o-Dichlorobenzene
Bastrop County Water Control and Improvement District 2
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-05-01 | AC52619 | ND |
2015-02-02 | AC78811 | ND |
2015-02-02 | AC78805 | ND |
2015-02-02 | AC78817 | ND |
2016-02-04 | AD22187 | ND |
2016-02-04 | AD22189 | ND |
2016-02-04 | AD22183 | ND |
2017-01-10 | AD63978 | ND |
2017-01-10 | AD63986 | ND |
2017-01-10 | AD63980 | ND |
2018-04-11 | AE22095 | ND |
2018-04-11 | AE22079 | ND |
2018-04-11 | AE22083 | ND |
2019-01-16 | AE50158 | ND |
2019-01-16 | AE50152 | ND |
2019-01-16 | AE50156 | ND |