o-Dichlorobenzene
Manitowoc Waterworks
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 | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-05-07 | 784433 | ND |
2014-05-07 | 784449 | ND |
2014-05-29 | 793121 | ND |
2014-06-11 | 796115 | ND |
2015-02-11 | 843004 | ND |
2016-02-16 | 905609 | ND |
2016-02-16 | 905611 | ND |
2016-03-01 | 907356 | ND |
2016-03-17 | 910822 | ND |
2017-03-08 | 1703685-001A | ND |
2017-03-08 | 1703685-003A | ND |
2017-03-08 | 1703641-001A | ND |
2017-03-21 | 1703E78-001A | ND |
2017-05-09 | 987555 | ND |
2018-02-07 | 1040110 | ND |
2018-02-07 | 1040112 | ND |
2018-02-26 | 1042436 | ND |
2019-02-13 | 1104964 | ND |