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EWG's Tap Water Database — 2019 UPDATE

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o-Dichlorobenzene

San Fernando Water Department

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND30ND
2014ND30ND
2015ND30ND
2016ND30ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 600 ppb

The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 600 ppb

The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-189590-004-0920ND
2012-01-189590-003-1000ND
2012-01-189590-002-1035ND
2012-09-109590-004-0910ND
2013-01-099590-004-0830ND
2013-01-099590-003-0915ND
2013-01-099590-002-0940ND
2014-01-229590-004-0840ND
2014-01-229590-003-0950ND
2014-01-229590-002-0905ND
2015-01-219590-002-0820ND
2015-01-219590-003-1015ND
2015-01-219590-004-0905ND
2016-02-179590-002-0920ND
2016-02-179590-004-0900ND
2016-04-139590-004-0820ND
2017-01-259590-004-0800ND
2017-01-259590-003-0855ND
2017-01-259590-002-0715ND
2017-04-059590-004-0920ND
2017-10-249590-004-0715ND