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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Epcor Water - Sun City

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND60ND
2014ND20ND
2015ND80ND
2016ND20ND
2017N/A00N/A

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
2012-02-132020900-01ND
2012-02-132020899-01ND
2012-02-202021448-02ND
2012-02-202021443-03ND
2012-02-202021443-02ND
2012-02-202021443-01ND
2012-03-092030704-01ND
2012-05-312052197-01ND
2012-07-242071905-01ND
2012-09-112090753-02ND
2012-09-112090753-01ND
2012-11-062110426-01ND
2013-01-153011169-01VND
2013-03-223031586-01VND
2013-06-143061190-01ND
2013-09-043090213-01VND
2013-09-123091135-01VND
2013-12-163121300-01ND
2014-05-214051788-01ND
2014-07-294072458-01ND
2015-01-155011290-01VND
2015-02-055020637-01VND
2015-02-055020636-01VND
2015-03-055030501-01VND
2015-04-275042341-03ND
2015-06-025060272-01VND
2015-08-075080692-01VND
2015-10-095101233-01ND
2016-05-026050045-01ND
2016-05-126051199-03ND