1,2,3-Trichloropropane
Montgomery County Municipal Utility District 99
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.
15
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 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2015-07-20 | AD00169 | ND |
| 2016-12-07 | AD60914 | ND |
| 2016-12-27 | AD62727 | ND |
| 2017-09-06 | AD94921 | ND |
| 2018-07-25 | AE34532 | ND |
| 2018-07-25 | AE34538 | ND |
| 2018-07-25 | AE34554 | ND |
| 2018-10-17 | AE43796 | ND |
| 2018-10-17 | AE43798 | ND |
| 2019-02-13 | AE54373 | ND |
| 2019-02-13 | AE54361 | ND |
| 2019-02-13 | AE54395 | ND |
| 2019-02-13 | AE54381 | ND |
| 2019-05-21 | AE67396 | ND |
| 2019-05-21 | AE67442 | ND |