o-Dichlorobenzene
Hudson Water Department
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 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 |
---|---|---|
2014-12-18 | 1412-01126-001 | ND |
2014-12-18 | 1412-01128-001 | ND |
2015-12-02 | 1512-00381-001 | ND |
2015-12-14 | 1512-01282-001 | ND |
2016-12-28 | 1612-02149-001 | ND |
2016-12-28 | 1612-02154-001 | ND |
2017-11-30 | 1712-00025-001 | ND |
2017-12-13 | 1712-01417-001 | ND |
2017-12-13 | 1712-01420-001 | ND |
2018-10-24 | 118102585.01 | ND |
2018-10-24 | 118102587.01 | ND |
2018-12-17 | 118121517.01 | ND |
2019-10-23 | 119102712.01 | ND |
2019-10-23 | 119102716.01 | ND |
2019-12-20 | 119121670.01 | ND |