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EWG's Tap Water Database — 2019 UPDATE

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o-Dichlorobenzene

Prescott Valley WD Upper

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013ND80ND
2014ND50ND
2015N/A00N/A
2016ND60ND
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
2012-01-31201202010049VND
2012-01-31201202010048VND
2012-01-31201202010047VND
2012-01-31201202010046VND
2012-01-31201202010044VND
2012-11-262111802-01VND
2013-02-14201302150332VND
2013-02-14201302150331VND
2013-02-14201302150330VND
2013-02-14201302150329VND
2013-02-14201302150328VND
2013-02-14201302150327VND
2013-02-14201302150326VND
2013-10-16201310170112VND
2014-01-15201401150464VND
2014-01-15201401150463VND
2014-01-15201401150462VND
2014-01-15201401150461VND
2014-01-15201401150459VND
2016-02-09201602100057VND
2016-02-09201602100056VND
2016-02-09201602100055VND
2016-02-10201602110030VND
2016-02-10201602110029VND
2016-02-10201602110028VND
2017-02-14201702150185VND
2017-02-14201702150190VND
2017-02-14201702150189VND
2017-02-14201702150188VND
2017-02-14201702150187VND