Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Conyngham 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND50ND
2021ND30ND
2022ND30ND
2023ND50ND

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
2018-04-177048808001ND
2018-04-177048808002ND
2018-04-177048808003ND
2019-03-121903-156-2ND
2019-03-1219030-156-1ND
2019-03-121903-156-1ND
2020-03-0221862228.00ND
2020-03-0221862208.00ND
2020-03-0221862188.00ND
2020-03-0221862168.00ND
2020-03-0221862148.00ND
2021-06-0124454888.00ND
2021-06-0124454868.00ND
2021-06-0124454908.00ND
2022-04-0426478815.00ND
2022-04-0426478835.00ND
2022-04-0426478855.00ND
2023-03-0628536373.00ND
2023-03-0628536393.00ND
2023-03-0628536413.00ND
2023-12-1230259323.00ND
2023-12-1230259303.00ND