p-Dichlorobenzene
Londonderry Court Mobile Home Park
NOTE: Londonderry Court Mobile Home Park purchases water from Chester Water Authority which is required to test for p-dichlorobenzene. Sample information shown below was taken by Chester Water Authority.
p-Dichlorobenzene is a carcinogenic insecticide used in mothballs, and added to deodorant blocks made for trash cans and toilets. Long-term exposure can cause liver damage and kidney problems.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
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 6 ppb
The EWG Health Guideline of 6 ppb for p-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 cancer.
EPA Maximum Contaminant
Level (MCL) 75 ppb
The legal limit for p-dichlorobenzene, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1980s. This limit may not fully protect against the risk of cancer due to p-dichlorobenzene exposure.
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 p-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 | 12284626 | ND |
| 2015-04-06 | 12630644 | ND |
| 2015-07-08 | 13010228 | ND |
| 2015-10-07 | 13386894 | ND |
| 2016-01-07 | 13750376 | ND |
| 2016-04-07 | 14100338 | ND |
| 2016-07-07 | 14567337 | ND |
| 2016-10-07 | 15073204 | ND |
| 2017-01-10 | 15514886 | ND |
| 2017-04-11 | 15934399 | ND |
| 2017-07-07 | 16410443 | ND |
| 2017-10-11 | 16877390 | ND |
| 2018-01-09 | 2287664001 | ND |
| 2018-05-15 | 8012319-01 | ND |
| 2018-07-12 | 8020049-01 | ND |
| 2019-07-10 | 3044796001 | ND |