Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Otwell Water Corporation

NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Patoka Lake Regional Water.

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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

NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Patoka Lake Regional Water.

Date Lab ID Result
2018-08-08425304RV-1803ND
2019-08-27463440RV-1903ND
2020-06-094645714ND
2021-07-274966013ND
2022-08-091-810-33419-1_INND
2023-08-171-810-74525-1_INND