1,2,3-Trichloropropane
Golden State Water Company (GSWC) - Norwalk
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 |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | ND | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2013-10-18 | 201310180541AM | ND |
| 2013-10-18 | 201310180545AM | ND |
| 2013-10-18 | 201310180543AM | ND |
| 2013-10-18 | 201310180547AM | ND |
| 2014-01-17 | 201401180029AM | ND |
| 2014-01-17 | 201401180031AM | ND |
| 2014-04-17 | 201404180109AM | ND |
| 2014-04-17 | 201404180113AM | ND |
| 2014-04-17 | 201404180111AM | ND |
| 2014-04-17 | 201404180115AM | ND |
| 2014-06-04 | 201406050293AM | ND |
| 2014-07-17 | 201407170807AM | ND |
| 2017-07-17 | 9590-010-1038 | ND |
| 2018-02-12 | 4790-010-1230 | ND |
| 2018-05-03 | 9590-010-1257 | ND |