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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Penn State Univ.

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

 

167

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND340ND
2013ND280ND
2014ND140ND
2015ND350ND
2016ND270ND
2017ND290ND

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
2012-01-112A11054ND
2012-01-112A11055ND
2012-01-112A11054ND
2012-02-162B16056ND
2012-02-162B16062ND
2012-02-162B16056ND
2012-03-152C15113ND
2012-03-152C15114ND
2012-03-152C15113ND
2012-04-102D10034ND
2012-04-102D10032ND
2012-04-102D10034ND
2012-05-162E16047ND
2012-05-162E16052ND
2012-06-132F13082ND
2012-06-132F13085ND
2012-07-182G18164ND
2012-07-182G18165ND
2012-07-182G18164ND
2012-08-142H14056ND
2012-08-142H14056ND
2012-08-142H14056ND
2012-09-132I14008ND
2012-09-132I14008ND
2012-09-132I14008ND
2012-10-102J11011ND
2012-10-102J11013ND
2012-10-102J11011ND
2012-11-142K14103ND
2012-11-142K14103ND
2012-11-142K14103ND
2012-12-122L12132ND
2012-12-122L12141ND
2012-12-122L12132ND
2013-01-163A16080ND
2013-01-163A16077ND
2013-02-133B13070ND
2013-02-133B13069ND
2013-03-143C14062ND
2013-03-143C14067ND
2013-04-163D16078ND
2013-04-163D16079ND
2013-05-143E14110ND
2013-05-143E14111ND
2013-06-193F19020ND
2013-06-193F19038ND
2013-06-283F28065ND
2013-07-163G16031ND
2013-07-163G16034ND
2013-08-143H14065ND
2013-08-143H14088ND
2013-09-183I18061ND
2013-09-183I18062ND
2013-09-183I18061ND
2013-10-163J16032ND
2013-10-163J16040ND
2013-10-163J16032ND
2013-11-193K19048-06ND
2013-11-193K19040-06ND
2013-12-123L12046-07ND
2013-12-123L12104-06ND
2013-12-123L12046-06ND
2014-01-234A23025-07ND
2014-01-234A23033-06ND
2014-01-234A23025-06ND
2014-02-204B20042-07ND
2014-02-204B20041-07ND
2014-02-204B20042-06ND
2014-03-114C11016-07ND
2014-03-114C11027-07ND
2014-03-114C11016-06ND
2014-04-094D09031-01ND
2014-04-094D09036-01ND
2014-04-094D09037-01ND
2014-06-114F11107-05ND
2014-06-114F11107-04ND
2015-01-2113561219ND
2015-01-2113561261ND
2015-01-2113561220ND
2015-02-1713561303ND
2015-02-1713561282ND
2015-02-1713561304ND
2015-03-1713561345ND
2015-03-1713561346ND
2015-03-1813561387ND
2015-04-2813561409ND
2015-04-2813561408ND
2015-05-2013561471ND
2015-05-2013561450ND
2015-05-2013561472ND
2015-06-1713561534ND
2015-06-1713561513ND
2015-06-1713561535ND
2015-07-1413561576ND
2015-07-1413561618ND
2015-07-1413561577ND
2015-08-1213561661ND
2015-08-1213561639ND
2015-08-1213561660ND
2015-09-1613561723ND
2015-09-1613561702ND
2015-09-1613561724ND
2015-10-1513561765ND
2015-10-1513561807ND
2015-10-1513561766ND
2015-11-1113561173ND
2015-11-1113561149ND
2015-11-1113561197ND
2015-12-1013681456ND
2015-12-1013681502ND
2015-12-1013681457ND
2016-01-2613801541ND
2016-01-2613801493ND
2016-01-2613801517ND
2016-02-2313917081ND
2016-02-2313917055ND
2016-02-2313917082ND
2016-03-1614032215ND
2016-03-1614032192ND
2016-03-1614032169ND
2016-04-2014163567ND
2016-04-2014163541ND
2016-04-2014163568ND
2016-05-1814312875ND
2016-05-1814312921ND
2016-05-1814312876ND
2016-06-2114471198ND
2016-06-2114471246ND
2016-06-2114471199ND
2016-07-1914636440ND
2016-07-1914636413ND
2016-07-1914636441ND
2016-08-2314804520ND
2016-08-2314804470ND
2016-08-2314804495ND
2016-09-2814975856ND
2016-09-2814975904ND
2016-09-2814975857ND
2017-01-1715573212ND
2017-01-1715573213ND
2017-01-1815573185ND
2017-02-2315709625ND
2017-02-2315709626ND
2017-03-1315850524ND
2017-03-2315850690ND
2017-03-2815850818ND
2017-04-1816001557ND
2017-04-1816001558ND
2017-06-2816321133ND
2017-07-1216473278ND
2017-07-1216473301ND
2017-07-1216473302ND
2017-07-1216473303ND
2017-07-1216473304ND
2017-07-1216473305ND
2017-07-1216473306ND
2017-08-0316629354ND
2017-09-2016787325ND
2017-10-3116937415ND
2017-11-2617077218ND
2017-11-2617077219ND
2017-11-2617077220ND
2017-11-2617077221ND
2017-11-2617077222ND
2017-11-2617077223ND
2017-11-3017077355ND
2017-12-1917217460ND