1,2,4-Trichlorobenzene
Fayette Water Supply Corporation West
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
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 | ND | 6 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 5 ppb
The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.
EPA Maximum Contaminant
Level (MCL): 70 ppb
The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-06 | AE16964 | ND |
| 2018-03-06 | AE16972 | ND |
| 2018-03-06 | AE16974 | ND |
| 2018-03-06 | AE16960 | ND |
| 2018-04-24 | AE23735 | ND |
| 2018-04-24 | AE23739 | ND |
| 2019-03-19 | AE59043 | ND |
| 2019-03-19 | AE59045 | ND |
| 2019-03-19 | AE59047 | ND |
| 2019-03-19 | AE59049 | ND |
| 2019-03-19 | AE59053 | ND |
| 2020-02-12 | AE98164 | ND |
| 2020-02-12 | AE98168 | ND |
| 2020-02-12 | AE98170 | ND |
| 2020-04-13 | AF06401 | ND |
| 2020-07-08 | AF18616 | ND |
| 2021-03-08 | AF45674 | ND |
| 2021-03-08 | AF45678 | ND |
| 2021-04-28 | AF51530 | ND |
| 2021-04-28 | AF51532 | ND |
| 2021-04-28 | AF51534 | ND |
| 2022-02-14 | AF84596 | ND |
| 2022-05-31 | AF98824 | ND |
| 2022-05-31 | AF98826 | ND |
| 2022-10-12 | AG16849 | ND |
| 2022-10-12 | AG16863 | ND |
| 2023-03-09 | Q2309600001 | ND |
| 2023-03-09 | Q2309600003 | ND |
| 2023-03-09 | Q2309600005 | ND |
| 2023-04-04 | AG35371 | ND |
| 2023-04-04 | AG35379 | ND |