1,2,3-Trichloropropane
San Juan Basin Authority
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.
39
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 | ND | 19 | 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 |
|---|---|---|
| 2018-02-28 | 9590-004-1207 | ND |
| 2018-02-28 | 9590-001-1128 | ND |
| 2018-02-28 | 9590-003-1155 | ND |
| 2018-02-28 | 9590-005-1222 | ND |
| 2018-02-28 | 9590-002-1141 | ND |
| 2018-08-13 | 9590-001-0835 | ND |
| 2018-08-13 | 9590-004-0925 | ND |
| 2018-08-13 | 9590-003-0905 | ND |
| 2018-08-13 | 9590-005-0958 | ND |
| 2018-08-13 | 9590-002-0849 | ND |
| 2018-08-20 | 5867-002-0917 | ND |
| 2018-08-20 | 5867-005-1020 | ND |
| 2018-08-20 | 5867-003-0934 | ND |
| 2018-08-20 | 5867-004-0955 | ND |
| 2018-08-20 | 5867-001-0857 | ND |
| 2018-12-07 | 9590-002-0936 | ND |
| 2018-12-07 | 9590-005-1135 | ND |
| 2018-12-07 | 9590-001-0850 | ND |
| 2018-12-07 | 9590-003-1010 | ND |
| 2018-12-07 | 9590-004-1055 | ND |
| 2019-03-30 | 5810-006-1100 | ND |
| 2019-03-30 | 5810-015-1100 | ND |
| 2019-06-25 | 4792-001-1105 | ND |
| 2019-06-25 | 4792-003-1155 | ND |
| 2019-06-25 | 4792-004-1130 | ND |
| 2019-06-25 | 4792-002-1141 | ND |
| 2019-06-25 | 4792-005-1355 | ND |
| 2019-09-27 | 4792-003-0820 | ND |
| 2019-09-27 | 4792-014-0855 | ND |
| 2019-09-27 | 4792-006-0920 | ND |
| 2019-09-27 | 4792-001-0830 | ND |
| 2019-09-27 | 4792-005-0920 | ND |
| 2019-09-27 | 4792-002-0810 | ND |
| 2019-09-27 | 4792-004-0800 | ND |
| 2019-12-23 | 4792-001-0935 | ND |
| 2019-12-23 | 4792-005-0955 | ND |
| 2019-12-23 | 4792-002-0905 | ND |
| 2019-12-23 | 4792-014-0810 | ND |
| 2019-12-23 | 4792-003-0920 | ND |