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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Warminster Municipal Authority

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

 

83

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND170ND
2013ND170ND
2014ND180ND
2015ND130ND
2016ND150ND
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
2012-01-109946692006ND
2012-01-109946692012ND
2012-01-109946692003ND
2012-01-109946692011ND
2012-01-109946692005ND
2012-01-109946692010ND
2012-01-109946692013ND
2012-01-109946692009ND
2012-01-109946692007ND
2012-01-109946692008ND
2012-01-109946692001ND
2012-01-109946692015ND
2012-01-109946692002ND
2012-01-109946692004ND
2012-01-109946692014ND
2012-02-099951719001ND
2012-02-099951720001ND
2013-01-031006062011ND
2013-01-031006062017ND
2013-01-031006062013ND
2013-01-031006062012ND
2013-01-031006062016ND
2013-01-031006062014ND
2013-01-031006062006ND
2013-01-031006062015ND
2013-01-031006062010ND
2013-01-031006062005ND
2013-01-031006062004ND
2013-01-031006062001ND
2013-01-031006062007ND
2013-01-031006062003ND
2013-01-031006062008ND
2013-01-031006062002ND
2013-01-031006062009ND
2014-01-071066362015ND
2014-01-071066362003ND
2014-01-071066362004ND
2014-01-071066362016ND
2014-01-071066362005ND
2014-01-071066362014ND
2014-01-071066362009ND
2014-01-071066362010ND
2014-01-071066362017ND
2014-01-071066362011ND
2014-01-071066362001ND
2014-01-071066362012ND
2014-01-071066362007ND
2014-01-071066362013ND
2014-01-071066362006ND
2014-01-071066362002ND
2014-01-171068194001ND
2014-01-271069260001ND
2015-01-0512160920ND
2015-01-0812273833ND
2015-01-0812273812ND
2015-01-0812273686ND
2015-01-0812273791ND
2015-01-0812273770ND
2015-01-0812273749ND
2015-01-0812273728ND
2015-01-0812273707ND
2015-01-0812273665ND
2015-01-0812273644ND
2015-01-0812273623ND
2015-01-0812273602ND
2016-01-1113740441ND
2016-01-1113740462ND
2016-01-1113740546ND
2016-01-1113740483ND
2016-01-1113740399ND
2016-01-1113740504ND
2016-01-1113740525ND
2016-01-1113740378ND
2016-01-1113740567ND
2016-01-1113740294ND
2016-01-1113740315ND
2016-01-1113740420ND
2016-01-1113740336ND
2016-01-1113740357ND
2016-03-0313857831ND
2017-01-2515501826ND
2017-03-0915781150ND
2017-03-2916865873ND