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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

City of Scottsdale

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

 

75

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND100ND
2013ND120ND
2014ND160ND
2015ND100ND
2016ND100ND
2017ND170ND

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
2012-03-13AB29780ND
2012-03-22AB29992ND
2012-03-22AB29991ND
2012-04-10AB30425VND
2012-05-31AB31398VND
2012-06-14AB31789ND
2012-07-31AB32870VND
2012-09-132091617-01ND
2012-10-30AB35234ND
2012-12-12PVL1122-01ND
2013-02-27AB37658VND
2013-03-06PWC0477-01ND
2013-03-12AB37901VND
2013-05-293060213-01ND
2013-06-043060563-01ND
2013-06-063060562-02ND
2013-06-103060814-01ND
2013-06-20AB39776VND
2013-08-01AB41340VND
2013-09-17AB42192VND
2013-11-14550-14761-1ND
2013-12-193121743-01ND
2014-02-05AB45662ND
2014-02-05AB45661ND
2014-02-05AB45660ND
2014-02-05AB45659ND
2014-02-12AB45865ND
2014-02-13AB45913ND
2014-03-184031529-01VND
2014-03-194031630-01VND
2014-06-03AB48513VND
2014-06-12AB48763VND
2014-08-05AB49916ND
2014-08-064080551-01VND
2014-08-07AB49988ND
2014-08-27AB50551ND
2014-11-10AB52409VND
2014-11-18AB52684VND
2015-01-265012122-01VND
2015-03-04AB55258VND
2015-03-04AB55247ND
2015-05-19AB57090VND
2015-06-15AB57584VND
2015-07-22AB58586ND
2015-07-28AB58723ND
2015-09-23AB60333ND
2015-11-11AB61680ND
2015-12-07AB62200ND
2016-01-12AB62917ND
2016-03-07AB64247ND
2016-03-07AB64246ND
2016-06-09550-65006-1ND
2016-06-09550-65005-1ND
2016-08-22550-68726-1VND
2016-08-25550-68729-1VND
2016-08-31AB68676VND
2016-12-06AB71090ND
2016-12-27550-74974-1ND
2017-01-23AB72209ND
2017-01-31AB72398ND
2017-01-31AB72396ND
2017-03-13AB73529ND
2017-04-11AB74281VOCND
2017-04-18AB74456VOCND
2017-05-03AB74954VOCND
2017-05-03AB74952VOCND
2017-05-11AB75252VOCND
2017-05-25AB75560VOCND
2017-06-29AB76530VOCND
2017-06-29AB76529VOCND
2017-07-10AB76770VOCND
2017-07-10AB76769VOCND
2017-08-09AB77831ND
2017-10-10550-91495-1ND
2017-11-01550-92599-1ND