o-Dichlorobenzene
Water District 1 of Johnson County
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-05-07 | MAY2014-OC-TP1 | ND |
2014-05-07 | MAY2014-OC-TP2 | ND |
2014-05-07 | MAY2014-OC-TP3 | ND |
2016-05-17 | MAY2016--TP2 | ND |
2016-05-17 | MAY2016--TP3 | ND |
2016-06-20 | JUN2016--TP1 | ND |
2017-05-16 | MAY2017--TP2 | ND |
2017-05-16 | MAY2017--TP3 | ND |
2017-05-17 | MAY2018--TP1 524 | ND |
2017-07-12 | JUL2017--TP1 524 | ND |
2018-05-01 | MAY2018--TP2 VOC | ND |
2018-05-01 | MAY2018-TP3-VOC | ND |