o-Dichlorobenzene
Littlerock Creek Irrigation District
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 | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 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 |
---|---|---|
2014-03-04 | 3761-021-0900 | ND |
2014-03-04 | 3761-019-0845 | ND |
2014-03-04 | 3761-011-0830 | ND |
2014-03-04 | 3761-008-0800 | ND |
2015-08-04 | 3761-008-0740 | ND |
2015-08-04 | 3761-011-0750 | ND |
2015-08-04 | 3761-021-0825 | ND |
2015-08-04 | 3761-019-0800 | ND |
2016-08-02 | 3761-008-0818 | ND |
2016-08-02 | 3761-021-0833 | ND |
2016-08-02 | 3761-011-0827 | ND |
2016-08-09 | 3761-019-0900 | ND |
2017-08-15 | 3761-019-0930 | ND |
2017-08-15 | 3761-011-0915 | ND |
2017-08-15 | 3761-021-0945 | ND |
2017-08-15 | 3761-008-0900 | ND |
2018-08-28 | 3761-019-0940 | ND |
2018-08-28 | 3761-011-0920 | ND |
2018-08-28 | 3761-021-0900 | ND |
2018-08-28 | 3761-008-0840 | ND |
2019-08-06 | 3761-011-0900 | ND |
2019-08-06 | 3761-019-0920 | ND |
2019-08-06 | 3761-008-0830 | ND |