1,2,3-Trichloropropane
Southwood Water System
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.
46
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 | 10 | 0 | ND |
| 2015 | ND | 10 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 11 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2014-08-11 | 201408120563AM | ND |
| 2014-08-11 | 201408120479AM | ND |
| 2014-08-11 | 201408120484AM | ND |
| 2014-08-12 | 201408130887AM | ND |
| 2014-08-12 | 201408130697AM | ND |
| 2014-08-12 | 201408130715AM | ND |
| 2014-08-13 | 201408140377AM | ND |
| 2014-08-13 | 201408140382AM | ND |
| 2014-08-20 | 201408210235AM | ND |
| 2014-11-01 | 201411040290AM | ND |
| 2015-02-12 | 201502130422AM | ND |
| 2015-02-16 | 201502170153AM | ND |
| 2015-02-16 | 201502170142AM | ND |
| 2015-02-16 | 201502170128AM | ND |
| 2015-02-23 | 201502240388AM | ND |
| 2015-02-23 | 201502240369AM | ND |
| 2015-02-23 | 201502240590AM | ND |
| 2015-02-25 | 201502260184AM | ND |
| 2015-03-16 | 201503170671AM | ND |
| 2015-03-16 | 201503170493AM | ND |
| 2018-03-14 | ND | |
| 2018-03-14 | ND | |
| 2018-05-04 | ND | |
| 2018-07-19 | ND | |
| 2019-06-26 | ND | |
| 2019-07-12 | ND | |
| 2019-07-12 | ND | |
| 2019-09-05 | ND | |
| 2019-10-15 | ND | |
| 2021-03-12 | 4166774 | ND |
| 2021-03-12 | 4164633 | ND |
| 2021-03-17 | 4205286 | ND |
| 2022-01-26 | 4240241 | ND |
| 2022-01-26 | 4240240 | ND |
| 2022-01-26 | 4240242 | ND |
| 2022-01-27 | 4240239 | ND |
| 2022-02-04 | 4240244 | ND |
| 2022-02-04 | 4240245 | ND |
| 2022-10-11 | 4465087 | ND |
| 2022-10-17 | 4370660 | ND |
| 2022-10-31 | 4465043 | ND |
| 2022-10-31 | 4464989 | ND |
| 2022-11-14 | 4382866 | ND |
| 2023-03-14 | 4437441 | ND |
| 2023-03-14 | 4437411 | ND |
| 2023-09-26 | 4532910 | ND |