Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Concan Water Supply Corporation

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-25AE10558ND
2018-04-16AE22551ND
2018-08-09AE36398ND
2018-12-13AE48838ND
2019-02-28AE56584ND
2019-02-28AE56588ND
2019-02-28AE56592ND
2019-08-26AE80657ND
2020-08-12AF23217ND
2020-08-12AF23219ND
2020-08-12AF23221ND
2020-08-12AF23223ND
2021-05-19AF54642ND
2021-05-19AF54644ND
2021-09-22AF70823ND
2021-09-22AF70825ND
2022-03-08AF88082ND
2022-08-16AG09478ND
2022-08-16AG09480ND
2022-08-16AG09482ND
2023-08-24AG54024ND
2023-11-06AG62379ND
2023-11-06AG62381ND
2023-11-06AG62383ND