Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Reading Area Water Authority

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

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
2018-01-028000187-01ND
2019-01-299000973-01ND
2019-08-289029432-01ND
2020-01-1421541481.00ND
2020-07-2022651055.00ND
2021-01-1223752874.00ND
2021-07-0624872811.00ND
2022-01-0425805871.00ND
2022-07-1927082444.00ND
2023-01-0328038884.00ND
2023-03-2428563467.00ND
2023-04-1328748230.00ND