o-Dichlorobenzene
Aqua 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 | 3 | 0 | ND |
2015 | ND | 11 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 11 | 0 | ND |
2019 | ND | 8 | 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 |
---|---|---|
2014-02-05 | AC41501 | ND |
2014-02-05 | AC41499 | ND |
2014-08-13 | AC63409 | ND |
2015-02-09 | AC79748 | ND |
2015-02-09 | AC79752 | ND |
2015-02-09 | AC79742 | ND |
2015-02-09 | AC79744 | ND |
2015-02-09 | AC79750 | ND |
2015-02-09 | AC79746 | ND |
2015-02-10 | AC79981 | ND |
2015-02-10 | AC79973 | ND |
2015-02-10 | AC79985 | ND |
2015-02-10 | AC79983 | ND |
2015-02-10 | AC79977 | ND |
2016-01-26 | AD20134 | ND |
2016-01-26 | AD20116 | ND |
2016-01-26 | AD20118 | ND |
2016-01-26 | AD20130 | ND |
2016-01-26 | AD20138 | ND |
2016-01-26 | AD20122 | ND |
2016-01-26 | AD20120 | ND |
2016-01-26 | AD20124 | ND |
2017-01-11 | AD64322 | ND |
2017-01-11 | AD64332 | ND |
2017-01-11 | AD64334 | ND |
2017-01-11 | AD64336 | ND |
2017-01-12 | AD64778 | ND |
2017-01-12 | AD64780 | ND |
2017-01-12 | AD64786 | ND |
2017-01-12 | AD64782 | ND |
2017-01-12 | AD64776 | ND |
2018-01-25 | AE10610 | ND |
2018-01-25 | AE10604 | ND |
2018-01-25 | AE10548 | ND |
2018-01-25 | AE10554 | ND |
2018-01-25 | AE10542 | ND |
2018-01-25 | AE10624 | ND |
2018-01-25 | AE10546 | ND |
2018-01-25 | AE10620 | ND |
2018-01-25 | AE10552 | ND |
2018-01-25 | AE10544 | ND |
2018-01-25 | AE10550 | ND |
2019-05-15 | AE66520 | ND |
2019-05-15 | AE66532 | ND |
2019-05-15 | AE66530 | ND |
2019-05-15 | AE66524 | ND |
2019-05-15 | AE66522 | ND |
2019-05-15 | AE66518 | ND |
2019-05-15 | AE66528 | ND |
2019-05-15 | AE66526 | ND |