Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

West View Water Authority

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-01-0201180119ND
2019-01-149011049-01ND
2020-01-0621585863.00ND
2020-02-1821755480.00ND
2020-05-1222313361.00ND
2020-08-0422898207.00ND
2020-11-1623448549.00ND
2021-02-0223973079.00ND
2021-02-0223973100.00ND
2022-01-2526032251.00ND
2022-01-2626032230.00ND
2023-01-2428261358.00ND
2023-01-2428261359.00ND