o-Dichlorobenzene

Aqua Pennsylvania Main 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.

MORE ABOUT THIS CONTAMINANT

182

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	N/A	0	N/A
2014	ND	33	ND
2015	ND	37	ND
2016	ND	35	ND
2017	ND	31	ND
2018	ND	21	ND
2019	ND	25	ND

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
2014-01-06	AE19666	ND
2014-01-08	AE19654	ND
2014-01-08	AE19653	ND
2014-01-09	AE19808	ND
2014-01-09	AE19814	ND
2014-02-05	AE22406	ND
2014-02-06	AE22395	ND
2014-02-06	AE22429	ND
2014-02-19	AE24127	ND
2014-02-19	AE24128	ND
2014-02-19	AE24152	ND
2014-02-26	AE23735	ND
2014-04-14	AE29526	ND
2014-04-15	AE29528	ND
2014-04-15	AE29507	ND
2014-04-23	AE29939	ND
2014-04-23	AE29914	ND
2014-04-23	AE29839	ND
2014-04-23	AE29840	ND
2014-04-23	AE29916	ND
2014-04-24	AE29947	ND
2014-04-24	AE29952	ND
2014-07-21	AE41025	ND
2014-07-23	AE41635	ND
2014-07-23	AE40895	ND
2014-07-24	AE40881	ND
2014-07-24	AE40886	ND
2014-10-22	AE53545	ND
2014-10-22	AE53537	ND
2014-10-23	AE53645	ND
2014-10-23	AE53646	ND
2014-12-11	AE59777	ND
2014-12-29	AE61209	ND
2015-01-05	12290032	ND
2015-01-07	12289937	ND
2015-01-07	12290043	ND
2015-01-07	12290074	ND
2015-01-07	12290088	ND
2015-01-08	12289969	ND
2015-01-08	12289979	ND
2015-01-22	12289916	ND
2015-01-23	12290012	ND
2015-02-03	12405393	ND
2015-02-03	12405519	ND
2015-02-04	12405351	ND
2015-02-04	12405372	ND
2015-02-04	12405414	ND
2015-02-04	12405435	ND
2015-02-04	12405456	ND
2015-02-04	12405477	ND
2015-02-04	12405498	ND
2015-04-06	12636852	ND
2015-04-22	12636873	ND
2015-04-23	12636810	ND
2015-04-29	12636831	ND
2015-06-03	12885159	ND
2015-06-04	12885138	ND
2015-07-20	13016803	ND
2015-07-22	13016569	ND
2015-07-22	13016590	ND
2015-07-23	13016527	ND
2015-07-23	13016548	ND
2015-08-05	13138441	ND
2015-09-30	13267556	ND
2015-10-21	13392017	ND
2015-10-22	13391954	ND
2015-10-22	13391975	ND
2015-10-22	13391996	ND
2015-11-02	13516755	ND
2015-11-23	13517510	ND
2016-01-06	13756194	ND
2016-01-06	13756215	ND
2016-01-06	13756299	ND
2016-01-11	13756152	ND
2016-01-20	13756131	ND
2016-01-20	13756173	ND
2016-01-21	13756068	ND
2016-01-21	13756089	ND
2016-01-21	13756110	ND
2016-01-28	13756236	ND
2016-01-28	13756257	ND
2016-01-28	13756278	ND
2016-02-05	13872907	ND
2016-02-10	13872928	ND
2016-03-03	13989321	ND
2016-03-15	13989363	ND
2016-03-17	13989342	ND
2016-03-18	13989384	ND
2016-04-11	14107123	ND
2016-04-11	14107144	ND
2016-04-11	14107165	ND
2016-04-11	14107207	ND
2016-04-11	14107228	ND
2016-04-14	14107186	ND
2016-07-29	14573684	ND
2016-08-02	14739163	ND
2016-08-04	14739109	ND
2016-08-04	14739130	ND
2016-08-04	14739157	ND
2016-10-24	15079382	ND
2016-10-24	15079403	ND
2016-10-24	15079424	ND
2016-11-07	15229338	ND
2016-11-21	15229359	ND
2016-12-01	15229903	ND
2017-01-03	15521166	ND
2017-01-16	15521208	ND
2017-01-18	15521103	ND
2017-01-18	15521124	ND
2017-01-18	15521187	ND
2017-01-24	15521145	ND
2017-03-28	15800255	ND
2017-03-29	15800276	ND
2017-04-03	15942273	ND
2017-04-12	15942315	ND
2017-04-17	15942210	ND
2017-04-17	15942231	ND
2017-04-19	15942252	ND
2017-04-19	15942294	ND
2017-06-19	16262175	ND
2017-06-20	16262196	ND
2017-06-20	16262217	ND
2017-06-21	16262238	ND
2017-08-07	16571173	ND
2017-09-15	16730765	ND
2017-09-18	16730786	ND
2017-09-18	16731936	ND
2017-09-19	16730723	ND
2017-09-19	16730744	ND
2017-09-19	16731852	ND
2017-09-20	16731873	ND
2017-09-20	16731894	ND
2017-09-20	16731915	ND
2017-09-27	16883576	ND
2017-12-20	17165312	ND
2017-12-21	17165349	ND
2018-01-17	AF74387	ND
2018-01-29	AF74797	ND
2018-01-29	AF74445	ND
2018-01-29	AF74447	ND
2018-01-29	AF74446	ND
2018-01-29	AF74448	ND
2018-01-31	AF74434	ND
2018-01-31	AF74435	ND
2018-01-31	AF74433	ND
2018-01-31	AF74431	ND
2018-01-31	AF74442	ND
2018-01-31	AF74441	ND
2018-02-22	AF74432	ND
2018-02-26	AF77278	ND
2018-02-27	AF77311	ND
2018-02-27	AF76921	ND
2018-02-28	AF77455	ND
2018-02-28	AF77456	ND
2018-02-28	AF77467	ND
2018-03-26	AF79915	ND
2018-11-16	AG01115	ND
2019-01-28	AG07059	ND
2019-01-29	AG07266	ND
2019-03-04	AG10320	ND
2019-03-04	AG10261	ND
2019-03-06	AG10532	ND
2019-03-06	AG10533	ND
2019-03-06	AG10552	ND
2019-03-11	AG10450	ND
2019-03-13	AG10482	ND
2019-03-19	AG10263	ND
2019-03-19	AG10265	ND
2019-03-19	AG10264	ND
2019-03-26	AG12576	ND
2019-04-08	AG13312	ND
2019-04-08	AG13600	ND
2019-04-10	AG12918	ND
2019-04-24	AG14544	ND
2019-04-24	AG14546	ND
2019-05-06	AG16471	ND
2019-05-07	AG16502	ND
2019-05-30	AG18878	ND
2019-06-19	AG20510	ND
2019-10-16	AG35352	ND
2019-10-18	AG36414	ND
2019-10-23	AG36111	ND