Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Connecticut Water Company - Amston Lake Division

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
2018ND40ND
2019ND30ND
2020ND10ND
2021ND10ND
2022ND20ND
2023ND10ND

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
2018-01-19BZ75818VOC1ND
2018-04-09CA16127VOC1ND
2018-07-23CA95518ND
2018-11-15VOC1 200512952ND
2019-02-19VOC1 200522111ND
2019-02-19VOC1 200522112ND
2019-04-08VOC1 200527488ND
2020-09-21VOC1 200590982ND
2021-01-06VOC1 200602955ND
2022-09-23CM40531ND
2022-09-23CM40528ND
2023-10-24CP33072ND