o-Dichlorobenzene
White Fence Farms Mutual Water Company
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-03-04 | 3761-009-1148 | ND |
2014-03-11 | 3761-004-1137 | ND |
2014-06-03 | 3761-009-1138 | ND |
2014-06-10 | 3761-004-1138 | ND |
2015-06-09 | 3761-009-1152 | ND |
2015-10-13 | 3761-004-1147 | ND |
2016-06-21 | 3761-009-1128 | ND |
2016-06-28 | 3761-004-1205 | ND |
2017-03-28 | 3761-004-1150 | ND |
2017-06-13 | 3761-009-1224 | ND |
2018-06-05 | 3761-009-1133 | ND |
2019-06-04 | 3761-009-1043 | ND |
2019-09-10 | 3761-004-1130 | ND |