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EWG's Tap Water Database — 2021 UPDATE

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o-Dichlorobenzene

Warrenville

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND10ND
2015ND10ND
2016ND30ND
2017N/A00N/A
2018ND40ND
2019ND20ND

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
2014-10-071410346-001AND
2015-10-061510365-001AND
2016-10-111610787-001AND
2016-10-111610787-002AND
2016-10-111610787-003AND
2018-06-2718F1191-01_02ND
2018-11-121811831-001AND
2018-11-121811831-002AND
2018-11-2818K0693-01_02ND
2019-11-051911219-001AND
2019-11-051911219-003AND