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EWG's Tap Water Database — 2021 UPDATE

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o-Dichlorobenzene

California Domestic Water Company

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

 

138

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND210ND
2015ND210ND
2016ND230ND
2017ND260ND
2018ND240ND
2019ND230ND

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
2014-03-219588-014-0910ND
2014-04-073761-004-0854ND
2014-04-073761-005-0939ND
2014-04-073761-006-0903ND
2014-04-073761-007-0921ND
2014-04-073761-008-0815ND
2014-04-073761-009-0735ND
2014-04-073761-014-1025ND
2014-04-099588-004-1120ND
2014-04-099588-005-1115ND
2014-04-099588-006-1140ND
2014-04-099588-007-1130ND
2014-04-099588-008-1150ND
2014-04-093761-020-0721ND
2014-10-063761-004-0855ND
2014-10-063761-005-1024ND
2014-10-063761-006-0943ND
2014-10-063761-007-1000ND
2014-10-063761-008-0837ND
2014-10-063761-009-0750ND
2014-12-153761-014-0945ND
2015-01-079588-014-0905ND
2015-04-063761-004-0850ND
2015-04-063761-005-0555ND
2015-04-063761-006-0743ND
2015-04-063761-007-0757ND
2015-04-063761-008-0730ND
2015-04-063761-009-0525ND
2015-04-063761-014-0700ND
2015-04-149588-004-0855ND
2015-04-149588-006-0945ND
2015-04-149588-007-0955ND
2015-04-149588-008-0935ND
2015-04-159588-005-0915ND
2015-10-053761-004-0809ND
2015-10-053761-005-0943ND
2015-10-053761-006-0840ND
2015-10-053761-007-0921ND
2015-10-053761-008-0902ND
2015-10-053761-009-0725ND
2015-10-053761-014-1029ND
2015-11-199588-020-1055ND
2016-04-043761-004-0915ND
2016-04-043761-005-1030ND
2016-04-043761-006-1015ND
2016-04-043761-007-0958ND
2016-04-043761-008-0852ND
2016-04-043761-009-0745ND
2016-04-043761-014-1140ND
2016-04-119588-004-0935ND
2016-04-119588-005-0850ND
2016-04-119588-006-0910ND
2016-04-119588-007-0915ND
2016-04-119588-008-0950ND
2016-04-119588-014-0845ND
2016-07-069588-020-0910ND
2016-10-033761-004-0829ND
2016-10-033761-005-0948ND
2016-10-033761-006-0903ND
2016-10-033761-007-0924ND
2016-10-033761-008-0813ND
2016-10-033761-009-0729ND
2016-10-033761-014-1107ND
2016-10-033761-020-1004ND
2016-10-149588-020-0925ND
2017-01-109588-020-0910ND
2017-04-033761-009-0748ND
2017-04-059588-004-0920ND
2017-04-059588-005-0905ND
2017-04-059588-006-0930ND
2017-04-059588-007-0940ND
2017-04-059588-008-0955ND
2017-04-059588-014-0900ND
2017-04-059588-020-0910ND
2017-04-193761-004-0910ND
2017-04-193761-005-0837ND
2017-04-193761-006-0819ND
2017-04-193761-007-0809ND
2017-04-193761-008-0957ND
2017-04-193761-009-0935ND
2017-04-193761-014-0857ND
2017-04-193761-020-0850ND
2017-09-263761-009-0930ND
2017-10-023761-004-0837ND
2017-10-023761-005-0919ND
2017-10-023761-006-1003ND
2017-10-023761-007-0940ND
2017-10-023761-008-0815ND
2017-10-023761-009-0729ND
2017-10-023761-014-1115ND
2017-10-023761-020-1020ND
2018-04-023761-004-0900ND
2018-04-023761-007-1018ND
2018-04-023761-008-0931ND
2018-04-023761-009-0757ND
2018-04-109588-004-0850ND
2018-04-109588-005-0900ND
2018-04-109588-006-0915ND
2018-04-109588-007-0920ND
2018-04-109588-008-0930ND
2018-04-109588-014-0945ND
2018-04-109588-020-0905ND
2018-04-233761-005-1022ND
2018-04-233761-006-1002ND
2018-04-233761-007-0953ND
2018-04-233761-014-1042ND
2018-04-233761-020-1013ND
2018-10-013761-005-1029ND
2018-10-013761-006-0958ND
2018-10-013761-007-0940ND
2018-10-013761-008-0822ND
2018-10-013761-009-0740ND
2018-10-013761-014-1127ND
2018-10-013761-020-1015ND
2018-10-043761-004-0815ND
2019-04-013761-005-1131ND
2019-04-013761-006-0956ND
2019-04-013761-007-0941ND
2019-04-013761-008-0840ND
2019-04-013761-009-0814ND
2019-04-013761-014-1125ND
2019-04-013761-020-1115ND
2019-04-039588-005-0850ND
2019-04-039588-006-0915ND
2019-04-039588-007-0910ND
2019-04-039588-008-0925ND
2019-04-039588-014-0905ND
2019-04-039588-020-0900ND
2019-04-083761-004-0920ND
2019-06-069588-004-1100ND
2019-10-073761-004-0919ND
2019-10-073761-006-1118ND
2019-10-073761-007-1130ND
2019-10-073761-008-0843ND
2019-10-073761-009-0800ND
2019-10-073761-014-0958ND
2019-10-253761-005-0717ND
2019-10-253761-020-0726ND