o-Dichlorobenzene
Menomonee Falls WW - Groundwater
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 | 4 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-04-22 | 781776 | ND |
2014-06-24 | 4098771001-1 | ND |
2014-08-18 | 812259 | ND |
2014-08-18 | 812263 | ND |
2014-12-08 | 40108193002-1 | ND |
2015-02-26 | 40111068001-1 | ND |
2015-06-09 | 40116376001-1 | ND |
2015-08-19 | 40119851002-1 | ND |
2015-12-09 | 40125923001-1 | ND |
2016-03-08 | 40129217001-1 | ND |
2016-06-02 | 40133220001-1 | ND |
2016-08-18 | 40137000004-1 | ND |
2016-11-30 | 40142817002-1 | ND |
2017-03-14 | 40146774001-1 | ND |
2017-06-08 | 40151360001-1 | ND |
2017-08-24 | 40155697001-1 | ND |
2018-08-08 | 40173776001-1 | ND |
2019-08-13 | 40192942001-1 | ND |