o-Dichlorobenzene
Warsaw Water Works
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 | 4 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-03 | 11246-04 | ND |
2014-05-12 | 15752-04 | ND |
2014-09-02 | 21899-04 | ND |
2014-11-10 | 25423-03 | ND |
2014-11-10 | 25424-03 | ND |
2015-02-17 | 11938-04 | ND |
2015-04-20 | 14927-03B | ND |
2015-07-13 | 19663-03 | ND |
2015-11-09 | 26507-04 | ND |
2016-02-22 | 12515-04 | ND |
2016-05-24 | 17566-01C | ND |
2016-08-22 | 23668-02C | ND |
2017-11-07 | L94901102 | ND |
2018-06-18 | L100284601 | ND |