1,2,3-Trichloropropane
City of Mountain View
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.
42
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 | 13 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 13 | 0 | ND |
| 2019 | ND | 16 | 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 |
|---|---|---|
| 2014-02-19 | 2978594 | ND |
| 2014-02-19 | 2978603 | ND |
| 2014-02-19 | 2978635 | ND |
| 2014-02-19 | 2978649 | ND |
| 2014-02-19 | 2978613 | ND |
| 2014-05-08 | 3025956 | ND |
| 2014-05-08 | 3025965 | ND |
| 2014-08-21 | 3091403 | ND |
| 2014-08-21 | 3091427 | ND |
| 2014-08-21 | 3091412 | ND |
| 2014-08-21 | 3091442 | ND |
| 2014-11-19 | 3143582 | ND |
| 2014-11-19 | 3143624 | ND |
| 2018-02-14 | 5867-016-1015 | ND |
| 2018-02-14 | 5867-011-1045 | ND |
| 2018-03-01 | 5867-029-0840 | ND |
| 2018-05-09 | 5867-011-1050 | ND |
| 2018-05-09 | 5867-029-1010 | ND |
| 2018-06-27 | 5867-016-1100 | ND |
| 2018-08-08 | 5867-016-0945 | ND |
| 2018-08-08 | 5867-029-0920 | ND |
| 2018-08-08 | 5867-011-1010 | ND |
| 2018-11-15 | 9590-011-1220 | ND |
| 2018-11-15 | 9590-029-1120 | ND |
| 2018-11-15 | 9590-016-1200 | ND |
| 2018-12-06 | 9590-014-1200 | ND |
| 2019-02-14 | 5867-011-1050 | ND |
| 2019-02-14 | 5867-014-1210 | ND |
| 2019-02-14 | 5867-029-1145 | ND |
| 2019-02-14 | 5867-016-1120 | ND |
| 2019-05-08 | 5867-029-1000 | ND |
| 2019-05-08 | 5867-014-1100 | ND |
| 2019-05-08 | 5867-016-0940 | ND |
| 2019-05-08 | 5867-011-1030 | ND |
| 2019-08-15 | 5867-029-1020 | ND |
| 2019-08-15 | 5867-016-1000 | ND |
| 2019-08-15 | 5867-014-1045 | ND |
| 2019-08-15 | 5867-011-0940 | ND |
| 2019-11-13 | 5867-014-1000 | ND |
| 2019-11-13 | 5867-011-0945 | ND |
| 2019-11-13 | 5867-029-0900 | ND |
| 2019-11-13 | 5867-016-0925 | ND |