Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,2,4-Trichlorobenzene

Palmer Water District No.1

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND70ND
2013ND130ND
2014ND90ND
2015ND50ND
2016ND50ND
2017ND50ND

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 Result
2012-07-18ND
2012-07-18ND
2012-07-18ND
2012-07-18ND
2012-07-18ND
2012-12-11ND
2012-12-11ND
2013-03-11ND
2013-03-11ND
2013-05-13ND
2013-05-13ND
2013-07-09ND
2013-07-09ND
2013-09-17ND
2013-09-17ND
2013-09-17ND
2013-09-17ND
2013-09-17ND
2013-12-10ND
2013-12-10ND
2014-02-18ND
2014-02-18ND
2014-09-24ND
2014-09-24ND
2014-09-24ND
2014-09-24ND
2014-09-24ND
2014-11-24ND
2014-11-24ND
2015-08-10ND
2015-08-10ND
2015-08-10ND
2015-08-10ND
2015-08-10ND
2016-08-09ND
2016-08-09ND
2016-08-09ND
2016-08-09ND
2016-08-09ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND