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EWG's Tap Water Database — 2019 UPDATE

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o-Dichlorobenzene

Cary

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-07-224073837-01ND
2014-07-224073837-02ND
2014-07-224073837-03ND
2014-07-224073837-04ND
2014-07-224073837-05ND
2014-07-224073837-06ND
2014-07-224073837-07ND
2014-07-224073837-08ND
2017-07-257081264-01ND
2017-07-257081264-02ND
2017-07-257081264-03ND
2017-07-257081264-04ND
2017-07-257081264-06ND
2017-07-257081264-07ND
2017-07-257081264-08ND
2017-08-307085545-01ND