o-Dichlorobenzene
Londonderry Court Mobile Home Park
NOTE: Londonderry Court Mobile Home Park purchases water from Chester Water Authority which is required to test for o-dichlorobenzene. Sample information shown below was taken by Chester Water Authority.
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 | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 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
NOTE: Londonderry Court Mobile Home Park purchases water from Chester Water Authority which is required to test for o-dichlorobenzene. Sample information shown below was taken by Chester Water Authority.
Date | Lab ID | Result |
---|---|---|
2014-01-14 | 1402243 | ND |
2014-04-09 | 14042012-001 | ND |
2014-07-09 | 14071080-001 | ND |
2014-09-30 | 1438033 | ND |
2015-01-09 | 12284625 | ND |
2015-04-06 | 12630643 | ND |
2015-07-08 | 13010227 | ND |
2015-10-07 | 13386893 | ND |
2016-01-07 | 13750375 | ND |
2016-04-07 | 14100337 | ND |
2016-07-07 | 14567336 | ND |
2016-10-07 | 15073203 | ND |
2017-01-10 | 15514885 | ND |
2017-04-11 | 15934398 | ND |
2017-07-07 | 16410442 | ND |
2017-10-11 | 16877389 | ND |
2018-01-09 | 2287664001 | ND |
2018-05-15 | 8012319-01 | ND |
2018-07-12 | 8020049-01 | ND |
2019-07-10 | 3044796001 | ND |