o-Dichlorobenzene
Western Cass Water Supply Corporation
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 | 9 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-07-23 | Q1430392008 | ND |
2015-05-07 | Q1516885009 | ND |
2015-05-07 | Q1516885007 | ND |
2015-05-07 | Q1516885006 | ND |
2015-05-07 | Q1516885003 | ND |
2015-05-07 | Q1516885001 | ND |
2015-09-15 | Q1535745004 | ND |
2015-09-15 | Q1535745002 | ND |
2015-12-09 | Q1549101004 | ND |
2015-12-09 | Q1549101002 | ND |
2016-05-24 | Q1620338020 | ND |
2016-05-24 | Q1620338008 | ND |
2016-05-24 | Q1620338005 | ND |
2016-05-24 | Q1620338004 | ND |
2016-05-24 | Q1620338001 | ND |
2016-09-16 | Q1638625002 | ND |
2017-08-28 | Q1739001014 | ND |
2017-08-28 | Q1739001035 | ND |
2017-08-28 | Q1739001018 | ND |
2017-08-28 | Q1739001013 | ND |
2017-08-28 | Q1739001016 | ND |
2018-03-08 | Q1809687009 | ND |
2018-03-08 | Q1809687007 | ND |
2018-03-08 | Q1809687006 | ND |
2018-03-08 | Q1809687004 | ND |
2018-03-08 | Q1809687002 | ND |
2019-05-02 | Q1918236001 | ND |
2019-05-02 | Q1918236009 | ND |
2019-05-02 | Q1918236007 | ND |
2019-05-02 | Q1918236005 | ND |
2019-05-02 | Q1918236003 | ND |