o-Dichlorobenzene
Canyon Municipal Water System
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 | 5 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 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 |
---|---|---|
2014-02-25 | Q1406007010 | ND |
2014-02-25 | Q1406007008 | ND |
2014-02-25 | Q1406007007 | ND |
2014-02-25 | Q1406007004 | ND |
2014-08-20 | Q1437974009 | ND |
2015-09-16 | Q1536074002 | ND |
2015-12-02 | Q1547887009 | ND |
2015-12-02 | Q1547887007 | ND |
2016-06-09 | Q1623378004 | ND |
2016-06-09 | Q1623378002 | ND |
2016-11-14 | Q1649341001 | ND |
2017-02-09 | Q1705995015 | ND |
2017-02-09 | Q1705995011 | ND |
2017-05-04 | Q1718620007 | ND |
2017-11-14 | Q1758291001 | ND |
2018-02-15 | Q1806639007 | ND |
2018-02-15 | Q1806639011 | ND |
2018-05-17 | Q1820297001 | ND |
2019-02-21 | Q1907705002 | ND |
2019-05-16 | Q1926296001 | ND |
2019-05-16 | Q1926296003 | ND |