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EWG's Tap Water Database

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p-Dichlorobenzene

Clearwater Water System

p-Dichlorobenzene is a carcinogenic insecticide used in mothballs, and added to deodorant blocks made for trash cans and toilets. Long-term exposure can cause liver damage and kidney problems.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND30ND
2011ND30ND
2012ND30ND
2013ND30ND
2014ND10ND
2015ND50ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 6 ppb

The health guideline of 6 ppb for p-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 cancer.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 75 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)75.0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Result
2010-02-10ND
2010-02-10ND
2010-02-11ND
2011-02-16ND
2011-02-16ND
2011-02-16ND
2012-02-10ND
2012-02-10ND
2012-02-10ND
2013-02-01ND
2013-02-01ND
2013-02-01ND
2014-02-13ND
2015-01-13ND
2015-01-13ND
2015-05-07ND
2015-09-23ND
2015-11-18ND