1,2,3-Trichlorobenzene
Golden State Water Company (GSWC) - Claremont
NOTE: Golden State Water Company (GSWC) - Claremont purchases water from Three Valleys Municipal Water District which is required to test for 1,2,3-trichlorobenzene. Sample information shown below was taken by Three Valleys Municipal Water District.
1,2,3-Trichlorobenzene is a solvent and an intermediate for chemical manufacturing that was used historically as an insecticide for termite control. The National Toxicology Program lists it as a "reasonably anticipated" human carcinogen.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 27 | 0 | ND |
| 2023 | ND | 44 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Golden State Water Company (GSWC) - Claremont purchases water from Three Valleys Municipal Water District which is required to test for 1,2,3-trichlorobenzene. Sample information shown below was taken by Three Valleys Municipal Water District.
| Date | Lab ID | Result |
|---|