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EWG's Tap Water Database — 2021 UPDATE

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p-Dichlorobenzene

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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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 6 ppb

The EWG 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.

EPA Maximum Contaminant
Level (MCL) 75 ppb

The legal limit for p-dichlorobenzene, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1980s. This limit may not fully protect against the risk of cancer due to p-dichlorobenzene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-263001197ND
2014-06-243054271ND
2014-09-3014100278ND
2014-12-2914121866ND
2015-03-18ND
2015-06-09ND
2015-09-24ND
2015-12-09ND
2016-03-2216031833ND
2016-06-1637729_16-19672ND
2016-09-2737729_16-34173ND
2016-12-1337729_16-43458ND
2017-03-2937729_17-10855ND
2017-06-1437729_17-20243ND
2017-09-2537729_17-35650ND
2017-12-1937729_17-48335ND
2018-03-2237729_18-12300 ND
2018-05-2237729_18-20490 ND
2018-09-2737729_18-40770 ND
2018-12-1937729_18-53145 ND
2019-03-2035456110001_1271ND
2019-06-1335476102001_1271ND
2019-08-2635493638001_1271ND
2019-12-1035518317001_1271ND