p-Dichlorobenzene

Niles

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	2	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	N/A	0	N/A
2018	ND	14	ND
2019	ND	10	ND

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
2014-08-05	LLF31177	ND
2014-08-05	LLF31179	ND
2018-03-05	LLH68935	ND
2018-03-05	LLH68936	ND
2018-06-25	LLH88919	ND
2018-06-25	LLH88920	ND
2018-06-25	LLH88921	ND
2018-08-06	LLH97147	ND
2018-08-06	LLH97146	ND
2018-08-06	LLH97145	ND
2018-09-13	LLI05494	ND
2018-09-17	LLI06128	ND
2018-09-17	LLI06127	ND
2018-09-17	LLI06126	ND
2018-11-27	LLI16872	ND
2018-11-27	LLI16871	ND
2019-02-11	LLI25176	ND
2019-02-11	LLI25174	ND
2019-02-11	LLI25175	ND
2019-06-19	LLI44899	ND
2019-06-19	LLI44898	ND
2019-09-17	LLI64906	ND
2019-09-17	LLI64908	ND
2019-09-17	LLI64907	ND
2019-12-10	LLI82612	ND
2019-12-10	LLI82613	ND