Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Aqua Pa Uwchlan

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND70ND
2020ND60ND
2021ND60ND
2022ND70ND
2023ND80ND

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
2018-01-29AF74449ND
2018-01-31AF73819ND
2018-02-26AF76934ND
2018-02-26AF76935ND
2018-03-13AF77984ND
2018-03-13AF77985ND
2019-03-06AG10268ND
2019-03-06AG10267ND
2019-03-06AG10266ND
2019-03-12AG10439ND
2019-03-12AG10441ND
2019-03-27AG11746ND
2019-11-07AG37520ND
2020-03-1121837114.00ND
2020-03-1121837198.00ND
2020-03-1121837156.00ND
2020-03-1121837135.00ND
2020-03-2621837177.00ND
2020-05-2122205095.00ND
2021-02-1023880019.00ND
2021-02-1023880061.00ND
2021-02-1023880040.00ND
2021-02-2323880103.00ND
2021-02-2323880082.00ND
2021-07-0924819011.00ND
2022-02-1826109267.00ND
2022-02-1826109355.00ND
2022-02-1826109288.00ND
2022-02-1826109309.00ND
2022-02-1826109330.00ND
2022-08-0327224139.00ND
2022-11-2927814194.00ND
2023-02-1728341078.00ND
2023-02-2728341099.00ND
2023-02-2728341120.00ND
2023-03-2128512449.00ND
2023-03-2128512428.00ND
2023-04-1728692195.00ND
2023-05-0128890015.00ND
2023-08-2929691265.00ND