1,2,3-Trichloropropane
Dunnigan Water Works
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.
8
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 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2016-09-13 | 5810-001-0830 | ND |
| 2016-09-13 | 5810-012-0900 | ND |
| 2018-03-13 | 4790-001-1050 | ND |
| 2018-03-13 | 4790-012-1035 | ND |
| 2018-05-01 | 9590-001-1118 | ND |
| 2018-05-01 | 9590-012-1015 | ND |
| 2018-11-06 | 1233-001-1030 | ND |
| 2018-11-06 | 1233-012-1045 | ND |