1,2,3-Trichloropropane
Watertown Waterworks
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.
21
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 | 9 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-04-15 | 780679-11175 | ND |
| 2014-04-15 | 780690-11175 | ND |
| 2014-04-15 | 780694-11175 | ND |
| 2014-05-05 | 783790 | ND |
| 2014-05-05 | 783787 | ND |
| 2014-05-05 | 783793 | ND |
| 2014-10-20 | 826627-12665 | ND |
| 2014-10-20 | 826623-12665 | ND |
| 2014-10-20 | 826619-12665 | ND |
| 2015-04-20 | 855197 | ND |
| 2016-05-02 | 918947 | ND |
| 2016-05-02 | 918949 | ND |
| 2016-05-02 | 918945 | ND |
| 2017-05-03 | 986659 | ND |
| 2017-05-03 | 986655 | ND |
| 2018-02-12 | 1040467 | ND |
| 2018-04-09 | 1049315 | ND |
| 2018-04-09 | 1049313 | ND |
| 2019-03-20 | 1110824 | ND |
| 2019-03-20 | 1110826 | ND |
| 2019-03-20 | 1110828 | ND |