1,2,3-Trichloropropane
Lake Arrowhead CSD
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.
20
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 | 20 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-02-21 | 3761-013-1117 | ND |
| 2018-02-21 | 3761-009-1050 | ND |
| 2018-02-21 | 3761-006-1109 | ND |
| 2018-02-21 | 3761-012-1100 | ND |
| 2018-02-28 | 3761-007-1115 | ND |
| 2018-05-16 | 3761-013-0846 | ND |
| 2018-05-16 | 3761-009-0906 | ND |
| 2018-05-16 | 3761-012-0857 | ND |
| 2018-05-23 | 3761-006-1025 | ND |
| 2018-05-23 | 3761-007-0930 | ND |
| 2018-08-15 | 3761-009-1025 | ND |
| 2018-08-15 | 3761-013-1043 | ND |
| 2018-08-15 | 3761-012-1015 | ND |
| 2018-08-15 | 3761-006-1037 | ND |
| 2018-08-22 | 3761-007-0940 | ND |
| 2018-11-21 | 3761-009-1016 | ND |
| 2018-11-21 | 3761-012-1008 | ND |
| 2018-11-21 | 3761-006-1001 | ND |
| 2018-11-21 | 3761-013-0949 | ND |
| 2018-12-10 | 3761-007-1045 | ND |