1,2,3-Trichloropropane
Wilson Road Water Community
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.
10
Samples
0
Samples exceeding legal limit (MCL)
9
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 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.234 ppb | 5 | 5 | 0.150 ppb - 0.290 ppb |
| 2019 | 0.155 ppb | 4 | 4 | 0.130 ppb - 0.190 ppb |
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 |
|---|---|---|
| 2015-06-09 | 5806-001-0836 | ND |
| 2018-01-02 | 5806-001-0955 | 0.240 ppb |
| 2018-01-29 | 5806-001-1140 | 0.250 ppb |
| 2018-04-02 | 5806-001-1235 | 0.240 ppb |
| 2018-07-02 | 5806-001-1305 | 0.290 ppb |
| 2018-10-04 | 5806-001-1505 | 0.150 ppb |
| 2019-02-08 | 5806-001-1033 | 0.160 ppb |
| 2019-05-03 | 5806-001-1030 | 0.140 ppb |
| 2019-08-09 | 5806-001-1012 | 0.190 ppb |
| 2019-11-08 | 5806-001-1040 | 0.130 ppb |