p-Dichlorobenzene
Chippewa Falls Waterworks
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 | 5 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 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 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-04 | 772834 | ND |
| 2014-03-04 | 772837 | ND |
| 2014-05-20 | 790678 | ND |
| 2014-08-11 | 809553 | ND |
| 2014-12-02 | 833622 | ND |
| 2015-02-10 | 842764 | ND |
| 2015-02-10 | 842766 | ND |
| 2015-05-20 | 860888 | ND |
| 2015-09-15 | 883126 | ND |
| 2015-11-03 | 892525 | ND |
| 2016-02-10 | 905009 | ND |
| 2016-02-10 | 905011 | ND |
| 2016-06-06 | 924846 | ND |
| 2016-08-09 | 938104 | ND |
| 2016-11-09 | 958363 | ND |
| 2017-01-24 | 971010 | ND |
| 2017-05-02 | 986303 | ND |
| 2017-05-02 | 986306 | ND |
| 2017-07-26 | 1006848 | ND |
| 2017-11-14 | 1029622 | ND |
| 2018-04-30 | 1052422 | ND |
| 2019-03-12 | 1109108 | ND |