Know Your Environment. Protect Your Health.

o-Dichlorobenzene

North Hunt Special Utility District

NOTE: North Hunt Special Utility District purchases water from City of Commerce which is required to test for o-dichlorobenzene. Sample information shown below was taken by City of Commerce.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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

NOTE: North Hunt Special Utility District purchases water from City of Commerce which is required to test for o-dichlorobenzene. Sample information shown below was taken by City of Commerce.

Date Lab ID Result
2018-02-14Q1806236001ND
2018-06-04Q1822047005ND
2019-02-21Q1907743003ND
2019-02-21Q1907743004ND
2020-05-07Q2018051005ND
2020-08-04Q2030361001ND
2021-01-27Q2102032003ND
2021-01-27Q2102032005ND
2022-02-10Q2204939002ND
2022-10-26Q2232338003ND
2023-02-15Q2306243003ND
2023-02-15Q2306243005ND