ND |
| 2014-11-21 | 9588-004-1155 | ND |
| 2015-07-23 | 9590-004-0750 | ND |
| 2015-07-23 | 9590-006-0940 | ND |
| 2015-07-23 | 9590-005-0840 | ND |
| 2016-07-20 | 9590-005-1115 | ND |
| 2016-07-20 | 9590-006-1215 | ND |
| 2016-07-20 | 9590-004-1035 | ND |
| 2017-07-26 | 9590-006-1405 | ND |
| 2017-07-26 | 9590-004-1140 | ND |
| 2017-07-26 | 9590-005-1300 | ND |
| 2017-11-15 | 9590-005-1115 | ND |
| 2018-02-15 | 5867-004-0915 | ND |
| 2018-02-15 | 5867-003-0835 | ND |
| 2018-02-15 | 5867-005-1400 | ND |
| 2018-04-09 | 9590-003-1450 | ND |
| 2018-04-09 | 9590-004-1035 | ND |
| 2018-04-26 | 9590-005-1005 | ND |
| 2018-07-12 | 5867-005-1050 | ND |
| 2018-07-12 | 5867-003-1445 | ND |
| 2018-07-12 | 5867-004-1040 | ND |
| 2018-10-08 | 9590-005-1110 | ND |
| 2018-10-08 | 9590-004-1055 | ND |
| 2018-10-11 | 9590-004-1010 | ND |
| 2019-11-07 | 9590-005-1150 | ND |
| 2019-11-07 | 9590-004-1140 | ND |
| 2019-11-07 | 9590-003-0900 | ND |