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EWG's Tap Water Database — 2021 UPDATE

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1,2,4-Trichlorobenzene

Wausau Waterworks

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

MORE ABOUT THIS CONTAMINANT

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND60ND
2018ND20ND
2019ND20ND

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
2014-03-13774544ND
2014-03-13774545ND
2014-05-16789472ND
2014-05-16789473ND
2014-09-11817483ND
2014-09-11817478ND
2014-10-10824992ND
2014-10-10824991ND
2015-02-16843974ND
2015-02-19844440ND
2015-06-04863527ND
2015-06-04863528ND
2015-08-27879231ND
2015-08-27879234ND
2015-10-29891606ND
2015-10-29891607ND
2016-02-18905910ND
2016-02-18905909ND
2016-05-12920726ND
2016-05-12920725ND
2016-08-18940086ND
2016-08-18940089ND
2016-11-17959642ND
2016-11-17959643ND
2017-02-16973998ND
2017-02-16973999ND
2017-05-18991083ND
2017-05-18991084ND
2017-09-051015845ND
2017-09-061015848ND
2018-09-111079573ND
2018-09-121079578ND
2019-09-261151343ND
2019-09-261151345ND