o-Dichlorobenzene
Hope Water Light Comm.
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 | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 7 | 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 |
---|---|---|
2014-08-19 | 14233009001 | ND |
2014-10-29 | 14303002701 | ND |
2015-07-08 | 15190002101 | ND |
2015-10-08 | 15282005601 | ND |
2015-10-20 | 15296000401 | ND |
2016-07-05 | 16189010801 | ND |
2016-07-05 | 16189010901 | ND |
2016-07-05 | 16189011001 | ND |
2016-07-05 | 16189011101 | ND |
2016-07-05 | 16189011201 | ND |
2016-07-05 | 16189011301 | ND |
2016-10-05 | 16280008901 | ND |
2017-07-18 | 17200003901 | ND |
2017-10-03 | 17278002101 | ND |
2018-07-24 | 18207000701 | ND |
2018-10-03 | 18277006201 | ND |
2018-12-04 | 18340005501 | ND |
2019-08-05 | 19220002701 | ND |
2019-08-05 | 19220002901 | ND |
2019-08-05 | 19220002501 | ND |
2019-08-05 | 19220002601 | ND |
2019-08-05 | 19220002801 | ND |
2019-08-05 | 19220002301 | ND |
2019-10-29 | 19304000701 | ND |