Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

o-Dichlorobenzene

Town of Iota Water System

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
2012ND60ND
2013N/A00N/A
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017ND40ND

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
2012-06-25AD66847ND
2012-06-25AD66847ND
2012-07-09AD67364ND
2012-07-09AD67365ND
2012-07-09AD67365ND
2012-07-09AD67364ND
2015-08-0335200643003ND
2015-08-0335200643002ND
2015-08-0335200643001ND
2015-08-0335200643002ND
2015-08-0335200643003ND
2015-08-0335200643001ND
2017-02-0335293758006ND
2017-02-0335293758006ND
2017-03-0935300470006ND
2017-03-0935300470006ND