Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,2,4-Trichlorobenzene

Valencia Heights Water Company

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND30ND
2014ND30ND
2015ND20ND
2016ND30ND
2017ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2012-07-199588-012-0830ND
2012-07-199588-010-0815ND
2012-07-199588-005-0800ND
2013-07-099588-012-0755ND
2013-07-099588-010-0735ND
2013-07-099588-005-0745ND
2014-07-119588-012-1120ND
2014-07-119588-010-1105ND
2014-07-119588-005-1140ND
2015-07-169588-012-0730ND
2015-07-169588-010-0745ND
2016-04-069588-005-0810ND
2016-07-159588-012-0840ND
2016-07-159588-010-0830ND
2017-04-189588-005-0910ND
2017-07-129588-012-0840ND
2017-07-129588-010-0850ND