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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Parker Little River Water System

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND10ND
2017ND10ND

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
2012-04-04AH56029ND
2012-07-17AH70104ND
2012-10-16AH81880ND
2013-03-12AH90579ND
2013-05-02AI00341ND
2013-08-06AI09276ND
2013-10-07AI19999ND
2014-01-09AI26220ND
2014-04-08AI37323ND
2014-07-09AI45160ND
2014-10-07AI56845ND
2015-01-23AI63333ND
2015-04-10AI74597ND
2015-07-10AI82489ND
2015-10-12AI92660ND
2016-02-10AJ06225ND
2017-05-11AJ55238ND